Materials, Energy, Water and Environmental Sciences: Recent submissions
Now showing items 21-40 of 692
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Simulation and Experimental Performance Analysis of Portable Locally-Made Solar-Powered Cooler for Vaccine Storage
(Trans Tech Publications Ltd, 2025-02)Poor storage conditions, particularly exposure to extreme temperatures, can significantly compromise vaccine efficacy, making them ineffective or harmful. This highlights the urgent need for adequate storage infrastructure ... -
Spatial occurrence and variation of the active pharmaceutical compounds in rivers and groundwater systems in Arusha City, Tanzania
(Elsevier, 2024-06-30)This study investigated the occurrence of 11 pharmaceutical compounds in the rivers and groundwater systems of Arusha City, Tanzania. Each suspected individual residue of active pharmaceutical compounds in water matrices, ... -
Impacts of Nonlinear Loads on the Power Quality of Solar Microgrids and Proposed Mitigation Strategies
(sci, 2025-02-18)The integration of solar energy into microgrids poses significant challenges in maintaining power quality due to the variable nature of solar generation and the presence of nonlinear loads such as uninterruptible power ... -
Kinetics and energetics of biodiesel oxidation stability: The impact of Uapaca kirkiana-derived natural antioxidants
(John Wiley & Sons, Ltd., 2025-03)Despite considerable progress in understanding biodiesel autoxidation inhibition, the kinetics and energetics of the inhibition reactions involving natural antioxidants remain underexplored. Most existing research on natural ... -
Effect of waste water bottle and treated sisal fibers on the durability and mechanical properties of concrete
(Nature Publishing Group UK, 2025-03-07)Globally, the disposal of waste plastic bottles is challenging. However, many researchers reported the importance of incorporating waste polyethylene-based waste water bottles (WWB) as a fiber and treated sisal fiber ... -
Eco-friendly catalyst design: Transforming volcanic lava ashes into sustainable synthesis of glycerol carbonate from glycerol in one pot solvent-free route
(Elsevier, 2025-04)Volcanic lava ash (VLA), a natural waste from nature’s geological activities was used as a raw material for the first time to produce a series of heterogeneous catalysts via facile calcination from 300 to 900 °C. The ... -
Synergistic antimicrobial mechanisms of silver-doped zinc oxide for water treatment: a systematic review
(IWA Publishing, 2025-03-10)This systematic review provides an overview of the existing research on antimicrobial mechanisms of silver-doped zinc oxide nanocomposites (Ag/ZnO NCs). It reports the existing knowledge on the synergistic effect (relationship) ... -
Optimization, Characterization and Modeling of Functionalized Macadamia Nutshell Derived-Biochar for Drinking Water Defluoridation
(Springer International Publishing, 2025)Fluoride contamination in drinking water is a serious global environmental concern owing to its irreversible health effects. This study synthesized Zr(IV)-impregnated macadamia nutshell biochar (Zr-MNSB) by the surface ... -
Transforming Smallholder Agriculture Amid Water Scarcity: A Systematic Review of the Socio-Economic Benefits of Micro-Irrigation Technologies
(GAJHSS, 2025-02-06)The review focuses on the socio-economic benefits of micro-irrigation technologies (MITs) for smallholder farmers, highlighting their potential to transform agricultural practices and enhance sustainability. The review ... -
Toward an Ideal Framework for Assessing Economic Viability of Micro-Irrigation Technologies: A Systematic Review
(2025-02-10)Micro irrigation technologies (MITs), such as drip and sprinkler systems, have been recognized as transformative solutions for enhancing agricultural productivity, optimizing water use, and promoting environmental sus ... -
Modern Versus Traditional Irrigation Systems: Implications for Technical Efficiency and Input-Output Relationship in Northern Tanzania’s Horticulture Sector
(GAJEB, 2025-02-10)This study evaluates the technical efficiency (TE) of modern and traditional irrigation methods and their subsequent impact on farm productivity, profitability, and sustainability. The research uses a sample of 540 ... -
Synthesis and characterization of aminofunctionalized chitosan-silica nanocomposite for the removal of Cu2+ from waste water
(Springer International Publishing, 2025-02-09)This study presents the synthesis and characterization of an aminofunctionalized chitosan-silica nanocomposite using the polymer melt intercalation technique. Chitosan, a biopolymer with inherent biocompatibility and ... -
Mitigation of Fluoride Contamination in Drinking Water Supply Sources by Adsorption Using Bone Char: Effects of Mineral and Organic Matrix
(MDPI, 2024-10-20)This study focused on fluoride (F−) contamination of water sources in Bahimi village, Cameroon. After the first investigation, results revealed that all water samples collected had elevated concentrations of fluoride ions ... -
Facile biosynthesis of Ag–ZnO nanocomposites using Launaea cornuta leaf extract and their antimicrobial activity
(Springer Nature, 2023-11-17)The quest to synthesize safe, non-hazardous Ag–ZnO nanoomposites (NCs) with improved physical and chemical properties has necessitated green synthesis approaches. In this research, Launaea cornuta leaf extract was proposed ... -
Ecological consequences of microplastic pollution in sub-Saharan Africa aquatic ecosystems: An implication to environmental health
(Elsevier, 2024-01-01)Microplastic pollution (MPs) emerged as a significant environmental concern due to its persistent nature. These MPs particles endure in waters, soils, and even the atmosphere, posing potential threats to the entire ecosystem. ... -
Understanding the Factors Influencing the Properties of Biomass-Derived Porous Carbon and Their Impacts on Electrical Double-Layer Capacitor Electrodes: A Comprehensive Review
(Wiley, 2024-09-04)The use of biomass as carbon precursors has been extensively investigated, with a particular emphasis on examining the properties of derived porous carbon and its application in electrical double-layer capacitors (EDLCs). ... -
Research progress of sodium super ionic conductor electrode materials for capacitive deionization
(Elsevier, 2024-07)The world is suffering from water shortage and the hope relies on the desalination of salty water. Several technologies are available for desalination such as reverse osmosis and electrodialysis. However, the application ... -
Valorization potentials of phosphate tailings at Minjingu mines in Northern Tanzania
(The Southern African Institute of Mining and Metallurgy, 2024-07)Sedimentary and igneous rocks are the two primary sources of phosphate that are mined and beneficiated to fertilizer. During the beneficiation process, phosphate is lost into the tailings. We investigated phosphate ... -
Capacitive deionization: Capacitor and battery materials, applications and future prospects
(Elsevier, 2024-09-15)Water scarcity all over the world attracts alternative methods to purify saline water and supplement the available dwindling freshwater resources. Capacitive deionization (CDI) is hopeful to supply water to the population ... -
Fluoride contamination a silent global water crisis: A Case of Africa
(Elsevier, 2024-11-20)Fluoride contamination in drinking water poses a global health risk, affecting millions worldwide, with Africa bearing a disproportionate burden due to unique geological factors like the East African Rift Valley. High ...
