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  Subjects -> WATER RESOURCES (Total: 160 journals)
Showing 1 - 47 of 47 Journals sorted alphabetically
Acque Sotterranee - Italian Journal of Groundwater     Open Access   (Followers: 2)
ACS ES&T Water     Hybrid Journal   (Followers: 7)
Advances in Oceanography and Limnology     Open Access   (Followers: 16)
Advances in Water Resource and Protection     Open Access   (Followers: 9)
Advances in Water Resources     Hybrid Journal   (Followers: 64)
African Journal of Aquatic Science     Hybrid Journal   (Followers: 18)
Agricultural Water Management     Hybrid Journal   (Followers: 54)
Agua y Territorio     Open Access   (Followers: 2)
Águas Subterrâneas     Open Access   (Followers: 1)
American Journal of Water Resources     Open Access   (Followers: 13)
American Water Works Association     Hybrid Journal   (Followers: 25)
Anales de Hidrología Médica     Open Access   (Followers: 1)
Applied Water Science     Open Access   (Followers: 9)
Aquacultural Engineering     Hybrid Journal   (Followers: 7)
Aquaculture     Hybrid Journal   (Followers: 34)
Aquaculture and Fisheries     Open Access   (Followers: 8)
Aquaculture Environment Interactions     Open Access   (Followers: 7)
Aquaculture Research     Hybrid Journal   (Followers: 32)
Aquaculture, Fish and Fisheries     Open Access   (Followers: 17)
Aquasains     Open Access   (Followers: 1)
Aquatic Conservation Marine and Freshwater Ecosystems     Hybrid Journal   (Followers: 43)
Aquatic Geochemistry     Hybrid Journal   (Followers: 4)
Aquatic Living Resources     Open Access   (Followers: 12)
Aquatic Science and Technology     Open Access   (Followers: 4)
Aquatic Sciences     Hybrid Journal   (Followers: 14)
Aquatic Sciences and Engineering     Open Access  
Asian Journal of Rural Development     Open Access   (Followers: 10)
Australian Journal of Water Resources     Hybrid Journal   (Followers: 6)
AWWA Water Science     Hybrid Journal   (Followers: 3)
Canadian Water Resources Journal     Hybrid Journal   (Followers: 18)
Civil and Environmental Research     Open Access   (Followers: 14)
CLEAN - Soil, Air, Water     Hybrid Journal   (Followers: 19)
Computational Water, Energy, and Environmental Engineering     Open Access   (Followers: 6)
Cost Effectiveness and Resource Allocation     Open Access   (Followers: 4)
Desalination     Hybrid Journal   (Followers: 14)
Desalination and Water Treatment     Hybrid Journal   (Followers: 9)
Discover Water     Open Access   (Followers: 7)
Ecological Chemistry and Engineering S     Open Access   (Followers: 4)
Energy Nexus     Open Access   (Followers: 2)
Environmental and Water Sciences, public Health and Territorial Intelligence Journal     Open Access   (Followers: 4)
Environmental Processes : An International Journal     Hybrid Journal  
Environmental Science : Water Research & Technology     Hybrid Journal   (Followers: 10)
Environmental Toxicology     Hybrid Journal   (Followers: 12)
European journal of water quality - Journal européen d'hydrologie     Full-text available via subscription   (Followers: 5)
Exposure and Health     Hybrid Journal   (Followers: 1)
Frontiers in Water     Open Access   (Followers: 1)
GeoHazards     Open Access   (Followers: 2)
Ground Water Monitoring & Remediation     Hybrid Journal   (Followers: 28)
Groundwater for Sustainable Development     Full-text available via subscription   (Followers: 5)
Grundwasser     Hybrid Journal  
Hydro Nepal : Journal of Water, Energy and Environment     Open Access   (Followers: 2)
Hydrobiology     Open Access   (Followers: 39)
Hydrology: Current Research     Open Access   (Followers: 13)
IDA Journal of Desalination and Water Reuse     Hybrid Journal   (Followers: 7)
Ingeniería del agua     Open Access  
Inland Waters     Hybrid Journal  
International Hydrographic Review     Open Access   (Followers: 4)
International Journal of Climatology     Hybrid Journal   (Followers: 29)
International Journal of Energy and Water Resources     Hybrid Journal  
International Journal of Hydrology Science and Technology     Hybrid Journal   (Followers: 7)
International Journal of Nuclear Desalination     Hybrid Journal   (Followers: 1)
International Journal of River Basin Management     Hybrid Journal   (Followers: 1)
International Journal of Waste Resources     Open Access   (Followers: 5)
International Journal of Water     Hybrid Journal   (Followers: 15)
International Journal of Water Governance     Open Access   (Followers: 10)
International Journal of Water Resources and Environmental Engineering     Open Access   (Followers: 12)
International Journal of Water Resources Development     Hybrid Journal   (Followers: 27)
International Soil and Water Conservation Research     Open Access   (Followers: 2)
Irrigation and Drainage     Hybrid Journal   (Followers: 12)
Irrigation Science     Hybrid Journal   (Followers: 4)
Journal of Applied Research in Water and Wastewater     Open Access  
Journal of Applied Water Engineering and Research     Hybrid Journal  
Journal of Aquatic Sciences     Full-text available via subscription   (Followers: 3)
Journal of Coastal and Hydraulic Structures (JCHS)     Open Access   (Followers: 6)
Journal of Contemporary Water Resource & Education     Hybrid Journal   (Followers: 2)
Journal of Delta Urbanism     Open Access   (Followers: 3)
Journal of Ecohydraulics     Hybrid Journal   (Followers: 1)
Journal of Fisheries and Aquatic Science     Open Access   (Followers: 3)
Journal of Geophysical Research : Oceans     Partially Free   (Followers: 64)
Journal of Hydro-environment Research     Full-text available via subscription   (Followers: 13)
Journal of Hydrology (New Zealand)     Full-text available via subscription   (Followers: 7)
Journal of Hydrology and Hydromechanics     Open Access   (Followers: 5)
Journal of Hydrometeorology     Hybrid Journal   (Followers: 9)
Journal of Limnology     Open Access   (Followers: 6)
Journal of Oceanology and Limnology     Hybrid Journal   (Followers: 4)
Journal of South Carolina Water Resources     Open Access  
Journal of the American Water Resources Association     Hybrid Journal   (Followers: 38)
Journal of Water and Climate Change     Open Access   (Followers: 53)
Journal of Water and Environmental Nanotechnology     Open Access   (Followers: 2)
Journal of Water and Wastewater / Ab va Fazilab     Open Access   (Followers: 1)
Journal of Water Chemistry and Technology     Hybrid Journal   (Followers: 9)
Journal of Water Process Engineering     Full-text available via subscription   (Followers: 5)
Journal of Water Resource and Protection     Open Access   (Followers: 7)
Journal of Water Resource Engineering and Management     Full-text available via subscription   (Followers: 6)
Journal of Water Resources Planning and Management     Full-text available via subscription   (Followers: 69)
Jurnal Enggano     Open Access  
Lake and Reservoir Management     Hybrid Journal   (Followers: 7)
Lakes & Reservoirs Research & Management     Hybrid Journal   (Followers: 14)
Marine and Freshwater Behaviour and Physiology     Hybrid Journal   (Followers: 2)
Marine Ecology Progress Series MEPS     Hybrid Journal   (Followers: 39)
Natural and Engineering Sciences     Open Access  
New Zealand Journal of Marine and Freshwater Research     Hybrid Journal   (Followers: 19)
npj Clean Water     Open Access   (Followers: 2)
Open Journal of Modern Hydrology     Open Access   (Followers: 6)
Opflow     Full-text available via subscription   (Followers: 1)
Osterreichische Wasser- und Abfallwirtschaft     Hybrid Journal   (Followers: 1)
Ozone Science & Engineering     Hybrid Journal   (Followers: 2)
Paddy and Water Environment     Hybrid Journal   (Followers: 9)
Research Journal of Environmental Toxicology     Open Access   (Followers: 2)
Reviews in Aquaculture     Hybrid Journal   (Followers: 10)
Revue des sciences de l'eau / Journal of Water Science     Full-text available via subscription   (Followers: 1)
Ribagua : Revista Iberoamericana del Agua     Open Access  
River Research and Applications     Hybrid Journal   (Followers: 18)
Scientia Marina     Open Access   (Followers: 1)
Society & Natural Resources: An International Journal     Hybrid Journal   (Followers: 22)
Sustainable Water Resources Management     Hybrid Journal   (Followers: 4)
Texas Water Journal     Open Access   (Followers: 3)
Urban Water Journal     Hybrid Journal   (Followers: 14)
Water     Open Access   (Followers: 11)
Water and Environment Journal     Hybrid Journal   (Followers: 26)
Water Conservation Science and Engineering     Hybrid Journal  
Water Cycle     Open Access  
Water Environment and Technology     Hybrid Journal   (Followers: 21)
Water Environment Research     Full-text available via subscription   (Followers: 44)
Water International     Hybrid Journal   (Followers: 19)
Water Research     Hybrid Journal   (Followers: 76)
Water Research X     Open Access   (Followers: 4)
Water Resources     Hybrid Journal   (Followers: 21)
Water Resources and Economics     Hybrid Journal   (Followers: 5)
Water Resources and Industry     Open Access   (Followers: 2)
Water Resources Management     Open Access   (Followers: 46)
Water Resources Research     Full-text available via subscription   (Followers: 101)
Water Science : The National Water Research Center Journal     Open Access   (Followers: 8)
Water Science and Engineering     Open Access   (Followers: 14)
Water Security     Hybrid Journal   (Followers: 6)
Water, Air, & Soil Pollution     Open Access   (Followers: 22)
Water-Energy Nexus     Open Access   (Followers: 2)
Water21     Full-text available via subscription   (Followers: 2)
Watershed Ecology and the Environment     Open Access  
Western Indian Ocean Journal of Marine Science     Open Access   (Followers: 1)
Wetlands Ecology and Management     Hybrid Journal   (Followers: 21)
Wiley Interdisciplinary Reviews : Water     Hybrid Journal   (Followers: 2)
WMU Journal of Maritime Affairs     Hybrid Journal   (Followers: 3)
World Water Policy     Hybrid Journal  
علوم آب و خاک     Open Access  

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Journal Cover
Journal of Water Chemistry and Technology
Number of Followers: 9  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1934-936X - ISSN (Online) 1063-455X
Published by Springer-Verlag Homepage  [2468 journals]
  • Erratum to: Environmentally Friendly Synthesis of Magnetic CuFe2O4 Powder
           as Photo-Fenton Catalysts by Sol-Gel Method Using Tamarind Fruit Extract

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      Abstract: An Erratum to this paper has been published: https://doi.org/10.3103/S1063455X24030123
      PubDate: 2024-06-01
       
  • Application of Chemically Modified Coal Mine Waste for the Sustainable
           Management of Fluoride in Drinking Water

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      Abstract: Waste rocks obtained from mining operations are typically stockpiled due to the lack of their economic value. This practice resulted in significant land occupation and potential for secondary pollution risks due to the lack of probability of leaching. The present study explores the possible utilization of waste rocks as a novel adsorbent for treating F− enriched groundwater. Shale, a coal mine waste was chemically modified by ferrous chloride in a 3 : 1 ratio. Optimization of the adsorption process was done by performing batch adsorption. Surface morphological characterization of the adsorbent was performed by scanning electron microscopy (SEM), energy-dispersive X-ray (EDS), X-ray diffraction (XRD) and Fourier transform infrared spectrophotometer (FTIR). The best results were obtained when 100 mg/L was used to defluoridate contaminated water for 60 min at neutral pH. The efficiency of management was 32% removal at 10 ppm fluoride contamination. Post-treatment adsorbent can be utilized in brick formation to rule out any possibility of secondary/tertiary contamination.
      PubDate: 2024-06-01
       
  • Adsorption of Copper on Modified Galvanic Sludge

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      Abstract: The possibility of extracting Cu compounds through adsorption using galvanic sludge modified with solutions of humic acids was investigated. The chemical and structural composition of rigid galvanic sludge from printed circuit board production was examined. The primary phase-forming element is Fe compounds in the form of β-FeOOH, constituting up to 45% of the sludge mass. X-ray phase analysis of the sludge revealed the presence of two main phases: akaganeite (β-FeOOH) and an atacamite-like crystalline phase of copper hydroxychloride (Cu(OH)3Cl) in quantities exceeding 10%. The conditions for leaching Cu compounds from the sludge and the effect of thermal treatment on the sludge adsorption capacity were determined. Copper was leached from galvanic sludge using an H2SO4 solution within the pH range of the equilibrium solution of 3–5.5. This allowed for the leaching of up to 97% of copper, with minimal dissolution of Fe compounds. The Cu concentration in the leaching solution reached 10–15 g/dm3, while the concentration of Fe ions did not exceed 1 mg/dm3, enabling the subsequent utilization of these solutions for Cu electroextraction. The modification of the sludge with humic acid solutions increases its adsorption capacity for copper ions by more than threefold.
      PubDate: 2024-06-01
       
  • Textile Wastewater Treatment through AOPs with Special Focus on Fixed-Bed
           Approach: A Review

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      Abstract: Аbstract With the rapid growth of industrialization/urbanization, the discharge of industrial effluent into the environment is increasing day by day. Conventional technologies for wastewater treatment possess difficulties in meeting all the requirements of wastewater discharge standards, and therefore, the exploration and establishment of new procedures to treat wastewater is a need of hour. Advanced oxidation processes (AOPs) possess an ability of strong oxidation, complete destruction and mineralisation, and no secondary pollutants. It has been proved in the literature that the addition of the catalyst in AOPs can largely enhance the treatment efficiency. The current study mainly emphasizes the practical applications of AOPS towards textile wastewater treatment. The study includes the pros and cons of individual AOPs, fixed photocatalysis, the dual process of photocatalysis and photo-Fenton coupled photocatalysis/photo-Fenton and biological treatment process. This article summarizes the useful theoretical foundation of the scientists and discusses the key areas that need more investigation in the fields of AOPs for industrial wastewater treatment.
      PubDate: 2024-06-01
       
  • DFT-Based Study of the Removal Mechanism of Pollutant Metronidazole from
           Water Using a Polypyrrole Adsorbent

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      Abstract: Quantum chemical analysis using the density functional theory (DFT) was used to characterize the adsorption mechanism of metronidazole on the surface of polypyrrole (PPy). Researchers have established the electrophilic character of metronidazole and the nucleophilicity of PPy, as well as the electrophilic and nucleophilic zones responsible for non-covalent interaction in the processes of physical sorption of metronidazole on PPy as part of the decontamination of water using a drug. The adsorption mechanism of metronidazole on PPy is mainly governed by physical interactions (water bonds) between the adsorbate and adsorbent, and also the energy and structure results indicate that physically the process is sorption. These structural and energetic procedures match well with experimental results. The changes in thermochemical enthalpy and entropy showed the non-negotiable and exothermic phenomenon of physical adsorption. Thus, PPy can be considered an environmentally friendly and effective adsorbent material for the removal of metronidazole and, possibly, other pharmaceutical pollutants from pharmaceutical and municipal wastewater.
      PubDate: 2024-06-01
       
  • Study on Modified Loaded Chitosan Adsorbent Based on Mercapto-alkenyl
           Click Reaction and Adsorption of Pb(II)

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      Abstract: Industrialization has caused serious heavy metal pollution in water resources, which is harmful to human health. It is of great significance to use heavy metal removal technology to ensure water safety. In this study, a new kaolin/chitosan composite (TGL-CS) was prepared for the adsorption of lead-containing wastewater based on the mercapto-alkenyl base reaction strategy. The effects of pH, adsorbent dosage and ionic strength on the adsorption performance of TGL-CS were investigated. The adsorption process of Pb(II) on TGL-CS is consistent with the Langmuir isotherm and pseudo-second-order kinetic model. The maximum adsorption capacity of TGL-CS for Pb(II) was 87.72 mg/g. The adsorption mechanism of TGL-CS is mainly the coordination between Pb(II) and hydroxyl, amino and sulfur-containing groups. In particular, the click chemical reaction does not consume the amino group in chitosan but also introduces the sulfur-containing group to improve the adsorption capacity of heavy metals. In addition, the ionic strength in the environment system has little effect on the adsorption of Pb(II) by TGL-CS, and the reusability of TGL-CS is high. In summary, TGL-CS has the advantages of low cost, simple preparation, and broad application prospects in the treatment of heavy metal-polluted water bodies.
      PubDate: 2024-06-01
       
  • Tracing Arsenic Contamination in Groundwater Resources in Afghanistan

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      Abstract: Despite being a water-rich state in South Asia, more than 70% of Afghan communities currently lack access to safe and reliable drinking water. This deficiency is largely attributed to the presence of contaminants, e.g., arsenic, fluoride, nitrates, sulfate, boron, etc., in groundwater aquifers. This study aims to trace the concentration of arsenic in groundwater aquifers in major cities in Afghanistan. The findings suggest that among the tested water samples in Ghazni, Kabul and Logar—the last two provinces are characterized parts of Kabul River Basin—Herat and Bamyan provinces, 70, 7, 2, and 23% of the examined water samples, respectively, exceed the permissible arsenic limit set by the World Health Organization (10 μg/L) and the National Drinking Water Quality Standard of Afghanistan (NDWQSA) (50 μg/L). The elevated concentration of arsenic in these aquifers results from excessive agricultural pumping and industrial and urban waste discharge. Additionally, inadequate sanitation and hygiene practices coupled with the absence of waste disposal network systems contribute significantly to the heightened level of arsenic in these provinces. It is concluded that unless the government adopts sustainable strategies to reduce the elevated arsenic concentration in groundwater aquifers, environmental and human health crises will continue to escalate.
      PubDate: 2024-06-01
       
  • Study of Oxidative Degradation and Mineralization Kinetics and Oxidation
           Products of Ofloxacin in Water via Electro-Fenton Method with Pt Anode,
           and Biodegradation Optimization

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      Abstract: The oxidative degradation of an antibiotic, Ofloxacin (OFX), has been investigated using the electro-Fenton (EF) process with a constant current between 100 and 500 mA and a carbon-felt cathode. The kinetics of oxidative degradation and the efficiency of mineralization were examined about the applied current and catalyst (Fe2+) concentration. The absolute rate constant for the oxidation of OFX by hydroxyl radical was determined using the competition kinetic approach as 3.04 ± 0.19 × 109 M–1s–1. For efficient degradation of OFX at the relevant operating conditions, the ideal current value is 400 mA at a concentration of the catalyst (Fe2+) at 0.10 mM. After 6 h of electrolysis, in the present study, it is demonstrated that several cathodes, including carbon felt (CF), carbon-graphite (CG) and stainless steel (SS), had an impact on the electrochemical oxidation of the organic contaminant, OFX. A high level of mineralization (>97%) was attained. The development of F−, \({\text{NH}}_{{\text{4}}}^{{\text{ + }}}\) and \({\text{NO}}_{{\text{3}}}^{ - }\) ions was also monitored and their evolution during their release into the medium was discussed. Several intermediate products were identified using LC-MS/MS (liquid chromatography-mass spectrometry) and HPLC (High-performance liquid chromatography) analyses. Based on the identity of these products, a feasible route for the mineralization process is proposed. Finally, biodegradability was studied and the results indicated the following ratio of biological oxygen demand within 5 days to chemical oxygen demand BOD5/COD through OFX mineralization by EF treatment for the possibility of evaluating the combination of electro-Fenton and biological treatment.
      PubDate: 2024-06-01
       
  • Assessment of Physico-Chemical Parameters in Household Wastewater after
           the Cultivation of Cyanobacteria (Spirulina platensis)

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      Abstract: Spirulina is extensively studied among cyanobacteria. It has been used as a source of protein since ancient times. The present investigation addressed the cultivation of Spirulina in kitchen wastewater with the aim of water remediation. Water quality parameters were evaluated by analysing physicochemical parameters both before and after the growth of Spirulina. The microscopic inspection revealed the presence of Spirulina exhibiting spiral and helical shapes. Water quality parameters, including total suspended solids, total dissolved solids, chlorides, sulfates, phosphate, total hardness, and total alkalinity, were found to be high in the wastewater before the cultivation of Spirulina. In addition, it had very acidic conditions with a pH range of 4.5 to 6.0. The cultivation of Spirulina resulted in favourable changes in various chemical parameters. Specifically, the total suspended solids, total dissolved solids, chlorides, sulfates, phosphate, total hardness, and total alkalinity decreased while the sodium level increased. Further, it increased the pH level to the neutral range. According to the findings of this study, it can be inferred that cultivating Spirulina in wastewater positively altered the physicochemical characteristics of the wastewater and resulted in an increased yield of Spirulina.
      PubDate: 2024-06-01
       
  • The Implication of Total Petroleum Hydrocarbons in Oil Produced Water
           Discharged in Municipal Channels

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      Abstract: This paper discusses the results and observations of experiments that were performed to investigate the presence and implication of total petroleum hydrocarbons (TPH) in oil produced water (OPW) samples from an oil depot. An analytical method based on gas chromatography coupled to time-of-flight mass spectrometry (GC-TOF-MS) was developed for the determination of TPH. The effect of the extracting organic solvent was studied, and n-hexane was found to be the best extraction solvent as it resulted in 96.28% extraction efficiency. The TPH were determined in both influent and effluent samples. Various TPH fractions were identified including n-alkanes, branched alkanes, alkenes, etc. The TPH determination was investigated on a seasonal basis and the winter period (June-August) registered many compounds especially from the influent compartments than they were found in autumn. This suggests that the physical treatment employed by the oil depot does remove the TPH to a certain degree which is above the limit thresholds set by the regulatory authorities which is not satisfactory and thus the effluents need to be subjected to secondary treatment. The TPH analysis and identification results presented are mainly qualitative except for 1-chloro-octadecane, the surrogate standard. The TPH compounds were identified based on similarity indices to the databases.
      PubDate: 2024-06-01
       
  • Mathematical Modelling and Response Surface Methodology Approach of
           Electrocoagulation Hybrid Activated Sludge Process for an Efficient
           Removal of Selenium from Mining Wastewater

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      Abstract: Selenium (Se) is an important nutritional element which exists at very low concentrations, easily accumulates via the food chain and creates adverse effects such as a deprived reproduction rate and diminutive growth in human and aquatic organisms. So, it has become a severe concern around the world. We explore electrocoagulation using Al and Fe electrodes and activated sludge process (ASP) in batch process and also in an integrated process to remove Se. The optimized parameters of the current density in the batch process were: 6.7 and 5.7 mA/cm2 for Al and Fe, respectively. The mass transfer coefficient has been estimated through numerical modelling for batch and integrated processes using the equations K = \({\text{0}}{\text{.0146}}C_{{{\text{Se}}}}^{{{\text{0}}{\text{.3651}}}}{{I}^{{{\text{0}}{\text{.8916}}}}}\) and K = \({\text{295}}{\text{.387}}C_{{{\text{Se}}}}^{{{\text{6}}{\text{.607}}}}{{I}^{{{\text{3}}{\text{.587}}}}}\) ; the energy consumption and metal dissolution were 138240 and 384 MWh/m3, 60 and 3.58 g, respectively. The response surface methodology (RSM) was implemented in Box−Benken design to assess the parametric optimization, and the validation of experimental data was done using ANOVA and regression analysis. The obtained p-values and model F-values were 0.000 and 63.09 for Al and 0.000 and 79.98 for Fe, which indicated the significance of the model. The chemical oxygen demand (COD) reduction values estimated along with Se reduction in real effluent treatment were above 90 and 60% in electrolytic and 80% in an integrated ASP with very high-cost efficiency. The results assure that this proposed hybrid work will provide a higher reduction, improved energy and cost efficiency for the effluent with indeterminate influent Se and COD concentration. The proposed model also helps to make predictions of removal efficiency without requiring an extensive time and cost burden.
      PubDate: 2024-06-01
       
  • Environmental Toxicity of Sodium Dodecylbenzenesulphonate in Aquatic
           Systems by Biotesting Results

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      Abstract: The discharge of synthetic surfactants into the environment poses a serious threat to natural water bodies, as even at relatively low concentrations, they harm the biological processes of aquatic organisms. The molecules of dissolved detergents, by wedging themselves between water molecules, weaken the surface film. The hydrophilic part promotes the dissolution of the substance in water, while the hydrophobic part repels it. As a result, the entire water surface is covered with a peculiar film, which leads to the accumulation of toxic substances and a decrease in the oxygen concentration in the aquatic environment. To study the impact of surfactants on living organisms, we assess the ecological impact of synthetic surfactants on the biota of natural water bodies. We performed toxicological bioassays of aqueous solutions with low concentrations of sodium dodecylbenzenesulfonate on the crustacean Daphnia magna, which serves as a standard test organism both in Ukraine and abroad. The concentration of sodium dodecylbenzenesulfonate that caused the mortality of 50% of test organisms (LC50) was determined, and the degree of toxicity of sodium dodecylbenzenesulfonate to aquatic ecosystems was found according to the EU Directive 93/67/EEC.
      PubDate: 2024-04-01
      DOI: 10.3103/S1063455X24020061
       
  • Treatment in Continuous Flow Filters Operating in “Hungry”
           Regeneration Regime for Heating Networks

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      Abstract: The article discusses a new efficient technology for the preparation of additional water in heating networks. According to the technology, additional water is prepared through the process of cationization using polyfunctional sulfonated coal cationites regenerated with a stoichiometric amount of salt. The research was carried out according to a continuous flow scheme. To obtain accurate results, a laboratory setup was prepared by approximating the height of the cationite and the average diameter of its particles to the required values relative to the diameter of the filter (d : D < 1 : 20) by adjusting the operating regime of the filter closer to industrial conditions. The regeneration regime of the cationite is selected in such a way that the amount of salt in the filtrate during water treatment does not exceed 3–6% of the amount of salt absorbed by the cationite. The main goal of the newly developed technological regime is to reduce the specific consumption of salt during regeneration, increase the exchange capacity of the cationite, and improve both the economic and ecological indicators of the process. As a result of the research, it can be concluded that the exchange capacity of the cationite varies within the interval of 7–20% under the influence of selected factors, and when the specific consumption of salt is increased from 8 to 16 kg/m3, the exchange capacity of the cationite approximately doubles. It should be noted that when the carbonate index in the treated water increases due to the presence of carbonate and hydrogen ions, the degree of water softening increases. However, the rapid rise of the carbonation value in the filtrate increases the average value of the carbonate index and leads to fouling of the filter, which results in a lower exchange capacity of the cationite compared to the mentioned values. It should be emphasized that depending on the values of alkalinity and specific consumption of the regenerant during the process, the filtrate volume of the treated water exiting the filter becomes 2–12% of the total volume and is characterized by saltiness. The salinity in the filtrate is neutralized by the buffer filter.
      PubDate: 2024-04-01
      DOI: 10.3103/S1063455X24020073
       
  • High-Performance Magnetic Fe3O4/SiO2-NH2 Nanocomposites: Synthesis and
           Application for the Removal of Zn2+ Ions from Water

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      Abstract: In this study, magnetic Fe3O4@SiO2-NH2 (FSN) nanocomposite adsorbent was synthesized using a green and convenient method. The FSN adsorbent was characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), Fourier-transform infrared (FTIR) spectroscopy, and vibrating-sample magnetometry (VSM). The FSN nanocomposites exhibit excellent Zn2+ adsorption capacity. In addition, adsorption kinetics, isotherms, and adsorption mechanism of Zn2+ on the FSN nanocomposites were also studied. The FSN nanocomposites show rapid adsorption rate, easy separation process, and environmental friendliness, which are suitable for water and wastewater purification.
      PubDate: 2024-04-01
      DOI: 10.3103/S1063455X24020139
       
  • Preparation of Carboxymethyl Cellulose/Polyvinyl Alcohol Cryogels for the
           Removal of Methylene Blue Dye from Aqueous Media

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      Abstract: In this study ciprofloxacin-loaded carboxymethyl cellulose (CMC)/ polyvinyl alcohol (PVA) cryogel systems were prepared by using low molecular weight PVA. The high degree of segmental mobility of PVA molecules makes them more prone to form CMC/PVA cryogels via hydrogen bondings with CMC. Physically crosslinked gels were characterised by using Fourier-transform infrared spectroscopy (FTIR). Swelling results have shown that low molecular weight PVA had a fast-swelling rate and this can explain the fast release of ciprofloxacin within 30 min from CMC/PVA cryogels during release studies. Release of ciprofloxacin from the CMC/PVA cryogel system was the best fit to first-order release model with R2 = 0.9980. It was found that the release exponent is lower than 0.45 and it is a good indication of quasi-Fickian diffusion, which means that ciprofloxacin can be released without swelling of the cryogel. Ciprofloxacin was found to have even better antimicrobial activity against E. coli than positive control as having a higher inhibition zone. In addition, CMC/PVA cryogels can be used for water treatment application to remove Methylene Blue (MB) dye from water and this was supported by adsorption kinetics and isotherm studies.
      PubDate: 2024-04-01
      DOI: 10.3103/S1063455X24020024
       
  • Combined Technology of Water Softening, Desalination, and Deionization

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      Abstract: A low-waste combined technology for water softening, desalination, and deionization is proposed. The low-waste nature of the method is achieved through H-cationization of water using carboxylic polyacrylic ion exchange resin, followed by its deionization via reverse osmosis. If the requirements for desalinated water are high, such as when purified liquid is used for feeding supercritical pressure once-through boilers (SPB), it is additionally treated using ion exchange. The preconcentrate from reverse osmosis is processed through electrodialysis or electrolysis to yield acidic and alkaline solutions. These solutions are then used in conjunction with spent regeneration solutions from deep deionization ion exchange filters to regenerate the filter containing carboxylic polyacrylic ion exchange resin. The paper outlines the advantages of carboxylic cation exchange resins compared to sulfonated cation exchangers. A two-chamber H+,Na+-cation exchange filter operation circuit is proposed. Recirculation of the acidic portion of the spent regeneration solution from the BC storage reservoir through the H+Na+-cation exchange filter is planned to maximize the recovery of the cation exchange resin’s working capacity. The specifics of regenerating carboxylic cation exchange resin with acid solution in a fluidized bed mode are presented. The acidic solution storage tank should be constructed as a reservoir with a conical bottom and a cylindrical upper part. Such tank design enables its use as a gypsum particle crystallizer and settler. This circuit of separate water H+,Na+-cationization with a decarbonizer significantly expands technological capabilities. Intermediate water decarbonization decreases the alkalinity of the Na+-cation exchange filter effluent, thereby hindering the hydrolysis of the salt form of the cation exchanger. Water obtained through magnesium ionization is advisable to be directed into the softened water stream. To prevent an increase in liquid pressure drop across the filter and a sharp decrease in filtration rate, it is proposed to pass the alkaline regeneration solution from bottom to top.
      PubDate: 2024-04-01
      DOI: 10.3103/S1063455X24020103
       
  • Removal of Simazine from Aqueous Environment through Polymeric Membrane
           System

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      Abstract: In this study, the kinetic transport of the simazine herbicide, which creates a serious threat to human health, was realized based on the diffusion via polymer inclusion membrane. In the polymer inclusion membrane synthesis, Aliquat 336 was used as a synthetic carrier and 2-nitrophenyl octyl ether was used as a plasticizer. The effect of the carrier concentration, the effect of the donor phase acid on the transport efficiency and the effect of the acceptor phase type change on the parameters of transport efficiency were studied. 62.56% of simazine was removed from donor phase at the end of 48 h in the optimum experimental conditions and permeability; flux values were calculated to be 3.056 × 10–7 m/s and 1.515 × 10–7 mol/m2s, respectively. As the last step, the surface characterizations of the polymer inclusion membranes were clarified using the method of field emission scanning electron microscopy. This study demonstrated economically and environmentally sustainable processes for the removal of micropollutants such as simazine.
      PubDate: 2024-04-01
      DOI: 10.3103/S1063455X24020036
       
  • Treatment of Leather Industry Wastewater Using Coagulation,
           Ultraviolet/Persulfate Processing and Nanofiltration for Water Recovery

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      Abstract: This study investigated water recovery with the treatment of leather industry processes wastewater (washing, pickling, and degreasing units) using coagulation, ultraviolet/persulfate (UV/PS) treatment, and nanofiltration processes. Coagulation studies were carried out using alum as the coagulant, and the highest chemical oxygen demand (COD) removal efficiency was obtained at pH 7 for all the wastewater. The highest COD and total organic carbon (TOC) removal were 80.9 and 50.5% in the wastewater washing unit ( \({{{\text{S}}}_{{\text{2}}}}{\text{O}}_{8}^{{2 - }}\) : 8 g/L, pH 7) and 76.5 and 96.1% in the wastewater degreasing unit ( \({{{\text{S}}}_{{\text{2}}}}{\text{O}}_{8}^{{2 - }}\) : 16 g/L, pH 6) using UV/PS oxidation, respectively. High COD and TOC removal could not be achieved with UV/PS oxidation in the wastewater pickling unit. In the studies performed with NP030 nanofiltration membrane after UV/PS oxidation, the highest permeability and COD removal was achieved at pH 7 under 4 × 105 Pa pressure in wastewater washing and degreasing units. After 75 min of nanofiltration at pH 7 in washing and degreasing units, the total filtrate amount was 39.8 and 42.3 L/m2 h, respectively. COD concentration in the wastewater washing unit decreased from 4434 to 138 mg/L, while it decreased from 5833 to 212 mg/L in the wastewater degreasing unit with coagulation, UV/PS processing, and nanofiltration. As a result, the treatment of leather industry wastewater through separate streams with coagulation, UV/PS, and nanofiltration, washing, and degreasing unit wastewater provides very high COD removal. Also, it has been shown impossible to treat the pickling unit wastewater by UV/PS oxidation.
      PubDate: 2024-04-01
      DOI: 10.3103/S1063455X2402005X
       
  • Peculiarities of the Diffusion Transfer of Hydrophobic Organic Pollutants
           in Natural Disperse Systems

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      Abstract: The release of various pollutants into the environment necessitates monitoring their spreading in soils, developing strategies to prevent their transfer into water bodies, as well as identifying and conducting priority detoxification of those local contaminants that, due to their chemical and physical properties and the structure of polluted soils, pose the greatest risks. This article develops a theoretical theoretical basis and methodology for studying the diffusion transport of toxicants. Using a model dispersion of kaolin contaminated with o-chlorotoluene, the study investigates the diffusion rates of hydrophobic organic compounds in natural concentrated disperse systems. The experiments were conducted at various temperatures of the dispersion medium, both in the absence and presence of surfactant Triton X-100. A comparison was made between the temporal concentration distribution profiles of o-chlorotoluene in areas adjacent to the localized pollution zone and the results of theoretical calculations based on the Fick equation. Diffusion coefficients of the contaminant in the concentrated disperse system were calculated under the considered conditions of its spread. The obtained diffusion coefficients of o-chlorotoluene in the kaolin dispersion are significantly lower than the diffusion coefficients of organic hydrophobic compounds in aqueous media. This is attributed to the fine porosity of the model system used, the tortuosity of pores, and the interaction of o-chlorotoluene molecules with the dispersion surface. The structural factor and the presence of contact surface also contribute to a more pronounced reduction in the diffusion coefficient with decreasing temperature than would be expected due to the decrease in the energy of particle thermal motion and the increase in viscosity of the pore solution. The decrease in diffusion rate due to the formation of micellar aggregates of o-chlorotoluene with Triton X-100, caused by their larger sizes compared to individual molecules, is compensated by hydrophilization and the conversion of pollutants into a mobile state.
      PubDate: 2024-04-01
      DOI: 10.3103/S1063455X24020115
       
  • Impact and Environmental Risk Assessment of Hazardous Metal Pollution in
           the Sediment at Shipbreaking Yard Chattogram

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      Abstract: The shipbreaking area of Chattogram is one of the ecologically important regions in Bangladesh. To assess the possible ecological harm, sediment samples were collected and analyzed using the atomic absorption spectroscopy following standard methods from different locations of the shipbreaking yard at Chattogram. A decreasing trend in the amount of trace elements is present in sediment (average values): Pb (52.55 mg/kg) > Cr(VI) (45.97 mg/kg) > As (6.99 mg/kg) > Cd (0.218 mg/kg). The levels of harmful metals were higher than what was considered acceptable. According to the measured mean geo-accumulation index (Igeo), the research region was moderate to somewhat polluted, with the exception of Cd. The sediment samples were moderately to highly contaminated by Pb, Cr(VI), and As, according to the contamination factor (CF). Again, the pollution load indices (PLI) ranged from 1.91 to 3.10 (PLI > 1), indicating that the shipbreaking sites were moderately polluted with heavy metals and pose a risk to the ecosystem.
      PubDate: 2024-04-01
      DOI: 10.3103/S1063455X24020085
       
 
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  Subjects -> WATER RESOURCES (Total: 160 journals)
Showing 1 - 47 of 47 Journals sorted alphabetically
Acque Sotterranee - Italian Journal of Groundwater     Open Access   (Followers: 2)
ACS ES&T Water     Hybrid Journal   (Followers: 7)
Advances in Oceanography and Limnology     Open Access   (Followers: 16)
Advances in Water Resource and Protection     Open Access   (Followers: 9)
Advances in Water Resources     Hybrid Journal   (Followers: 64)
African Journal of Aquatic Science     Hybrid Journal   (Followers: 18)
Agricultural Water Management     Hybrid Journal   (Followers: 54)
Agua y Territorio     Open Access   (Followers: 2)
Águas Subterrâneas     Open Access   (Followers: 1)
American Journal of Water Resources     Open Access   (Followers: 13)
American Water Works Association     Hybrid Journal   (Followers: 25)
Anales de Hidrología Médica     Open Access   (Followers: 1)
Applied Water Science     Open Access   (Followers: 9)
Aquacultural Engineering     Hybrid Journal   (Followers: 7)
Aquaculture     Hybrid Journal   (Followers: 34)
Aquaculture and Fisheries     Open Access   (Followers: 8)
Aquaculture Environment Interactions     Open Access   (Followers: 7)
Aquaculture Research     Hybrid Journal   (Followers: 32)
Aquaculture, Fish and Fisheries     Open Access   (Followers: 17)
Aquasains     Open Access   (Followers: 1)
Aquatic Conservation Marine and Freshwater Ecosystems     Hybrid Journal   (Followers: 43)
Aquatic Geochemistry     Hybrid Journal   (Followers: 4)
Aquatic Living Resources     Open Access   (Followers: 12)
Aquatic Science and Technology     Open Access   (Followers: 4)
Aquatic Sciences     Hybrid Journal   (Followers: 14)
Aquatic Sciences and Engineering     Open Access  
Asian Journal of Rural Development     Open Access   (Followers: 10)
Australian Journal of Water Resources     Hybrid Journal   (Followers: 6)
AWWA Water Science     Hybrid Journal   (Followers: 3)
Canadian Water Resources Journal     Hybrid Journal   (Followers: 18)
Civil and Environmental Research     Open Access   (Followers: 14)
CLEAN - Soil, Air, Water     Hybrid Journal   (Followers: 19)
Computational Water, Energy, and Environmental Engineering     Open Access   (Followers: 6)
Cost Effectiveness and Resource Allocation     Open Access   (Followers: 4)
Desalination     Hybrid Journal   (Followers: 14)
Desalination and Water Treatment     Hybrid Journal   (Followers: 9)
Discover Water     Open Access   (Followers: 7)
Ecological Chemistry and Engineering S     Open Access   (Followers: 4)
Energy Nexus     Open Access   (Followers: 2)
Environmental and Water Sciences, public Health and Territorial Intelligence Journal     Open Access   (Followers: 4)
Environmental Processes : An International Journal     Hybrid Journal  
Environmental Science : Water Research & Technology     Hybrid Journal   (Followers: 10)
Environmental Toxicology     Hybrid Journal   (Followers: 12)
European journal of water quality - Journal européen d'hydrologie     Full-text available via subscription   (Followers: 5)
Exposure and Health     Hybrid Journal   (Followers: 1)
Frontiers in Water     Open Access   (Followers: 1)
GeoHazards     Open Access   (Followers: 2)
Ground Water Monitoring & Remediation     Hybrid Journal   (Followers: 28)
Groundwater for Sustainable Development     Full-text available via subscription   (Followers: 5)
Grundwasser     Hybrid Journal  
Hydro Nepal : Journal of Water, Energy and Environment     Open Access   (Followers: 2)
Hydrobiology     Open Access   (Followers: 39)
Hydrology: Current Research     Open Access   (Followers: 13)
IDA Journal of Desalination and Water Reuse     Hybrid Journal   (Followers: 7)
Ingeniería del agua     Open Access  
Inland Waters     Hybrid Journal  
International Hydrographic Review     Open Access   (Followers: 4)
International Journal of Climatology     Hybrid Journal   (Followers: 29)
International Journal of Energy and Water Resources     Hybrid Journal  
International Journal of Hydrology Science and Technology     Hybrid Journal   (Followers: 7)
International Journal of Nuclear Desalination     Hybrid Journal   (Followers: 1)
International Journal of River Basin Management     Hybrid Journal   (Followers: 1)
International Journal of Waste Resources     Open Access   (Followers: 5)
International Journal of Water     Hybrid Journal   (Followers: 15)
International Journal of Water Governance     Open Access   (Followers: 10)
International Journal of Water Resources and Environmental Engineering     Open Access   (Followers: 12)
International Journal of Water Resources Development     Hybrid Journal   (Followers: 27)
International Soil and Water Conservation Research     Open Access   (Followers: 2)
Irrigation and Drainage     Hybrid Journal   (Followers: 12)
Irrigation Science     Hybrid Journal   (Followers: 4)
Journal of Applied Research in Water and Wastewater     Open Access  
Journal of Applied Water Engineering and Research     Hybrid Journal  
Journal of Aquatic Sciences     Full-text available via subscription   (Followers: 3)
Journal of Coastal and Hydraulic Structures (JCHS)     Open Access   (Followers: 6)
Journal of Contemporary Water Resource & Education     Hybrid Journal   (Followers: 2)
Journal of Delta Urbanism     Open Access   (Followers: 3)
Journal of Ecohydraulics     Hybrid Journal   (Followers: 1)
Journal of Fisheries and Aquatic Science     Open Access   (Followers: 3)
Journal of Geophysical Research : Oceans     Partially Free   (Followers: 64)
Journal of Hydro-environment Research     Full-text available via subscription   (Followers: 13)
Journal of Hydrology (New Zealand)     Full-text available via subscription   (Followers: 7)
Journal of Hydrology and Hydromechanics     Open Access   (Followers: 5)
Journal of Hydrometeorology     Hybrid Journal   (Followers: 9)
Journal of Limnology     Open Access   (Followers: 6)
Journal of Oceanology and Limnology     Hybrid Journal   (Followers: 4)
Journal of South Carolina Water Resources     Open Access  
Journal of the American Water Resources Association     Hybrid Journal   (Followers: 38)
Journal of Water and Climate Change     Open Access   (Followers: 53)
Journal of Water and Environmental Nanotechnology     Open Access   (Followers: 2)
Journal of Water and Wastewater / Ab va Fazilab     Open Access   (Followers: 1)
Journal of Water Chemistry and Technology     Hybrid Journal   (Followers: 9)
Journal of Water Process Engineering     Full-text available via subscription   (Followers: 5)
Journal of Water Resource and Protection     Open Access   (Followers: 7)
Journal of Water Resource Engineering and Management     Full-text available via subscription   (Followers: 6)
Journal of Water Resources Planning and Management     Full-text available via subscription   (Followers: 69)
Jurnal Enggano     Open Access  
Lake and Reservoir Management     Hybrid Journal   (Followers: 7)
Lakes & Reservoirs Research & Management     Hybrid Journal   (Followers: 14)
Marine and Freshwater Behaviour and Physiology     Hybrid Journal   (Followers: 2)
Marine Ecology Progress Series MEPS     Hybrid Journal   (Followers: 39)
Natural and Engineering Sciences     Open Access  
New Zealand Journal of Marine and Freshwater Research     Hybrid Journal   (Followers: 19)
npj Clean Water     Open Access   (Followers: 2)
Open Journal of Modern Hydrology     Open Access   (Followers: 6)
Opflow     Full-text available via subscription   (Followers: 1)
Osterreichische Wasser- und Abfallwirtschaft     Hybrid Journal   (Followers: 1)
Ozone Science & Engineering     Hybrid Journal   (Followers: 2)
Paddy and Water Environment     Hybrid Journal   (Followers: 9)
Research Journal of Environmental Toxicology     Open Access   (Followers: 2)
Reviews in Aquaculture     Hybrid Journal   (Followers: 10)
Revue des sciences de l'eau / Journal of Water Science     Full-text available via subscription   (Followers: 1)
Ribagua : Revista Iberoamericana del Agua     Open Access  
River Research and Applications     Hybrid Journal   (Followers: 18)
Scientia Marina     Open Access   (Followers: 1)
Society & Natural Resources: An International Journal     Hybrid Journal   (Followers: 22)
Sustainable Water Resources Management     Hybrid Journal   (Followers: 4)
Texas Water Journal     Open Access   (Followers: 3)
Urban Water Journal     Hybrid Journal   (Followers: 14)
Water     Open Access   (Followers: 11)
Water and Environment Journal     Hybrid Journal   (Followers: 26)
Water Conservation Science and Engineering     Hybrid Journal  
Water Cycle     Open Access  
Water Environment and Technology     Hybrid Journal   (Followers: 21)
Water Environment Research     Full-text available via subscription   (Followers: 44)
Water International     Hybrid Journal   (Followers: 19)
Water Research     Hybrid Journal   (Followers: 76)
Water Research X     Open Access   (Followers: 4)
Water Resources     Hybrid Journal   (Followers: 21)
Water Resources and Economics     Hybrid Journal   (Followers: 5)
Water Resources and Industry     Open Access   (Followers: 2)
Water Resources Management     Open Access   (Followers: 46)
Water Resources Research     Full-text available via subscription   (Followers: 101)
Water Science : The National Water Research Center Journal     Open Access   (Followers: 8)
Water Science and Engineering     Open Access   (Followers: 14)
Water Security     Hybrid Journal   (Followers: 6)
Water, Air, & Soil Pollution     Open Access   (Followers: 22)
Water-Energy Nexus     Open Access   (Followers: 2)
Water21     Full-text available via subscription   (Followers: 2)
Watershed Ecology and the Environment     Open Access  
Western Indian Ocean Journal of Marine Science     Open Access   (Followers: 1)
Wetlands Ecology and Management     Hybrid Journal   (Followers: 21)
Wiley Interdisciplinary Reviews : Water     Hybrid Journal   (Followers: 2)
WMU Journal of Maritime Affairs     Hybrid Journal   (Followers: 3)
World Water Policy     Hybrid Journal  
علوم آب و خاک     Open Access  

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JournalTOCs
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
Email: journaltocs@hw.ac.uk
Tel: +00 44 (0)131 4513762
 


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