Spatial-temporal distribution and source apportionment of riverine dissolved organic carbon in the Miyun section of the Chaobai River in Beijing, China
December 2023
•DOC dynamics in drinking source water of Beijing were characterized.•Riverine DOC sources were identified as endogenous or exogenous.•Land use regulated riverine DOC dynamics rather than season and...
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Numerical simulation and optimization of a circular open channel for fish farming using Computational Fluid Dynamics (CFD)
December 2023
•Solving the Navier-Stokes equations numerically and assuming incompressible, unsteady, and two-phase flow, the parameters of the canal flow were extracted.•By mounting the system outlet along the path...
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The water-energy-environment-economy nexus progressing toward net zero
December 2023
•Without technological changes such as desalination, water scarcity poses a limit to growth.•The progress toward net zero is challenging for water scarcity and desalination.•Water desalination is incompatible...
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Impact of adaptive water-saving and phaseout strategies on water withdrawal in China's coal-fired power industry under carbon constraints
December 2023
•An improved water withdrawal calculation method for coal-fired power was proposed.•Spatial differences in water withdrawal under adaptive water-saving scenarios.•The deployment of CCS technology will...
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Assessment of organic pollutants in petroleum refinery wastewater by LC-MS analyzer
December 2023
•77.1% negative and 22.9% positive metabolites are identified.•Carbon above C21 predominantly exist as negative metabolite.•Carbon range upto C48 are miscible in water when present as negative and positive...
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Sensitivities of rainfed maize production to root zone soil water, air temperature and shortwave radiation in the Sanjiang Plain under sub-humid cool-temperate climates
December 2023
•Sensitivities of rainfed maize production to environmental factors were examined.•Wr largely made positive contributions to biomass production at vegetative stage.•Biomass and yield production were...
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Effect of deficit irrigation under furrow irrigation techniques on garlic (Allium sativum L.) productivity at the central highland of Ethiopia
December 2023
•The seasonal crop water requirement of garlic was determined.•Deficit irrigation improves irrigation water use efficiency without compromising yield.•Deficit irrigation allows crops to use soil water...
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Freshwater lakes in the Western Himalayan Region: An analysis of the present situation
December 2023
•The Western Himalayan range comprises the majority of the Indian Himalayas including J&K, H.P., and Uttarakhand•The Western Himalayan Range is vulnerable to both the whims of nature and human interference...
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Removal of hexavalent chromium from aqueous by Chitosan-stabilized FeS
December 2023
•A new efficiency efficient Cr (Ⅵ) treatment material FeS/CTS was synthesized.•Electrostatic force, redox reactions, precipitation and complexation were involved in Cr (Ⅵ) removal.•The contribution...
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Emerging pollutants of severe environmental concern in water and wastewater: A comprehensive review on current developments and future research
December 2023
•Treatment technologies for emerging contaminants (ECs) are comprehensively reviewed.•Types, impacts, and treatment methods of typical ECs are reviewed.•Adsorption method is found to be suitable for...
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Evaluate the use of flower waste biosorbents for treatment of contaminated water
December 2023
•The purpose of this study is to evaluate the water quality index of groundwater at various locations for physiochemical analysis.•In this study, we employ four different flower waste biosorbents marigold,...
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Developing the water-energy nexus performance of direct evaporative coolers in a hot and dry climate: Toward a green space cooling
December 2023
•Water consumption was reduced by 56%.•The operating hours of the DEC system were reduced by 55% affects on energy demand directly.•The fossil electrical energy source was altered to Solar PVs.•The...
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Prevention of water pollution through combined sewer overflow using high-speed biofiltration in urban watershed
December 2023
•A biofiltration-based technology contain cube-type media was proposed to treat CSOs.•BOD removal efficiency was observed at approximately 50 % during high-rate operation condition.•BODs of treated...
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Analyzing carbon source-sink nexus for green and sustainable transition at the local scale
December 2023
•The intricate relationship between carbon emissions and carbon sinks is explored.•The growth rate of carbon emissions in Chongming exceeded that of carbon sinks.•Achieving net-zero carbon requires...
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Assessing the impact of changing environment on coal mining water use in China
December 2023
•The PLS and VAS methods were applied to systematically analyze the degree of influence of influencing factors on coal mining water use and the dynamic response of water use changes.•The economic level...
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Surface water environmental carrying capacity and surface water quality based on economy-society-environment nexus – Evidence from China
December 2023
•·The economy-society-environment nexus were revealed to estimate surface water quality in China.•·In comparison with the other models, Augmented Naive Bayes (ANB) showed the best performance in estimating...
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Inequalities in access to energy in informal settlements: Towards energy justice in Gqeberha and Komani in South Africa
December 2023
As South Africa continues to strive towards securing sources of sustainable energy, the needs and interests of marginalised communities in informal settlements with respect to energy should not be overlooked...
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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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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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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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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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