Materials, Energy, Water and Environmental Sciences: Recent submissions
Now showing items 21-40 of 641
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“Tree of life”: how baobab seed-derived biochar could lead to water safety for underprivileged communities through heavy metal (Fe) removal – SDG 6
(Royal science of chemistry, 2024-09-24)The abnormally gigantic baobab tree (Adansonia digitata) is often referred to as the “Tree of Life” due to its ability to provide food, water, shelter, and traditional medicine for both humans and animals in arid ... -
Ecological consequences of microplastic pollution in sub-Saharan Africa aquatic ecosystems: An implication to environmental health
(Elsevier Inc., 2023-12-01)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 ... -
Assessment of Physicochemical Profile and Heavy Metal Constituents in the Groundwaters of Rural Areas in Southwest Tanzania
(Springer Naturer, 2024-07-10)This study focuses on groundwater quality in rural areas of Tanzania, addressing the literature gap on water quality data for sustainable rural development. Most rural communities in sub-Saharan Africa depend on groundwater ... -
Optimization of divalent mercury removal from synthetic wastewater using desirability function in central composite design of response surface methodology
(Springer Naturer, 2023-12-07)Heavy metals exist in the ecosystem both naturally and due to anthropogenic activities and as recalcitrant pollutants; they are non-biodegradable and cause acute and chronic diseases to human beings and many lifeforms. A ... -
Optimization of desorption parameters using response surface methodology for enhanced recovery of arsenic from spent reclaimable activated carbon: Eco-friendly and sorbent sustainability approach
(Elsevier Inc., 2024-06-05)Desorption and adsorbent regeneration are imperative factors that are required to be taken into account when designing the adsorption system. From the environmental, economic, and practical points of view, regeneration is ... -
Applicability of bio-adsorbents synthesized from maize/corn plant residues for heavy metals removal from aquatic environments:an insight review
(International Journal of Environmental Quality, 2023-07-04)The underutilization of agricultural waste products in recent years has resulted in environmental issues owing to improper disposal. As a result, heavy metals removal from aqueous systems utilizing sorbent materials produced ... -
Recent and sustainable advances in phytoremediation of heavy metals from wastewater using aquatic plant species: Green approach
(Elsevier, 2024-11)A key component in a nation's economic progress is industrialization, however, hazardous heavy metals that are detrimental to living things are typically present in the wastewater produced from various industries. Therefore, ... -
Launaea cornuta (wild lettuce) leaf extract: phytochemical analysis and synthesis of silver-zinc oxide nanocomposite
(IOP Science, 2024-10-11)Access to quality drinking water is an essential human right and a fundamental aspect of human dignity, yet a challenge to many in developing countries. Over 2 billion people worldwide lack access to quality drinking water ... -
Coastal Mariculture: Status, challenges , and future perspectives of Milkfish (Chanos chanos) farming in Tanzania
(Iranian Fisheries Sciences Research Institute, 2024-09)An investigative field survey was performed from October to November 2023 at nine villages within five districts in four selected regions, aimed to assess the status, challenges, and future perspectives of coastal ... -
Advances in metal–organic frameworks as adsorbents, photocatalysts and membranes: a new frontier in water purification
(Springer Nature Link, 2024-08-06)Water is an essential and irreplaceable necessity for life on earth, sustaining ecosystems, nourishing agriculture and vital for human survival. However, increasing population and industrialization has exacerbated water ... -
Performance evaluation of calcined eggshell waste (Sorbent) for biogas upgrading: Adsorption isotherms, adsorption kinetics, and fixed bed studies
(Elsevier, 2024-08)The use of non-renewable energy resources such as fossil fuels accelerates climate change and environmental degradation necessitating a shift to renewable energy sources. Biogas is a renewable energy resource with great ... -
Natural and low-cost sorbents as part of the solution for biogas upgrading: A review
(Springer Nature Link, 2024-04-13)The availability of pollutants in biogas especially carbon dioxide hinders its application in the enginery parts by minimizing its calorific standards. The presence of CO2 contributes to global warming which is a worry ... -
A brief history and prospects of sodium silicate-based aerogel - a review
(Springer Nature Link, 2024-09-14)This review paper, A Brief History and Prospects of Sodium Silicate-Based Aerogel, aims to attract junior researchers and/or students interested in investing time and other resources to harness the overriding potential of ... -
Exploring innovation and collaboration in the leather processing industry through the case study of the KIWANGO Leather Cluster
(Springer Nature Link, 2024-08-22)In the era of Industry 4.0, fostering innovation through strong collaboration among universities, industry, and government is crucial. However, the Tanzanian economy has faced challenges due to, among others, weak links ... -
Development of photocatalytic semiconductors and nanocomposites with excellent optoelectronic and electrochemical properties for dye effluent remediation -A review
(Elsevier, 2024-12)Myriads of photocatalytic semiconductors and their corresponding nanocomposites have been investigated for the remediation of toxic dye molecules in textile effluent however, notable challenges are reported of their ... -
Bacterial communities structure in constructed wetlands for municipal and industrial wastewater treatment in Tanzania
(IWA Publishing, 2023)Bacteria are the largest and most essential microorganisms in wastewater treatment systems. Despite the vital role bacteria play in enhancing wastewater treatment, its community structure and diversity remain poorly known. ... -
Naturally occurring metal oxides from rocks as capacitive deionization electrode material for antibacterial activities
(Elsevier, 2023-05)The present study aimed to investigate the efficacy of activated carbon (AC) electrode embedded with naturally occurring metal oxides (MO) from rocks for antibacterial activities against both gram- negative (Escherichia ... -
Investigation of engine performance, exhaust emissions, and combustion characteristics of a diesel engine fueled with Adansonia digitata methyl ester doped with nanosilica additive extracted from agricultural waste
(SCI, 2024-05-25)Recent studies have used nanoparticle additions to enhance the fuel properties of biodiesel. However, it is unclear how these additives would affect engine operation. The effects of commercial nanoadditives on engines have ... -
Exergy analysis and performance testing of a gravitational water vortex turbine runner for small hydropower plants: An Experimental Approach
(College of Natural and Applied Sciences, University of Dar es Salaam, 2024-10-02)Gravitational water vortex power plants (GWVPPs) have recently gained popularity due to their low initial investment, simple design, ease of maintenance, and low head utilization. However, the technology suffers from ...
