Browsing Materials, Energy, Water and Environmental Sciences by Title
Now showing items 150-169 of 571
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Effects of wastewater characteristics on fish quality from integrated wastewater treatment system and fish farming in Urban Areas, Tanzania
(Scientific Research Publishing, 2014-09-10)Availability of suitable water is one of the most important limiting factors for development of sustainable aquaculture in the urban areas. As a consequence, the use of wastewater effluents for aquaculture is on the rise ... -
Effects of zero-valent iron on sludge and methane production in anaerobic digestion of domestic wastewater
(Elsevier, 2023-12-08)Iron metal (Fe0) materials enhance the performance of anaerobic digestion (AD) reactors to remove pollutants. Most research focused on the materials' mechanisms and effectiveness in enhancing AD. However, there is scant ... -
Efficacy of Aqueous Extracts from Syzygium aromaticum, Tephrosia vogelii, and Croton dichogamus against Myzus persicae on Brassica oleracea in Northern Tanzania
(Hindawi Limited, 2021-07-19)The effectiveness of 1, 5, and 10% w/v of aqueous extracts of Croton dichogamus, Tephrosia vogelii, and Syzygium aromaticum and their mixture (2.5 and 5%) was evaluated against Myzus persicae on Brassica oleracea under ... -
Efficacy of silver nanoparticles in capacitive deionization electrodes as antimicrobial agents
(NM-AIST, 2020-02)The availability of clean and safe water is still a big challenge in most parts of the world. Drinking water should be free of harmful microorganisms and should contain the required amount of minerals based on the set ... -
Eggshells – assisted hydrolysis of banana pulp for biogas production
(2017-01-27)In this study, pretreatment of banana pulp using eggshells in both calcined and un-calcined forms to examine the extent of hydrolysis was conducted. Reactor CO containing banana pulp and inoculum but with no eggshells added ... -
Electrical power output potential of different solar photovoltaic systems in Tanzania
(International Journal of Renewable Energy Development, 2024-04-05)This study examines the photovoltaic (PV) energy output and levelized cost of energy (LCOE) in seven regions of Tanzania across five different tilt adjustments of 1 MW PV systems. The one-diode model equations and the ... -
Electrocatalytic reduction of CO2 gas at Sn based gas diffusion electrode
(Elsevier B.V., 2011-07-01)The tin (Sn) based gas diffusion electrode was fabricated and applied for CO2 electroreduction in a zero gap cell. The fabrication was done by electrodeposition from a simple citrateechloride plating solution by chrono ... -
Electrospun carbon nanofibers for use in the capacitive desalination of water
(Elsevier, 2022-12)Capacitive deionization (CDI) has rapidly become a promising approach for water desalination. The technique removes salt from water by applying an electric potential between two porous electrodes to cause adsorption of ... -
Encapsulated Urea-Kaolinite Nanocomposite for Controlled Release Fertilizer Formulations
(Hindawi Publishing Corporation Journal of Chemistry, 2015)Urea controlled release fertilizer (CRF) was prepared via kaolinite intercalation followed by gum arabic encapsulation in an attempt to reduce its severe losses associated with dissolution, hydrolysis, and diffusion. ... -
Energy Management for a Random Outage Grid-tied Hybrid Photo- voltaic Solar-Thermal Energy System for health Center Applications
(RERA, 2023-09-23)This research work proposes and evaluates an enhanced open-loop photo-voltaic evacuated tube solar thermal collector hybrid energy system based on the developed multi-objective energy management strategy that manages and ... -
Energy minimization in monoethanolamine‐based CO2 capture using capacitive deionization
(John Wiley & Sons, Ltd., 2014-01-07)Post‐combustion CO2 capture using monoethanolamine (MEA) is a mature technology; however, the high energy input requirements for solvent regeneration are still a challenge for MEA‐based CO2 capture. In this paper, a novel ... -
Energy Recovery from Municipal Solid Waste
(Regional Collaboration Conference, 2014-07)Energy flow analysis and thermal degradation of municipal solid waste was carried out using differential scanning calorimetry and thermo-gravimetric analyzer at heating rates of 10 K/min, 20 K/min, 30 K/min and 40 K/min ... -
Energy Recovery routes from Municipal Solid Waste : A case study of Arusha-Tanzania
(Journal of Energy Technologies and Policy, 2014)A study of energy recovery from municipal solid waste was undertaken. The energy content of the solid waste is 12MJ/kg. The elemental composition shows that the municipal solid waste contains 50% and 5% of carbon and hydrogen ... -
Engine performance, exhaust emissions and combustion characteristics of a CI engine fuelled with croton megalocarpus methyl ester with antioxidant
(Elsevier Ltd., 2011-08)The use of biodiesel as a substitute for petroleum-based diesel has become of great interest for the reasons of combating the destruction of the environment, the price of petroleum-based diesel and dependency on foreign ... -
Enhanced electrosorption capacity of activated carbon electrodes for deionized water production through capacitive deionization
(Elsevier Ltd., 2020)The deionized water (DI) of high purity standards is used in several industrial processes to manufacture products and technologies for high end applications. Currently, DI water is produced by either reverse osmosis or ... -
Enhancement of Biogas Potential for Slaughterhouse Waste by Co-digestion with Animal Wastes
(MAXWELL Scientific Publication Corp., 2021-05-25)The aim of the current study was to investigate biogas production from the slaughterhouse waste codigested with animal wastes. Slaughterhouses generate organic wastes that are environmentally hazardous due to high contents ... -
Enhancement of porosity of sodium silicate and titanium oxychloride based TiO2–SiO2 systems synthesized by sol–gel process and their photocatalytic activity
(Elsevier, 2013-09-15)The textural properties of TiO2–SiO2 composites (TSCs) were successively enhanced using three approaches; (1) washing the hydrogels with different solvents, (2) using surfactant and (3) forming the TiO2 sol in ethanol ... -
Enhancing Innovation and Collaboration in the Leather Processing Industry: A Case Study of the KIWANGO Leather Cluster
(NM-AIST, 2013)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 weak links between these ... -
Enhancing the performance of a spray flash evaporation integrated with evacuated tube desalination system
(NM-AIST, 2021-02)Numerical analysis for heat exchanger for spray-assisted low-temperature desalination system is presented for an existing low-temperature desalination unit at Arusha Technical College (ATC). The current desalination unit ... -
Environmental Changes in the Tanzanian Part of Lake Victoria
(Springer Nature Switzerland AG., 2017-11-29)Lake Victoria is known for its explosive speciation and recent time hybridization, which is highly mediated by deterioration of water quality. This chapter summarizes the knowledge on change of water quality and environment ...