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ISSN: 2588-9125

Inequalities in access to energy in informal settlements: Towards energy justice in Gqeberha and Komani in South Africa

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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Analyzing carbon source-sink nexus for green and sustainable transition at the local scale

•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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Freshwater lakes in the Western Himalayan Region: An analysis of the present situation

•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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The water-energy-environment-economy nexus progressing toward net zero

•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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Effect of deficit irrigation under furrow irrigation techniques on garlic (Allium sativum L.) productivity at the central highland of Ethiopia

•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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Impact of adaptive water-saving and phaseout strategies on water withdrawal in China's coal-fired power industry under carbon constraints

•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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Removal of hexavalent chromium from aqueous by Chitosan-stabilized FeS

•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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Numerical simulation and optimization of a circular open channel for fish farming using Computational Fluid Dynamics (CFD)

•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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Emerging pollutants of severe environmental concern in water and wastewater: A comprehensive review on current developments and future research

•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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On-farm Water Energy Food Carbon-footprint Nexus Index for Quantitative Assessment of Integrated Resources Management for Wheat farming in Egypt

•The current paper developed an on-farm WEFE nexus index as a quantitative measure presenting a diagnosis for farm performance combining water, energy, food, and carbon-footprint pillars as the weighted...

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Unveiling the Nexus and Promoting Integration of Diverse Factors: Prospects of Big Data-Driven Artificial Intelligence Technology in Achieving Carbon Neutrality in Chongming District

•Proposed a comprehensive data acquisition framework that combines web scraping and “Space-Sky-Ground” integrated monitoring system.•Introduced MongoDB as a robust and flexible solution for data storage...

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Greywater characterization of an Indian household and potential treatment for reuse

•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

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

•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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Indirect effects of Covid-19 on water quality

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Numerical simulations of lateral input effect in an open channel to reduce disturbances in the mainstream channel using CFD

•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

•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

•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

•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

•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

•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

•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

•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

•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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