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  Subjects -> ENGINEERING (Total: 2278 journals)
    - CHEMICAL ENGINEERING (190 journals)
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    - ELECTRICAL ENGINEERING (102 journals)
    - ENGINEERING (1206 journals)
    - ENGINEERING MECHANICS AND MATERIALS (390 journals)
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CHEMICAL ENGINEERING (190 journals)                     

Showing 1 - 0 of 0 Journals sorted alphabetically
AATCC Journal of Research     Full-text available via subscription   (Followers: 5)
ACS Sustainable Chemistry & Engineering     Hybrid Journal   (Followers: 3)
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials     Hybrid Journal   (Followers: 5)
Acta Polymerica     Hybrid Journal   (Followers: 9)
Additives for Polymers     Full-text available via subscription   (Followers: 20)
Adhesion Adhesives & Sealants     Hybrid Journal   (Followers: 7)
Advanced Chemical Engineering Research     Open Access   (Followers: 30)
Advanced Powder Technology     Hybrid Journal   (Followers: 16)
Advances in Applied Ceramics     Hybrid Journal   (Followers: 5)
Advances in Chemical Engineering     Full-text available via subscription   (Followers: 24)
Advances in Chemical Engineering and Science     Open Access   (Followers: 52)
Advances in Polymer Technology     Hybrid Journal   (Followers: 13)
African Journal of Pure and Applied Chemistry     Open Access   (Followers: 7)
Annual Review of Analytical Chemistry     Full-text available via subscription   (Followers: 9)
Annual Review of Chemical and Biomolecular Engineering     Full-text available via subscription   (Followers: 12)
Anti-Corrosion Methods and Materials     Hybrid Journal   (Followers: 7)
Applied Petrochemical Research     Open Access   (Followers: 2)
Asia-Pacific Journal of Chemical Engineering     Hybrid Journal   (Followers: 7)
Biochemical Engineering Journal     Hybrid Journal   (Followers: 15)
Biofuel Research Journal     Open Access   (Followers: 4)
Biomass Conversion and Biorefinery     Partially Free   (Followers: 10)
Brazilian Journal of Chemical Engineering     Open Access   (Followers: 3)
Bulletin of Chemical Reaction Engineering & Catalysis     Open Access   (Followers: 2)
Bulletin of the Chemical Society of Ethiopia     Open Access   (Followers: 3)
Carbohydrate Polymers     Hybrid Journal   (Followers: 8)
Catalysts     Open Access   (Followers: 7)
ChemBioEng Reviews     Full-text available via subscription   (Followers: 1)
Chemical and Engineering News     Free   (Followers: 12)
Chemical and Materials Engineering     Open Access   (Followers: 10)
Chemical and Petroleum Engineering     Hybrid Journal   (Followers: 11)
Chemical and Process Engineering     Open Access   (Followers: 23)
Chemical and Process Engineering Research     Open Access   (Followers: 20)
Chemical Engineering & Technology     Hybrid Journal   (Followers: 32)
Chemical Engineering and Processing: Process Intensification     Hybrid Journal   (Followers: 17)
Chemical Engineering and Science     Open Access   (Followers: 16)
Chemical Engineering Communications     Hybrid Journal   (Followers: 13)
Chemical Engineering Education     Full-text available via subscription  
Chemical Engineering Journal     Hybrid Journal   (Followers: 32)
Chemical Engineering Research and Design     Hybrid Journal   (Followers: 21)
Chemical Engineering Research Bulletin     Open Access   (Followers: 10)
Chemical Engineering Science     Hybrid Journal   (Followers: 22)
Chemical Geology     Hybrid Journal   (Followers: 16)
Chemical Papers     Hybrid Journal   (Followers: 2)
Chemical Product and Process Modeling     Hybrid Journal   (Followers: 3)
Chemical Reviews     Full-text available via subscription   (Followers: 157)
Chemical Society Reviews     Full-text available via subscription   (Followers: 41)
Chemical Technology     Open Access   (Followers: 14)
ChemInform     Hybrid Journal   (Followers: 7)
Chemistry & Industry     Hybrid Journal   (Followers: 4)
Chemistry Central Journal     Open Access   (Followers: 4)
Chemistry of Materials     Full-text available via subscription   (Followers: 167)
Chemometrics and Intelligent Laboratory Systems     Hybrid Journal   (Followers: 15)
ChemSusChem     Hybrid Journal   (Followers: 7)
Chinese Chemical Letters     Full-text available via subscription   (Followers: 3)
Chinese Journal of Chemical Engineering     Full-text available via subscription   (Followers: 4)
Chinese Journal of Chemical Physics     Hybrid Journal   (Followers: 1)
Coke and Chemistry     Hybrid Journal   (Followers: 1)
Coloration Technology     Hybrid Journal  
Computational Biology and Chemistry     Hybrid Journal   (Followers: 11)
Computer Aided Chemical Engineering     Full-text available via subscription   (Followers: 1)
Computers & Chemical Engineering     Hybrid Journal   (Followers: 10)
CORROSION     Full-text available via subscription   (Followers: 19)
Corrosion Engineering, Science and Technology     Hybrid Journal   (Followers: 34)
Corrosion Reviews     Hybrid Journal   (Followers: 4)
Crystal Research and Technology     Hybrid Journal   (Followers: 6)
Current Opinion in Chemical Engineering     Open Access   (Followers: 8)
Education for Chemical Engineers     Hybrid Journal   (Followers: 5)
Eksergi     Open Access  
Emerging Trends in Chemical Engineering     Full-text available via subscription   (Followers: 2)
European Polymer Journal     Hybrid Journal   (Followers: 41)
Fibers and Polymers     Full-text available via subscription   (Followers: 6)
Fluorescent Materials     Open Access   (Followers: 1)
Focusing on Modern Food Industry     Open Access   (Followers: 2)
Frontiers of Chemical Science and Engineering     Hybrid Journal   (Followers: 2)
Gels     Open Access  
Geochemistry International     Hybrid Journal   (Followers: 2)
Handbook of Powder Technology     Full-text available via subscription   (Followers: 6)
Heat Exchangers     Open Access   (Followers: 3)
High Performance Polymers     Hybrid Journal   (Followers: 1)
Hungarian Journal of Industry and Chemistry     Open Access  
Indian Chemical Engineer     Hybrid Journal   (Followers: 5)
Indian Journal of Chemical Technology (IJCT)     Open Access   (Followers: 10)
Indonesian Journal of Chemical Science     Open Access   (Followers: 1)
Industrial & Engineering Chemistry     Full-text available via subscription   (Followers: 11)
Industrial & Engineering Chemistry Research     Full-text available via subscription   (Followers: 22)
Industrial Chemistry Library     Full-text available via subscription   (Followers: 3)
Industrial Gases     Open Access  
Info Chimie Magazine     Full-text available via subscription   (Followers: 3)
International Journal of Chemical and Petroleum Sciences     Open Access   (Followers: 2)
International Journal of Chemical Engineering     Open Access   (Followers: 7)
International Journal of Chemical Reactor Engineering     Hybrid Journal   (Followers: 3)
International Journal of Chemical Technology     Open Access   (Followers: 5)
International Journal of Chemoinformatics and Chemical Engineering     Full-text available via subscription   (Followers: 2)
International Journal of Food Science     Open Access   (Followers: 3)
International Journal of Industrial Chemistry     Open Access   (Followers: 1)
International Journal of Polymeric Materials     Hybrid Journal   (Followers: 5)
International Journal of Science and Engineering     Open Access   (Followers: 4)
International Journal of Waste Resources     Open Access   (Followers: 3)
Journal of Chemical Engineering & Process Technology     Open Access   (Followers: 3)
Journal of Applied Crystallography     Hybrid Journal   (Followers: 6)
Journal of Applied Electrochemistry     Hybrid Journal   (Followers: 11)
Journal of Applied Polymer Science     Hybrid Journal   (Followers: 114)
Journal of Biomaterials Science, Polymer Edition     Hybrid Journal   (Followers: 9)
Journal of Bioprocess Engineering and Biorefinery     Full-text available via subscription   (Followers: 1)
Journal of Chemical & Engineering Data     Full-text available via subscription   (Followers: 11)
Journal of Chemical and Biological Interfaces     Full-text available via subscription   (Followers: 1)
Journal of Chemical Ecology     Hybrid Journal   (Followers: 7)
Journal of Chemical Engineering     Open Access   (Followers: 17)
Journal of Chemical Engineering and Materials Science     Open Access   (Followers: 2)
Journal of Chemical Science and Technology     Open Access   (Followers: 4)
Journal of Chemical Sciences     Partially Free   (Followers: 17)
Journal of Chemical Technology & Biotechnology     Hybrid Journal   (Followers: 10)
Journal of Chemical Theory and Computation     Full-text available via subscription   (Followers: 14)
Journal of CO2 Utilization     Hybrid Journal   (Followers: 2)
Journal of Crystallization Process and Technology     Open Access   (Followers: 8)
Journal of Environmental Chemical Engineering     Hybrid Journal   (Followers: 3)
Journal of Food Measurement and Characterization     Hybrid Journal  
Journal of Food Processing & Technology     Open Access   (Followers: 1)
Journal of Fuel Chemistry and Technology     Full-text available via subscription   (Followers: 4)
Journal of Geochemical Exploration     Hybrid Journal   (Followers: 1)
Journal of Industrial and Engineering Chemistry     Hybrid Journal   (Followers: 1)
Journal of Information Display     Hybrid Journal   (Followers: 1)
Journal of Inorganic and Organometallic Polymers and Materials     Partially Free   (Followers: 8)
Journal of Modern Chemistry & Chemical Technology     Full-text available via subscription   (Followers: 2)
Journal of Molecular Catalysis A: Chemical     Hybrid Journal   (Followers: 5)
Journal of Non-Crystalline Solids     Hybrid Journal   (Followers: 8)
Journal of Organic Semiconductors     Open Access   (Followers: 5)
Journal of Physics and Chemistry of Solids     Hybrid Journal   (Followers: 5)
Journal of Polymer and Biopolymer Physics Chemistry     Open Access   (Followers: 4)
Journal of Polymer Engineering     Hybrid Journal   (Followers: 9)
Journal of Polymer Research     Hybrid Journal   (Followers: 6)
Journal of Polymer Science Part C : Polymer Letters     Hybrid Journal   (Followers: 6)
Journal of Polymers     Open Access   (Followers: 3)
Journal of Polymers and the Environment     Hybrid Journal   (Followers: 1)
Journal of Pure and Applied Chemistry Research     Open Access   (Followers: 1)
Journal of the American Chemical Society     Full-text available via subscription   (Followers: 276)
Journal of the Bangladesh Chemical Society     Open Access  
Journal of the Brazilian Chemical Society     Open Access   (Followers: 2)
Journal of The Institution of Engineers (India) : Series E     Hybrid Journal   (Followers: 1)
Journal of the Pakistan Institute of Chemical Engineers     Open Access   (Followers: 1)
Journal of the Taiwan Institute of Chemical Engineers     Hybrid Journal   (Followers: 2)
Journal of Water Chemistry and Technology     Hybrid Journal   (Followers: 8)
Jurnal Bahan Alam Terbarukan     Open Access  
Jurnal Inovasi Pendidikan Kimia     Open Access   (Followers: 1)
Jurnal Reaktor     Open Access  
Jurnal Teknologi Dan Industri Pangan     Open Access   (Followers: 1)
Konversi     Open Access  
Korean Journal of Chemical Engineering     Hybrid Journal   (Followers: 3)
Main Group Metal Chemistry     Hybrid Journal   (Followers: 1)
Materials Chemistry and Physics     Full-text available via subscription   (Followers: 15)
Materials Science and Applied Chemistry     Open Access  
Materials Sciences and Applied Chemistry     Full-text available via subscription  
Modern Chemistry & Applications     Open Access  
Molecular Imprinting     Open Access  
Nanocontainers     Open Access  
Nanofabrication     Open Access  
Noise Control Engineering Journal     Full-text available via subscription   (Followers: 2)
Ochrona Srodowiska i Zasobów Naturalnych : Environmental Protection and Natural Resources     Open Access  
Petroleum Chemistry     Hybrid Journal   (Followers: 1)
Physics and Chemistry of Glasses - European Journal of Glass Science and Technology Part B     Full-text available via subscription   (Followers: 4)
Plasma Processes and Polymers     Hybrid Journal   (Followers: 1)
Plasmas and Polymers     Hybrid Journal  
Polymer     Hybrid Journal   (Followers: 111)
Polymer Bulletin     Hybrid Journal   (Followers: 7)
Polymer Composites     Hybrid Journal   (Followers: 15)
Polyolefins Journal     Open Access  
Powder Technology     Hybrid Journal   (Followers: 14)
Recyclable Catalysis     Open Access   (Followers: 1)
Research on Chemical Intermediates     Hybrid Journal  
Reviews in Chemical Engineering     Hybrid Journal   (Followers: 5)
Revista Cubana de Química     Open Access  
Revista ION     Open Access  
Revista Mexicana de Ingeniería Química     Open Access  
Rubber Chemistry and Technology     Full-text available via subscription   (Followers: 2)
Russian Chemical Bulletin     Hybrid Journal   (Followers: 2)
Russian Journal of Applied Chemistry     Hybrid Journal   (Followers: 1)
Science and Engineering of Composite Materials     Hybrid Journal   (Followers: 59)
Solid Fuel Chemistry     Hybrid Journal  
South African Journal of Chemical Engineering     Open Access   (Followers: 2)
South African Journal of Chemistry     Open Access   (Followers: 2)
Surface Engineering and Applied Electrochemistry     Hybrid Journal   (Followers: 5)
Sustainable Chemical Processes     Open Access   (Followers: 2)
Synthesis Lectures on Chemical Engineering and Biochemical Engineering     Full-text available via subscription  
The Canadian Journal of Chemical Engineering     Hybrid Journal   (Followers: 3)
The Chemical Record     Hybrid Journal   (Followers: 1)
Theoretical Foundations of Chemical Engineering     Hybrid Journal   (Followers: 2)
Transition Metal Chemistry     Hybrid Journal   (Followers: 3)
Transylvanian Review of Systematical and Ecological Research     Open Access  
Visegrad Journal on Bioeconomy and Sustainable Development     Open Access   (Followers: 2)
Zeitschrift für Naturforschung B : A Journal of Chemical Sciences     Open Access   (Followers: 1)

           

Journal Cover Journal of Water Chemistry and Technology
  [SJR: 0.246]   [H-I: 7]   [8 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1934-936X - ISSN (Online) 1063-455X
   Published by Springer-Verlag Homepage  [2335 journals]
  • Kinetics of formation of hydrogen peroxide in vacuum ultraviolet radiation
           of water
    • Authors: V. V. Goncharuk; S. A. Dolenko; A. M. Kravchenko; A. O. Samsoni-Todorov
      Pages: 307 - 312
      Abstract: Abstract The article shows the possibility of formation of hydrogen peroxide when treating samples of various types of water (high resistant, distilled and tap water) by vacuum ultraviolet radiation (λ = 185 nm). It has been found the impact of temperature, the pH and dissolved CO2 on the kinetics of formation of hydrogen peroxide in photolysis of water.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060011
      Issue No: Vol. 38, No. 6 (2016)
       
  • Impact of electrochemically active diaphragm on dehydration of finely
           dispersed precipitates
    • Authors: L. L. Lysenko; N. A. Mishchuk; T. A. Nesmeyanova; R. E. Klishchenko
      Pages: 313 - 318
      Abstract: Abstract The article has proposed a new method of intensification of the dehydration of clayey dispersion based on the use of an electrochemically active diaphragm. Analyzed was impact of a carbon diaphragm on the distribution of the field tension in a cell and the electroosmotic transport of the liquid at different pH of the porous solution. Optimal conditions for dehydration of a model dispersion have been determined.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060023
      Issue No: Vol. 38, No. 6 (2016)
       
  • Kinetic and equilibrium studies of fluoride adsorption by a carbonaceous
           material from pyrolysis of waste sludge
    • Authors: V. Dogan; S. Aydin
      Pages: 319 - 326
      Abstract: Abstract The efficiency of the adsorption for fluoride by sludge from the treatment of starch industry wastewater was investigated. Batch experiments were conducted in order to determine the parameters that affect the adsorption process. The activation for waste sludge and specific surface area and porosity effects in enhancing the pyrolysis conditions were determined. The adsorption parameters of initial fluoride concentration, pH and adsorbent dosage were investigated with carbonaceous material. As a result of pyrolysis of samples treated with ZnCl2 1196 m2/g, the specific surface area was reached. Correlation coefficient of 0.99 and 12.75 mg/g adsorption capacity and adsorption isotherm model were revealed as convenient. Experimental results show that the adsorption of fluoride waste sludge will be effective in many ways in which the adsorbent is applied.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060035
      Issue No: Vol. 38, No. 6 (2016)
       
  • The use of adsorption-active additions of some natural minerals for
           raising the quality of coagulation purification of natural water
    • Authors: Yu. I. Tarasevich; M. Yu. Trifonov; V. T. Ostapenko; E. Kulishenko; T. B. Kravchenko
      Pages: 327 - 330
      Abstract: Abstract laboratory, pilot and production tests were carried out aimed at the use of powder clinoptilolite jointly with aluminum sulfate to improve the quality of purification of the Dnieper river water. The article showed the advantages of a combined use of these reagents: higher degree of purification, lower consumption of regents, and smaller volume of deposits. The research has begun to obtain composite coagulant by treating with hot sulfuric acid of clinoptilolite and aluminum hydroxide. First research has been conducted of water coagulation under laboratory conditions using composite coagulant and its efficiency was demonstrated.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060047
      Issue No: Vol. 38, No. 6 (2016)
       
  • Obtaining of deep desalinated water by the electromembrane method using
           ion–exchange resins
    • Authors: R. D. Chebotareva; S. Yu. Bashtan; R. I. Kakabaev; S. V. Remez
      Pages: 331 - 335
      Abstract: Abstract The article has investigated the process of water electrodeionization using ion–exchange resins KU-2 and AV-17 in the volume ratio 1: 1.4. It has been shown that at the location of the ion–exchange medium in chambers of the unit by separate layers one observes a higher efficiency of desalination; the specific electric resistance of diazolyte reaches 10.4 MΩ · cm.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060059
      Issue No: Vol. 38, No. 6 (2016)
       
  • Liquid–phase extraction treatment of wastewater of paint and varnish
           production facilities in the extractor with mixer
    • Authors: A. A. Gasanov; G. Z. Suleimanov; G. I. Kelbaliev
      Pages: 336 - 341
      Abstract: Abstract Liquid–phase extraction technology providing the maximum wastewater purification from such electrolyte composition components as butylglycol, phenylisopropanol, ascetic acid, and acetylacetone has been developed. A mathematical model of the process is proposed that takes into account the hydrodynamics of liquid flow and mass transfer in phases for each component. The differential cell model was used to determine the process parameters and calculate the basic dimensions of extractor. In addition, a three-stage process flowsheet with minimum extractant consumption was also presented.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060060
      Issue No: Vol. 38, No. 6 (2016)
       
  • Possibility of improving technological effectiveness of dairy wastewater
           treatment through application of active fillings and microwave radiation
    • Authors: M. Zieliñski; M. Dêbowski; M. Krzemieniewski; A. Brudniak; M. Kisielewska
      Pages: 342 - 348
      Abstract: Abstract The aim of the study was to determine the technological effectiveness of treatment process of model dairy wastewater in anaerobic reactors with active filling (AF), heated with electromagnetic microwave radiation (EMR). Experiments were conducted on a laboratory scale. The AF were produced using micro-pore extrusion technology. The study demonstrated that AF introduction to the technological system and application of EMR significantly improved the effectiveness of organic compounds, phosphorus removal and biogas production. Initial organic loading rate also affected the final results of wastewater treatment.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060072
      Issue No: Vol. 38, No. 6 (2016)
       
  • Formation of a test system and the choice of test criteria when biotesting
           natural waters
    • Authors: V. V. Goncharuk; A. V. Syroeshkin; V. F. Kovalenko; I. A. Zlatskiy
      Pages: 349 - 352
      Abstract: Abstract Described are main problems of biotesting natural water. Defined are principles for formation of a test system and factors influencing it. Proposed are main areas for the choice of sensitive test reaction of organisms and test criteria for assessing the quality of natural water by the results of their biotesting.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060084
      Issue No: Vol. 38, No. 6 (2016)
       
  • The influence of natural organic matter on trihalomethanes formation
           during the conditioning of drinking water
    • Authors: N. A. Klymenko; E. A. Samsoni-Todorova; L. A. Savchina
      Pages: 353 - 357
      Abstract: Abstract The behavior pattern of the content of disinfection by-products in samples from the clean water reservoir of the Dnieper water supply plant as a function of the total organic carbon concentration, ultraviolet absorption at λ = 254 nm, and the specific ultraviolet absorption has been investigated. It was established that with due regard for specific peculiarities of the Dnieper water composition in different year seasons, the total organic carbon concentration was the most expedient for a potential-determining indicator of trihalomethanes formation.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060096
      Issue No: Vol. 38, No. 6 (2016)
       
  • Assessment of groundwater quality and its suitability for agricultural
           usage in and around Rangampeta area, Andhra Pradesh, south India
    • Authors: A. Nagaraju; A. Thejaswi; Z. Sharifi
      Pages: 358 - 365
      Abstract: Abstract The aim of this study is to assess the groundwater quality of Rangampeta area for irrigation and domestic purposes. The groundwater samples were analyzed for distribution of chemical elements Ca, Mg, Na, K, Si, HCO3, CO3, Cl and SO4. It also includes pH, electrical conductivity, total hardness, non carbonate hardness and total alkalinity. The parameters like sodium absorption ratio, adjusted sodium absorption ratio, sodium percentage, potential salinity, permeability index and residual sodium carbonate were calculated. The dominant hydrochemical facies of groundwater are Ca–Mg–Cl and Na–Cl Water Types. The Gibbs’s diagram plots suggest that the chemical weathering of rock forming minerals is the major driving force controlling water chemistry in this area. The positive chloro-alkaline indices revealed that the groundwater has suffered ion exchange between Na and K of water with Ca and Mg of soil during its flow.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060102
      Issue No: Vol. 38, No. 6 (2016)
       
  • Current status of arsenic contamination in drinking water and treatment
           practice in some rural areas of West Bengal, India
    • Authors: J. N. Bhakta; S. Rana; J. Jana; S. K. Bag; S. Lahiri; B. B. Jana; F. Panning; L. Fechter
      Pages: 366 - 373
      Abstract: Abstract The aim of the present investigation was to draw the current scenario of arsenic (As) contamination in drinking water of community tube well and drinking water treated by tube wells installed with different adsorbent media-based treatment plants in districts Nadia, Hooghly and North 24-Parganas districts, West Bengal, India. As removal efficiencies of different treatment plants varied from 23 to 71%, which is largely governed by adsorption capacity of adsorbent and influencing environmental factors. Though investigated treatment plants removed substantial amount of As from tube well water, high As concentration in treated drinking water was retained after passing through the treatment plants. This high level of As concentration in tube well water and retention of high As concentration in treated drinking water were severe for the consumers which therefore, indicating the improvement of removal efficiency of treatment plant by meticulously considering favorable influencing factors or/and application of other high capacity treatment alternatives to adsorb the excess As retained in drinking water and regular monitoring of As concentration in the treated drinking water are indispensable.
      PubDate: 2016-11-01
      DOI: 10.3103/s1063455x16060114
      Issue No: Vol. 38, No. 6 (2016)
       
  • Electrokinetic intensification of dehydration of complex disperse systems
    • Authors: L. L. Lysenko; N. A. Mishchuk; T. A. Nesmeyanova
      Pages: 249 - 254
      Abstract: Abstract The paper has investigated the efficiency of dehydration of two-component dispersion system in its mechanical treatment and additional effect of the electric field. It is shown that at the presence of a gel-like organic component substantially making difficult the process of removing liquid, the degree of dehydration noticeably decreases. For achieving acceptable values of finite moisture in such systems it is necessary to create conditions ensuring electroosmotic transfer of liquid.
      PubDate: 2016-09-01
      DOI: 10.3103/s1063455x16050015
      Issue No: Vol. 38, No. 5 (2016)
       
  • Impact of a pulse corona discharge on the formation of hydrogen peroxide
           in different types of water
    • Authors: A. V. Mamaenko; S. A. Dolenko; V. V. Goncharuk
      Pages: 255 - 259
      Abstract: Abstract Using an example of detecting hydrogen peroxide the article showed the possibility of generation of highly active radicals in various types of water (high-resistance, distilled and tap) in their treatment by a pulse positive corona discharge. The article has established the impact of the conditions for the formation of plasma, time of treatment and temperature of the solution at the output of hydrogen peroxide and also for the change of some physicochemical properties of investigated water samples.
      PubDate: 2016-09-01
      DOI: 10.3103/s1063455x16050027
      Issue No: Vol. 38, No. 5 (2016)
       
  • Photocatalytic activity and selectivity of Me/La(Ce)-TiO 2 catalysts in
           the reaction of water denitrification
    • Authors: I. V. Stolyarova; N. M. Soboleva; R. V. Prihod’ko; V. V. Goncharuk
      Pages: 260 - 265
      Abstract: Abstract The study investigated the efficiency of photocatalytic denitrification of the water medium in the presence of modified titanium dioxide obtained by the sol–gel method. La(Ce)–TiO2, modified Cu, Ag, Au, Pd and Pt were used as photocatalysts for reducing nitrates and oxidize formic acid. It has been shown that La(Ce)–TiO2 are active and selective photocatalysts for removal of nitrate–ions from water.
      PubDate: 2016-09-01
      DOI: 10.3103/s1063455x16050039
      Issue No: Vol. 38, No. 5 (2016)
       
  • Optimizing linear alkyl benzene sulfonate removal using Fenton oxidation
           process in Taguchi Method
    • Authors: H. Khorsandi; A. Mohammadi; F. Kariminejad; M. Haghighi; S. Karimzadeh; J. Khorsandi; A. A. Aghapour
      Pages: 266 - 272
      Abstract: Abstract Linear alkyl benzene sulfonate (LAS), which is the most common used anionic surfactant in detergents manufacturing, can discharge onto water resources through wastewater and causes change in taste and odor, disruption in water treatment processes, aquatics death, and oxygen transfer limitation. Accordingly, this article investigates to optimize LAS removal using Fenton oxidation process in Taguchi Method for the first time. LAS removal using Fenton oxidation was perused experimentally in a lab-scale reactor. In order to save relevant costs, 25 runs were qualified to specify the optimum conditions of Fenton oxidation using Taguchi method by Minitab 16 software. Sampling and testing procedures were executed based on the standard methods for the examination of water and wastewater. The optimum conditions included 900 mg/L hydrogen peroxide, 170 mg/L ferrous ion, pH of 4 and the reaction time of 20 min. Fenton oxidation, as a second order reaction with the rate coefficient of 0.0152 L/mg⋅min, provided 86.5% efficiency for LAS removal in the optimum conditions. Despite Fenton oxidation appeared as a high efficiency process in LAS removal, low removal efficiency of chemical oxygen demand corresponding with LAS affirmed its partial degradation.
      PubDate: 2016-09-01
      DOI: 10.3103/s1063455x16050040
      Issue No: Vol. 38, No. 5 (2016)
       
  • Impact of polyhexamethylene guanidine on filtering of Pb(II) and Cd(II)
           hydroxides from aqueous solutions
    • Authors: E. I. Yanushevskaya; V. I. Suprunchuk; E. V. Ivanyuk
      Pages: 273 - 279
      Abstract: Abstract The paper presents results of investigations aimed at optimizing the process of Pb(II) and Cd(II) removal using polyhexamethylene guanidine (PHMG) from aqueous solutions. The formation of compounds of chemisorption-type ions of the above metals with PHMG was established by using the methods of polarography, infrared spectroscopy, and pH-metry. The investigations revealed a positive impact of PHMG on the sedimentation and filtering of the precipitation of Pb(II) and Cd(II) hydroxides.
      PubDate: 2016-09-01
      DOI: 10.3103/s1063455x16050052
      Issue No: Vol. 38, No. 5 (2016)
       
  • Rapid ultrasensitive chemometrics-fluorescence methodology to quantify
           fluoroquinolones antibiotics residues in surface water
    • Authors: D. González-Gómez; F. Cañada-Cañada; A. D. Campiglia; A. Espinosa-Mansilla; A. Muñoz de la Peña; Jin Su Jeong
      Pages: 280 - 286
      Abstract: Abstract A sensitive method for the determination of fluoroquinolones in surface waters at trace concentration level is presented. The proposed two-step methodology consists in a solid-phase extraction using C-18 membranes followed measurement of the emission molecular fluorescence spectra over extracted membrane without elution of the analytes. Membrane background signal was removed by the used of chemometrics calculations, in addition chemometrics was as well used for the direct and simultaneous determination of the studied compounds. The method was optimized for the analysis of three fluoroquinolones: enoxacin (ENO), norfloxacin (NOR) and ofloxacin (OFLO). The fluorescence of these compounds increase drastically when they are in the membrane, thus with this method low concentrations are possible to be determined, as the concentration in which these compounds appear in surface water. Limits of detection at the ng•L–1 level were estimated for ENO, NOR and OFLO.
      PubDate: 2016-09-01
      DOI: 10.3103/s1063455x16050064
      Issue No: Vol. 38, No. 5 (2016)
       
  • Biosorption of procaine on biologically active carbon
    • Authors: E. A. Korzh; N. A. Klymenko; S. K. Smolin; L. R. Reshetnyak
      Pages: 287 - 293
      Abstract: Abstract The article has studied the dynamics of biosorption purification of water of procaine adapted by biomass of active sludge immobilized on activated carbon. The greatest constant of the rate of biodestruction of procaine (0.151 h–1) suspended by adapted biomass is observed at the concentration of the matter 100 mg/dm3. At biosorption removal of procaine on activated carbon under conditions of stirring the constants of the rates of biodestruction increase two–five times compared with suspended biomass. The adapted biofilm noticeably extend the service life of carbon compared with the spontaneously emerging biofilm at the sake of higher destruction activity.
      PubDate: 2016-09-01
      DOI: 10.3103/s1063455x16050076
      Issue No: Vol. 38, No. 5 (2016)
       
  • Role of microorganisms in water purification of compounds of iron and
           manganese in a dense layer of sorbent–catalyst
    • Authors: A. V. Kravchenko; N. N. Chernova; E. S. Panchenko; N. M. Kosygina; I. V. Yakupova
      Pages: 294 - 300
      Abstract: Abstract The article contains assessment and contains experimental substantiation of the involvement of iron- and manganese-oxidizing microorganisms in the removal of manganese compounds from model solutions. Defined and identified are cultures of such microorganisms. The article has shown the efficiency of removing manganese compounds by the layer of a sorbent–catalyst under conditions of changing the temperature conditions for a long time.
      PubDate: 2016-09-01
      DOI: 10.3103/s1063455x16050088
      Issue No: Vol. 38, No. 5 (2016)
       
  • Impact of microbial Nocardia vaccinii IMB B-7405 surfactants on oil
           destruction in water
    • Authors: T. P. Pirog; E. V. Panasyuk; N. A. Antonyuk
      Pages: 301 - 306
      Abstract: Abstract The degradation degree of oil and complex oil pollutions with heavy metals in water in the presence of microbial Nocardia vaccinii IMB B-7405 surfactants has been studied. The destruction of oil in water (at concentrations of 2.6–6.0 g/dm3) 25–30 days after the treatment with post-fermentative culture liquid (5–10 vol %) containing the surfactants amounted to 76–94%.
      PubDate: 2016-09-01
      DOI: 10.3103/s1063455x1605009x
      Issue No: Vol. 38, No. 5 (2016)
       
 
 
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