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Now showing items 41-49 of 49
Uranium in phosphate rocks and mineral fertilizers applied to agricultural soils in East Africa
(Springer Link, 2022-12-11)
Phosphate rock, pre-concentrated phosphate ore, is the primary raw material for the production of mineral phosphate fertilizer. Phosphate rock is among the fifth most mined materials on earth, and it is also mined and ...
Modification of municipal wastewater for improved biogas recovery
(IWA Publishing, 2020-06-24)
The energy demand which is expected to increase more worldwide has sparked the interest of researchers to find sustainable and inexpensive sources of energy. This study aims to integrate energy recovering step into municipal ...
Performance investigation of the slaughterhouse wastewater treatment facility: a case of Mwanza City Slaughterhouse, Tanzania
(Water Practice & Technology, 2020-09-28)
The present study engaged onsite operations and laboratory analysis for Mwanza City Slaughterhouse (MCS)
wastewater to improve the efficiency of wastewater treatment of a newly installed facility. The MCS wastewater
treatment ...
The role of textural properties and surface chemistry of activated carbon support in catalytic deoxygenation of triglycerides into renewable diesel
(Elseiver, 2023-07)
The textural properties and surface chemistry of activated carbon support are commonly known to have influ-
ence on the catalytic performance of catalysts. Many authors have assessed the effect of textural properties ...
Influence of phosphate fertilizers on the radioactivity of agricultural soils and tobacco plants in Kenya, Tanzania, and Uganda
(Springer Berlin Heidelberg, 2023-06-20)
Three brands of NPK fertilizers that contain variable concentrations of natural radioactivity are commonly used in tobacco
plantations in Kenya, Tanzania, and Uganda. Tobacco plants are known for hyper-accumulation of ...
Design and Performance Analysis of Composite Airfoil Wind Turbine Blade
(University of Dar es Salaam, 2021)
Small horizontal axis wind turbine rotors with composite airfoil rotor blades were designed and
investigated in the present study in order to improve its performance in low wind speed and low
Reynolds number (Re) conditions ...
Effects of different supplementary cementitious materials on durability and mechanical properties of cement composite – Comprehensive review
(Elsevier Ltd., 2023)
Ordinary Portland cement is the highest produced cement type in the world, however its pro-
duction is high energy consumption means expensive, huge natural resource consumptive, and
creating high environmental pollution. ...
Uranium Dissemination with Phosphate Fertilizers Globally: A Systematic Review with Focus on East Africa
(MDPI, 2024-01-09)
Growing concern has been expressed about uranium (U) accumulation in agricultural soils
caused by the long-term application of mineral fertilizers. More than 80% of naturally occurring
U transfers from phosphate rock ...
Impact of Antioxidant Additives on the Engine Performance and Exhaust Emissions Using Biodiesel made from Jatropha Oil of Eastern Africa Origin
(Journal of the South African Institution of Mechanical Engineering, 2016)
Biodiesel’s chemical nature makes it more susceptible to
oxidation in comparison to mineral diesel. Biodiesels are
doped with antioxidants to increase oxidation stability for
long term storage. However, it is quite ...