Subjects -> ENVIRONMENTAL STUDIES (Total: 960 journals)
    - ENVIRONMENTAL STUDIES (853 journals)
    - POLLUTION (31 journals)
    - TOXICOLOGY AND ENVIRONMENTAL SAFETY (58 journals)
    - WASTE MANAGEMENT (18 journals)

ENVIRONMENTAL STUDIES (853 journals)                  1 2 3 4 5 | Last

Showing 1 - 200 of 378 Journals sorted alphabetically
ACS Chemical Health & Safety     Hybrid Journal   (Followers: 5)
ACS ES&T Engineering     Hybrid Journal   (Followers: 9)
Acta Brasiliensis     Open Access   (Followers: 3)
Acta Ecologica Sinica     Open Access   (Followers: 11)
Acta Environmentalica Universitatis Comenianae     Open Access   (Followers: 1)
Acta Limnologica Brasiliensia     Open Access   (Followers: 4)
Acta Oecologica     Hybrid Journal   (Followers: 12)
Acta Regionalia et Environmentalica     Open Access   (Followers: 1)
Advanced Electronic Materials     Hybrid Journal   (Followers: 7)
Advanced Energy and Sustainability Research     Open Access   (Followers: 8)
Advanced Sustainable Systems     Hybrid Journal   (Followers: 8)
Advances in Ecological Research     Full-text available via subscription   (Followers: 45)
Advances in Environmental Chemistry     Open Access   (Followers: 11)
Advances in Environmental Sciences - International Journal of the Bioflux Society     Open Access   (Followers: 21)
Advances in Environmental Technology     Open Access   (Followers: 1)
Advances in Life Science and Technology     Open Access   (Followers: 23)
Advances in Tropical Biodiversity and Environmental Sciences     Open Access   (Followers: 5)
Aeolian Research     Hybrid Journal   (Followers: 6)
African Journal of Environmental Science and Technology     Open Access   (Followers: 5)
Agricultura Tecnica     Open Access   (Followers: 5)
Agricultural & Environmental Letters     Open Access   (Followers: 3)
Agro-Science     Full-text available via subscription   (Followers: 3)
Agroecological journal     Open Access  
Agronomy for Sustainable Development     Open Access   (Followers: 22)
Agrosystems, Geosciences & Environment     Open Access   (Followers: 7)
Amazon's Research and Environmental Law     Open Access   (Followers: 5)
Ambiência     Open Access  
Ambiens. Revista Iberoamericana Universitaria en Ambiente, Sociedad y Sustentabilidad     Open Access   (Followers: 1)
Ambiente & sociedade     Open Access   (Followers: 3)
Ambiente & Agua : An Interdisciplinary Journal of Applied Science     Open Access   (Followers: 1)
American Journal of Energy and Environment     Open Access   (Followers: 5)
American Journal of Environmental Engineering     Open Access   (Followers: 16)
American Journal of Environmental Protection     Open Access   (Followers: 9)
American Journal of Environmental Sciences     Open Access   (Followers: 11)
American Naturalist     Full-text available via subscription   (Followers: 85)
Annals of Civil and Environmental Engineering     Open Access   (Followers: 3)
Annals of Environmental Science and Toxicology     Open Access   (Followers: 3)
Annals of GIS     Open Access   (Followers: 30)
Annual Review of Ecology, Evolution, and Systematics     Full-text available via subscription   (Followers: 89)
Annual Review of Environment and Resources     Full-text available via subscription   (Followers: 16)
Annual Review of Pharmacology and Toxicology     Full-text available via subscription   (Followers: 36)
Annual Review of Resource Economics     Full-text available via subscription   (Followers: 10)
Applied and Environmental Soil Science     Open Access   (Followers: 20)
Applied Ecology and Environmental Sciences     Open Access   (Followers: 30)
Applied Environmental Education & Communication     Hybrid Journal   (Followers: 19)
Applied Journal of Environmental Engineering Science     Open Access   (Followers: 2)
Aquatic Ecology     Hybrid Journal   (Followers: 39)
Aquatic Toxicology     Hybrid Journal   (Followers: 25)
Arcada : Revista de conservación del patrimonio cultural     Open Access   (Followers: 2)
Architecture, Civil Engineering, Environment     Open Access   (Followers: 4)
Archives des Maladies Professionnelles et de l'Environnement     Full-text available via subscription  
Archives of Environmental and Occupational Health     Hybrid Journal   (Followers: 12)
Archives of Environmental Contamination and Toxicology     Hybrid Journal   (Followers: 14)
Archives of Toxicology     Hybrid Journal   (Followers: 20)
Arctic Environmental Research     Open Access   (Followers: 1)
Asian Journal of Environment & Ecology     Open Access   (Followers: 1)
Asian Journal of Rural Development     Open Access   (Followers: 9)
Asian Review of Environmental and Earth Sciences     Open Access   (Followers: 3)
ATBU Journal of Environmental Technology     Open Access   (Followers: 5)
Atmospheric and Climate Sciences     Open Access   (Followers: 35)
Atmospheric Environment     Hybrid Journal   (Followers: 75)
Atmospheric Environment : X     Open Access   (Followers: 3)
Augm Domus : Revista electrónica del Comité de Medio Ambiente de AUGM     Open Access  
Austral Ecology     Hybrid Journal   (Followers: 18)
Australasian Journal of Environmental Management     Hybrid Journal   (Followers: 13)
Australasian Journal of Human Security     Full-text available via subscription   (Followers: 1)
Australian Journal of Environmental Education     Full-text available via subscription   (Followers: 11)
Basic & Clinical Pharmacology & Toxicology     Hybrid Journal   (Followers: 13)
Basic and Applied Ecology     Hybrid Journal   (Followers: 25)
Behavioral Ecology     Hybrid Journal   (Followers: 60)
Behavioral Ecology and Sociobiology     Hybrid Journal   (Followers: 38)
Biocenosis     Open Access  
Biochar     Hybrid Journal   (Followers: 3)
Biodegradation     Hybrid Journal   (Followers: 2)
Biodiversity     Hybrid Journal   (Followers: 30)
Biofouling: The Journal of Bioadhesion and Biofilm Research     Hybrid Journal   (Followers: 7)
Bioremediation Journal     Hybrid Journal   (Followers: 5)
BioRisk     Open Access   (Followers: 3)
BMC Ecology     Open Access   (Followers: 24)
Boletín Instituto de Derecho Ambiental y de los Recursos Naturales     Open Access  
Boletín Semillas Ambientales     Open Access  
Boston College Environmental Affairs Law Review     Open Access   (Followers: 7)
Bothalia : African Biodiversity & Conservation     Open Access   (Followers: 1)
Built Environment     Full-text available via subscription   (Followers: 5)
Bulletin of Environmental Contamination and Toxicology     Hybrid Journal   (Followers: 15)
Bulletin of the American Meteorological Society     Open Access   (Followers: 51)
Bumi Lestari Journal of Environment     Open Access  
Canadian Journal of Earth Sciences     Hybrid Journal   (Followers: 23)
Canadian Journal of Remote Sensing     Full-text available via subscription   (Followers: 50)
Canadian Journal of Soil Science     Full-text available via subscription   (Followers: 14)
Canadian Water Resources Journal     Hybrid Journal   (Followers: 20)
Capitalism Nature Socialism     Hybrid Journal   (Followers: 27)
Case Studies in Chemical and Environmental Engineering     Open Access   (Followers: 1)
Casopis Slezskeho Zemskeho Muzea - serie A - vedy prirodni     Open Access  
Cell Biology and Toxicology     Hybrid Journal   (Followers: 12)
Chain Reaction     Full-text available via subscription  
Challenges in Sustainability     Open Access   (Followers: 12)
Chemical Research in Toxicology     Hybrid Journal   (Followers: 25)
Chemico-Biological Interactions     Hybrid Journal   (Followers: 3)
Chemosphere     Hybrid Journal   (Followers: 17)
Child and Adolescent Mental Health     Hybrid Journal   (Followers: 71)
China Population, Resources and Environment     Full-text available via subscription   (Followers: 4)
Ciencia, Ambiente y Clima     Open Access   (Followers: 3)
City and Environment Interactions     Open Access   (Followers: 4)
Civil and Environmental Engineering     Open Access   (Followers: 8)
Civil and Environmental Engineering Reports     Open Access   (Followers: 9)
Civil and Environmental Research     Open Access   (Followers: 22)
CLEAN - Soil, Air, Water     Hybrid Journal   (Followers: 21)
Clean Technologies     Open Access   (Followers: 1)
Clean Technologies and Environmental Policy     Hybrid Journal   (Followers: 5)
Cleanroom Technology     Full-text available via subscription   (Followers: 1)
Climate and Energy     Full-text available via subscription   (Followers: 7)
Climate Change Ecology     Open Access  
Climate Change Economics     Hybrid Journal   (Followers: 33)
Climate Policy     Hybrid Journal   (Followers: 52)
Climate Resilience and Sustainability     Open Access   (Followers: 21)
Coastal Engineering Journal     Hybrid Journal   (Followers: 9)
Cogent Environmental Science     Open Access  
Columbia Journal of Environmental Law     Open Access   (Followers: 15)
Computational Ecology and Software     Open Access   (Followers: 11)
Computational Water, Energy, and Environmental Engineering     Open Access   (Followers: 5)
Conservation and Society     Open Access   (Followers: 14)
Conservation Letters     Open Access   (Followers: 51)
Conservation Science     Open Access   (Followers: 30)
Consilience : The Journal of Sustainable Development     Open Access   (Followers: 3)
Contemporary Problems of Ecology     Hybrid Journal   (Followers: 4)
Critical Reviews in Environmental Science and Technology     Hybrid Journal   (Followers: 15)
Critical Reviews in Toxicology     Hybrid Journal   (Followers: 26)
Cuadernos de Investigación Geográfica / Geographical Research Letters     Open Access  
Culture, Agriculture, Food and Environment     Hybrid Journal   (Followers: 26)
Culture, Agriculture, Food and Environment     Hybrid Journal   (Followers: 11)
Current Environmental Engineering     Hybrid Journal  
Current Environmental Health Reports     Hybrid Journal   (Followers: 2)
Current Forestry Reports     Hybrid Journal   (Followers: 1)
Current Landscape Ecology Reports     Hybrid Journal   (Followers: 2)
Current Opinion in Environmental Science & Health     Hybrid Journal   (Followers: 1)
Current Opinion in Environmental Sustainability     Hybrid Journal   (Followers: 17)
Current Research in Ecological and Social Psychology     Open Access  
Current Research in Environmental Sustainability     Open Access   (Followers: 3)
Current Research in Green and Sustainable Chemistry     Open Access   (Followers: 1)
Current Research in Microbiology     Open Access   (Followers: 27)
Current Sustainable/Renewable Energy Reports     Hybrid Journal   (Followers: 9)
Current World Environment     Open Access   (Followers: 7)
Developments in Earth and Environmental Sciences     Full-text available via subscription   (Followers: 3)
Developments in Earth Surface Processes     Full-text available via subscription   (Followers: 1)
Developments in Environmental Modelling     Full-text available via subscription   (Followers: 8)
Developments in Environmental Science     Full-text available via subscription   (Followers: 4)
Developments in Integrated Environmental Assessment     Full-text available via subscription   (Followers: 5)
Die Bodenkultur : Journal of Land Management, Food and Environment     Open Access   (Followers: 2)
Disaster Prevention and Management     Hybrid Journal   (Followers: 32)
Discover Sustainability     Open Access   (Followers: 3)
disP - The Planning Review     Hybrid Journal   (Followers: 1)
Divulgación Científica     Open Access   (Followers: 1)
Drug and Chemical Toxicology     Hybrid Journal   (Followers: 16)
Duke Environmental Law & Policy Forum     Open Access   (Followers: 7)
Dynamiques Environnementales     Open Access   (Followers: 1)
E3S Web of Conferences     Open Access   (Followers: 2)
Earth and Environmental Science Transactions of the Royal Society of Edinburgh     Hybrid Journal   (Followers: 6)
Earth Interactions     Open Access   (Followers: 13)
Earth Science Informatics     Hybrid Journal   (Followers: 5)
Earth System Governance     Open Access  
Earth System Science Data (ESSD)     Open Access   (Followers: 8)
Earth Systems and Environment     Hybrid Journal   (Followers: 3)
Earthquake Science     Hybrid Journal   (Followers: 14)
EchoGéo     Open Access  
Eco-Thinking     Open Access   (Followers: 5)
Ecocycles     Open Access   (Followers: 6)
Ecohydrology     Hybrid Journal   (Followers: 11)
Ecohydrology & Hydrobiology     Full-text available via subscription   (Followers: 4)
Ecologia Aplicada     Open Access  
Ecología en Bolivia     Open Access  
Ecological Applications     Full-text available via subscription   (Followers: 218)
Ecological Chemistry and Engineering S     Open Access   (Followers: 4)
Ecological Complexity     Hybrid Journal   (Followers: 7)
Ecological Engineering     Hybrid Journal   (Followers: 4)
Ecological Engineering : X     Open Access  
Ecological Indicators     Hybrid Journal   (Followers: 23)
Ecological Informatics     Hybrid Journal   (Followers: 4)
Ecological Management & Restoration     Hybrid Journal   (Followers: 15)
Ecological Modelling     Hybrid Journal   (Followers: 96)
Ecological Monographs     Full-text available via subscription   (Followers: 39)
Ecological Processes     Open Access   (Followers: 2)
Ecological Questions     Open Access   (Followers: 4)
Ecological Research     Hybrid Journal   (Followers: 12)
Ecological Restoration     Full-text available via subscription   (Followers: 23)
Ecologist, The     Full-text available via subscription   (Followers: 23)
Ecology     Full-text available via subscription   (Followers: 483)
Ecology and Evolution     Open Access   (Followers: 104)
Ecology Letters     Hybrid Journal   (Followers: 343)
EcoMat : Functional Materials for Green Energy and Environment     Open Access   (Followers: 3)
Economics and Policy of Energy and the Environment     Full-text available via subscription   (Followers: 14)
Économie rurale     Open Access   (Followers: 3)
Ecoprint : An International Journal of Ecology     Open Access   (Followers: 6)
Ecopsychology     Hybrid Journal   (Followers: 8)
Ecosphere     Open Access   (Followers: 9)
Ecosystem Services     Hybrid Journal   (Followers: 10)
Ecosystems     Hybrid Journal   (Followers: 33)
Ecosystems and People     Open Access   (Followers: 3)
Ecotoxicology     Hybrid Journal   (Followers: 11)
Ecotoxicology and Environmental Safety     Hybrid Journal   (Followers: 12)

        1 2 3 4 5 | Last

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American Journal of Environmental Engineering
Number of Followers: 16  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2166-4633 - ISSN (Online) 2166-465X
Published by SAP Homepage  [105 journals]
  • Limnology of Three Ponds in Chittagong University Campus, Bangladesh

    • Abstract: Publication year: 2020Source: American Journal of Environmental Engineering, Volume 10, Number 2Md. Saiful Islam, M. A. Azadi, Munira Nasiruddin, Md. Safiqul IslamPhysicochemical characteristics of any water body should be well known before using its water for different domestic purposes and also for different management needs. In Bangladesh, pond water is generally used by the middle to low income classes’ peoples for various purposes ignoring its quality. This study was conducted on monthly basis for two years, from January 2017 to December 2018 to find out the limnological qualities of water of three different types of ponds used by local inhabitants at Chittagong University Campus. The results of twelve limnological parameters were: air temperature (20.1-33°C), water temperature (18-33°C), transparency (14-85 cm), conductivity (22-423 μS/cm), total dissolved solids (TDS: 0-230 mg/l), pH (6.1-8.4), dissolved oxygen (DO: 0.9-16.5 mg/l), biochemical oxygen demand (BOD: 0.8-12.3 mg/l), free carbon dioxide (freeCO2: 2-26.97 mg/l), calcium (Ca++: 1.72-32.68 mg/l), total hardness (4-110 mg/l) and alkalinity (40-98 mg/l). Over use and dumping of household wastes disrupted the normal limnological features of Pond 1, in comparison with other two less (Pond 2) and almost unused (Pond 3) ponds. Extensive use by inhabitants and also physical structure of ponds were found to be responsible for variation and differences among some physicochemical properties of water. Among the three ponds, Pond 1 was found to be extensively used for household uses, than Pond 2 and Pond 3, and thus detected as high, less and not contaminated respectively. Significant direct or inverse correlations were observed among most of the factors.
       
  • Geological Assessment of Landslide Occurences in Okemesi Area,
           Southwestern Nigeria

    • Abstract: Publication year: 2020Source: American Journal of Environmental Engineering, Volume 10, Number 1Ayodele O. S., Olayanju G. M., Adeosun O. E.Landslide occurrence in Okemesi, an ancient town in the southwestern Nigeria on 24th of September 2017 was the third in the last two decades that led to loss of properties worth millions of Naira. This paper presents a geological investigation and quantitative modelling of the topographic surface of the area of landslide occurrence with the view of identifying the factors responsible for the land failure mechanism. The investigation included reconnaissance survey, geological mapping of the area to determine the underlying lithologic units, systematic sampling of soils and rocks at the affected sites at a sampling interval of 100 m, determination of geotechnical properties of the soils and rocks as well as Atterberg limits. Index and engineering properties of the soils such as load bearing capacities of the rocks and soils, repose angles and specific gravity were determined in the laboratory. The result of geotechnical analysis revealed that the soils are predominantly sandy clay with clay content ranging from 9.0 - 24.6%, sand content 60.2 – 70.6%, and silt content 13.5- 24.6% respectively. The soils were classified as poorly graded on basis of the unified soil classification system with specific gravity ranging from 2.640 - 2.690. Laboratory estimated repose angles also range from 28.20 – 38.280, which indicated that analyzed soils showed high level of instability This can be attributed to the major damage caused by the slump at the toe and lower section of the slope during the 2017 landslide. It is therefore pertinent that the settlers be relocated to away from the schistose quartzitic hill to avoid loss of lives in future that might arise from possible reactivated landslide.
       
  • Minor Water Cycle as Water Crisis Solution

    • Abstract: Publication year: 2020Source: American Journal of Environmental Engineering, Volume 10, Number 1A. Bakhtiari, T. Berberashvili, A. Davitashvili, D. Gurgenidze, P. Kervalishvili, L. KlimiashviliNowadays, water scarcity is one of the most important subject that many scientists are involved. On the other hand, environment pollution is another worrying problem what increase water scarcity via resources pollution. Both effect on human live, then finding comprehensive alternative is inevitable. Natural hydrologic water cycle (Macro Cycle) investigation shows nature provide comprehensive solution as natural cycle what could be imitated as reusing processed water that is called minor cycle. Today, common treatment processes could not be feasible as a standard way and then most of consumers refuse it. But innovative design and treatment elements arrangement in a process beside new technologies, can provide comprehensive solutions via minor cycle doctrine.
       
  • Evaluation of Biosorptive Capacity of Waste Watermelon Seed for Lead (II)
           Removal from Aqueous Solution

    • Abstract: Publication year: 2020Source: American Journal of Environmental Engineering, Volume 10, Number 1B. K. Adeoye, B. A. Akinbode, J. D Awe, C. T. AkpaThe efficacy of grinded watermelon seed as alternative low-cost biosorbents for the removal of Pb(II) ions from aqueous solutions was investigated. Batch adsorption studies were carried out by preparing a simulated waste sample and effects of adsorbent dose, temperature, initial metal concentration, contact time and pH on the percentage Pb(II) removal were evaluated. The Freundlich constant (n) and separation factor (RL) values suggest that the lead ions was favourably adsorbed onto biosorbents. Pseudo-second order kinetics best described the process with R2 (0.997). The results of pseudo second order kinetic model for the adsorption of lead showed straight line graph which starts from the origin. The value 1/ngreater than 1 is indicative of cooperative adsorption and Freundlich isotherm. Watermelon seed has viable characteristics for preparing biosorbents.
       
  • Assessing Dungeness River Functionality and Effectiveness of Best
           Management Practices (BMPs) Using an Ecological Functional Approach

    • Abstract: Publication year: 2019Source: American Journal of Environmental Engineering, Volume 9, Number 2Eric S. Hall, Robert K. Hall, Sherman Swanson, Wilson Yee, Don Kozlowski, Michael J. Philbin, Daniel T. Heggem, John Lin, Joan L. Aron, Robin J. Schafer, David Guiliano, Eric WilsonEffective stream and wetland Best Management Practices (BMPs) restore the physical processes associated with ecological functions to their Proper Functioning Condition (PFC, i.e., the highest attainable ecological status of a riparian area without consideration of economic, administrative, or social constraints). Ecological functions connect stream monitoring and management to mitigate the causes of ecosystem degradation and enhance restoration. The ecological function approach supports sustainable management of many ecosystem services including water quality, water stability (aquifer recharge), and fish and wildlife habitats. The 1993 Forest Ecosystem Management Assessment Team (FEMAT) report listed the Dungeness River as a Tier 1 key watershed, noted that watersheds are the logical spatial unit for ecosystem management, and that watersheds are important in species management, and understanding the interdependence of physical processes. Watersheds are at the spatial scale where physical and biological disturbances can be observed, and where management constraints and planning options for restoration objectives and strategies can be readily assessed. The US Forest Service (USFS) developed a management strategy for the Middle Dungeness River, and in the 1990s, the Upper Dungeness River was listed as impaired due to sediment, which initiated a US Forest Service change to land management practices. The Lower Dungeness River and bay are listed as impaired due to fecal coliform contamination. Assessing and monitoring the drivers of ecosystem function (vegetation, hydrology, soil, and landform) as part of a watershed adaptive management plan, and implementing BMPs to increase ecological functions, will improve aquatic habitat and water quality. Most BMPs, such as Total Maximum Daily Loads (TMDLs), attempt to improve water quality by reducing the amount of external pollutants reaching the impacted waterbodies, but do not focus on improving the watershed functions. The Proper Functioning Condition (PFC) approach is used to examine the condition of wetlands and streams and provide guidance for quantitative approaches (e.g., TMDL, remote sensing) used in watershed restoration. Improving watershed functions is a BMP that facilitates increased flows of water, nutrients, sediment, and other materials, and improves habitat quality. Using improved watershed functions as a BMP, facilitated by the use of remote sensing, TMDLs, and the PFC methodology is a more effective means of reducing risks across a watershed than by using TMDLs alone.
       
  • Eco-friendly Manufacturing Process of Casein Fiber with It’s Sustainable
           Features & Comfortable Uses

    • Abstract: Publication year: 2019Source: American Journal of Environmental Engineering, Volume 9, Number 2Nishat TasnimIn this modern era with the improvement in technology, people can realize that they can only survive, if ournature survives. So scientists are trying their best to cooperate with our mother like environment by reducing the amount of waste product. Again people are very conscious about different diseases even if while dressing themselves up. From all these thoughts he casein or milk fiber is discovered which may help both the human being & the nature. From the huge amount of discarded milk, a special type of fabric can be produced which is silky, smooth, very desirable for high fashion, appealing to high end consumers who are not only interested in ecology but also the economic & social responsibility supporting the fashionable collections. This article is all about the manufacturing process of casein fiber, it’s special features & comfortable uses. Again there are some techniques of producing casein fiber which are beyond any kind of harm to the environment. With the interest in & the use of this textile fiber growing, supply is challenged to meet the demand. So this article is very well suited with the modernization of the textile sector. It is an overview of the casein fiber & garments which also includes it’s drawbacks & the points which require further improvement. This article will help the researchers to reach the casein fiebr at a very remarkable stage of use as textile garments.
       
  • Numerical Study Investigating Origin of Preferential Flow and Controlling
           Factors of Non-equilibrium in Transport for Small Scale Systems

    • Abstract: Publication year: 2019Source: American Journal of Environmental Engineering, Volume 9, Number 2S. M. Baviskar, T. J. HeimovaaraLeachate emission from municipal solid waste landfills is one of the largest long term impacts on groundwater environment. Landfills are heterogeneous and in many cases unsaturated porous systems. We believe this leads to the emergence of preferential pathways for water moving through the landfill. In this research, we explore the origin of preferential flow in small scale porous systems which we consider to be analogues for a landfill, using a two dimensional deterministic model. In the model, water flow is described with Richards’ equation and non-sorbing, single component, solute transport with the advection dispersion equation. We implemented a number of scenarios consisting of dry soil do-mains with known heterogeneity and known material properties to which water is added from the top with varying infiltration patterns and rates. The flow and transport through heterogeneous systems are compared with a homogeneous soil domain system undergoing a similar infiltration regime. The results clearly show that material heterogeneity, infiltration patterns and rates are responsible for the occurrence of preferential pathways and macro-scopic non-equilibrium in the transport of solutes. Using these numerical results we discuss (i) how preferential flow can affect emission potential of landfill; (ii) why single continuum modelling methods are infeasible for full scale landfill; and (iii) the suitability of different modelling methods for modelling a full scale landfill.
       
  • Enhancing Efficiency of Anaerobic Digestion by Sand Filtration of Effluent

    • Abstract: Publication year: 2019Source: American Journal of Environmental Engineering, Volume 9, Number 1Parag M. Patil, M. HusainThe effluent of an anaerobic digester is rich in terms of solid concentration, particularly the suspended solids [1]. It may be rich in terms of nutrients also depending upon the source from where it has been generated. These solids in the effluent are reflected in terms of high COD. The effluent of the anaerobic digester can be used for irrigation purpose or may be discharged into some receiving water-body or on land. It can be further treated also to enhance its recyclability. In each case, it is desirable that the effluent is of high quality or in other words it is having less solid content. The solid content of the effluent can be reduced either by effluent settling or by effluent filtration. The settling of effluent is also a growing technology yet it is in its primitive stage. The present work has experimentally explored the second option that is the effluent filtration. It is found that the effluent can be effectively filtered to reduce the COD and solid content of itself, thus making the disposal easier. The experimental study has been done for the campus of an engineering college, SSBT’s College of Engineering and Technology, Bambhori, Jalgaon, MS.
       
  • Heavy Metals Content in Soil Sample Collected from Narayanganj Industrial
           Area, Bangladesh Using Proton Induced X-ray Emission

    • Abstract: Publication year: 2019Source: American Journal of Environmental Engineering, Volume 9, Number 1S. Akter, R. Khatun, M. M. Ahasan, M. F. Uddin, H. M. Jamil, A. N. Monika, M. A. Rahman, M. Rahman, R. P. Das, R. A. SharminSoil samples were collected from two different steel industries of Narayanganj District, Bangladesh. The samples were then dried, made fine powder and the pellets have been made for irradiation by 2.2 MeV proton beams of current ranges from 10 to 15 nA. Ion Beam Analyzing (IBA) technique Proton Induced X-ray Emission (PIXE) was used for sample irradiation. Data acquisition has been done using MAESTRO-32 software and the data files are analyzed using GUPIX/DAN-32. Elements to be found in the studied samples are: K, Ca, Cr, Mn, Fe, Co, Ni, Cu and Pd. Heavy metal with higher concentration was found in the study area and the concentration of heavy metal decreases with depth. The main objective of the research work is to explore and identify heavy elements presence in soil samples affected by the industrial area for human health.
       
  • Equilibrium, Kinetics and Thermodynamic Studies of Adsorption of
           Cadmium(II) Ions unto Activated Carbon from African Elemi Seeds

    • Abstract: Publication year: 2019Source: American Journal of Environmental Engineering, Volume 9, Number 1Idris Aminu, Muhammad S. SulaimanThe need to control our environment from industrial waste water pollution has ignited interest in cost effective products to treat industrial effluents. Adsorption of cadmium (II) ions from wastewater using activated carbon from African elemi seeds was studied. Batch adsorption experiments were carried out to investigate the effect of pH, contact time, initial metal ion concentration, temperature and adsorbent dosage on the adsorption efficiency. Results showed that increasing all the parameters, with the exception of temperature, increases the adsorption capacity. The process followed the pseudo-second order kinetics model which showed chemical adsorption. The experimental data was fitted well by the Freundlich isotherm indicating adsorption on heterogeneous surface. Thermodynamic data (negative ΔG, negative ΔH and positive ΔS) showed that the process was feasible, spontaneous, and exothermic with an increase in the randomness at the solid/solution interface. The study revealed that activated carbon from African elemi seeds could be used as a low cost adsorbent for removal of cadmium (II) ions from wastewater.
       
 
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