Greywater characterization of an Indian household and potential treatment for reuse
2022
•A filtration system with different filter layers was designed.•COD removal efficiency of 85.98%.•BOD removal efficiency of 86.28%.•94.44% total suspended solids removal efficiency....
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Quantifying and analysing water trade-offs in the water-energy-food nexus: The case of Ghana
2022
Water, Energy and Food (WEF) are inextricably linked, and the Water-Energy-Food nexus (WEF nexus) provides a comprehensive framework for addressing the complex and intricate interconnections in the...
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Effect of operating variables on CO2 adsorption capacity of activated carbon, kaolinite, and activated carbon – Kaolinite composite adsorbent
2022
•A novel adsorbent was proposed for CO2 capture.•The performance of CO2 adsorption was studied for AC, KAO, and KAC composite adsorbents.•Effect of temperature, feed flow rates, and column bed height...
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Numerical simulations of lateral input effect in an open channel to reduce disturbances in the mainstream channel using CFD
2022
•Numerical simulation of an open channel with 90° bend is investigated and the fluid behavior within the channel is simulated.•Disturbances and vortices at the channel input are investigated.•Simulated...
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Impacts of climatic change and database information design on the water-energy-food nexus in water-scarce regions
2021
•The study highlights the synergies and trade-offs in the WEF nexus in Oman.•By 2099, the mean temperature will range from 2.0 to 3.5°C for RCP8.5.•Analysis showed drier January and February months...
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Fenton-like oxidation of phenol with in-situ generated hydrogen peroxide and Pd/Fe-zeolite catalysts
2021
•Fe-zeolites were loaded with Pd by impregnation and NaBH4 reduction without affecting Fe speciation.•Addition of low amount of Pd on Fe-ZSM5 improved activity in phenol oxidation by H2O2.•Pd/Fe-ZSM5...
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Modelling the adsorption of iron and manganese by activated carbon from teak and shea charcoal for continuous low flow
2021
•Proposing alternative methods of optimizing water treatment for small communities.•Activated carbon has alkaline properties that enhance iron and manganese adsorption.•Increased exhaustion time of...
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TiO2/graphene oxide nanocomposite with enhanced photocatalytic capacity for degradation of 2,4-dichlorophenoxyacetic acid herbicide
2021
•TiO2/graphene oxide (GO) composites photocatalyst were successfully prepared.•Efficiency of composites were tested by 2,4-dichlorophenoxyacetic acid degradation.•TiO2/GO-7% composite displayed enhanced...
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Energy prediction for community water supply: An integrative application of scaling analysis and life cycle assessment
2021
•A “leaf on a stem” model predicts the energy demand for community water supply.•The transmission and distribution energies are described by hydraulic and scaling laws.•Allometric scaling generates...
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How the Sponge City becomes a supplementary water supply infrastructure
2021
•Pathways to a complementary water supply service emerged from the Sponge City.•Suggestions for advanced and adaptive stormwater storage & treatment systems.•Implementing flexible services providing...
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Prioritization of potential soil erosion susceptibility region using fuzzy logic and analytical hierarchy process, upper Blue Nile Basin, Ethiopia
2021
•The Fuzzy Logic and AHP were used for the identification of soil erosion hot spot location.•Soil erosion is a major environmental threat affecting people's livelihoods around the world.•Spatially,...
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Long term relationship between food, energy and water inflation in South Africa
2021
•Energy inflation has impact on water inflation in the short and long run.•Energy inflation impacts itself in the short run and is affected by food inflation in the long run.•Food inflation impacts...
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Developments in the microbial desalination cell technology: A review
2021
•The microbial desalination cell (MDC) can treat wastewater, produce electricity and desalinate seawater.•MDCs have generally produced little currents.•Most MDC studies have reported desalination efficiencies...
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Comparative evaluation of wastewater and bioventing system for the treatment of acid mine drainage contaminated soils
2021
•BSTa and BVTa treatments account for the decrease in metal and SO4 concentration.•BSTa recorded 28-67% and 51% metal and SO4 removal efficiencies respectively.•BVTa showed 58-70% metal removal with...
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Assessment of water quality using GIS techniques and water quality index in reservoirs affected by water diversion
2021
•A numerical analysis for quantitative evaluation of reservoir responses.•A two-step statistical analysis to distinguish the effects on water diversion.•Magnitude and timing of water diversion as management...
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Optimal methodology for water recycling and reusability of multiproduct batch plant
2021
•To determine the ideal number of storage tanks for given problem.•To minimize the fresh water intake and suck load of treatment plant by recycle/reuse of waste water.•To design or modify the waste...
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Water-energy nexus: Condition monitoring and the performance optimization of a hybrid cooling system
2021
•A hybrid white-black box model has been developed for a wet cooling tower.•Dominant parameters on the system depreciation and behavioral fluctuations have been determined.•Two black box model updating...
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Biogas production from wastewater treatment: Evaluating anaerobic and biomagnetic systems
2021
•Titanium dioxide magnetite (Fe-TiO2) was assessed in anaerobic and biomagnetic systems.•The system's treatability performance was compared and discussed.•Analysis and deficiency of trace elements in...
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An ultrasound-assisted process for the optimization of biodiesel production from waste cottonseed cooking oil using response surface methodology
2021
•Biodiesel produced via the ultrasound assisted transesterification process.•Optimization performed using box-behnken and full factorial design methods.•Maximum biodiesel yield of 98.0% was achieved...
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Testing the feasibility of geothermal heat sinks with concentrated solar power for effective municipal wastewater disinfection: A pilot study
2021
•The feasibility of using geothermal heat sink integrated with concentrated solar for disinfection was investigated.•The overall cost associated with the process was found to decrease by 66%.•99.999%...
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