Browsing Materials, Energy, Water and Environmental Sciences by Title
Now showing items 326-345 of 539
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Occurrence of nitrate in Tanzanian groundwater aquifers: A review
(Springer Open, 2015-03-06)More than 25 % of Tanzanian depends on groundwater as the main source of water for drinking, irrigation and industrial activities. The current trend of land use may lead to groundwater contamination and thus increasing ... -
Oldoinyo Lengai Volcanic Ash for Removal of Hydrogen Sulfide and Ammonia from Biogas
(Scientific Research an Academic Publisher, 2018-04-13)Oldoinyo Lengai mountain located in Northern Tanzania is the only active natrocarbonatite volcano with unusually alkali-rich natrocarbonatites which are not found elsewhere in the world. Volcanic ash formed earlier during ... -
Open-Source Software Application for Hydrogeological Delineation of Potential Groundwater Recharge Zones in the Singida Semi-Arid, Fractured Aquifer, Central Tanzania
(MDPI, 2020-05-17)This study attempted to delineate and map potential groundwater recharge zones of the Singida, semi-arid, fractured crystalline basement aquifer using open source remote sensing and GIS software. Various thematic maps ... -
Operating Conditions of A Locally Made Fixed-Bed Incinerator, a Case Study of Bagamoyo – Tanzania
(Science Publishing Group, 2015-03-18)To minimize the pollution from municipal solid waste incinerators, the study of operating conditions is imperative. The local design incinerators can be used for high performance combustion and minimize pollutions. The ... -
Optimization of biogas production process in solid state digesters: option for minimizing deforestation in dry areas
(NM-AIST, 2019-03)Questionnaire survey, satellite images of 1987, 1997, 2002 and 2017 were used to assess energy sources, demand and the impact of fuel wood use to forest cover changes in Meru and Mwanga districts. The major energy sources ... -
Optimization of domestic biogas stove burner for efficient energy utilization
(NM-AIST, 2020-08)The inefficient indoor burning of fuel wood on traditional cook stoves generates pollutants, primarily carbon monoxide and many other human health-damaging emissions. It is from this risk that it is necessary to have an ... -
Optimization of incineration process
(NM-AIST, 2019-02)Municipal solid waste management has become a challenge in many cities in the developing countries due to the poor methods of waste disposal, which increase the risk of the spread of diseases, leach and increase the demand ... -
Optimization of microwave-assisted alkali pretreatment followed by acid hydrolysis of sugarcane straw for production of acetone-butanol-ethanol
(Taylor & Francis Online, 2020-05-07)The production of acetone-butanol-ethanol (ABE) calls for effective pretreatment and hydrolysis techniques to maximize reducing sugar yields. In this study, optimized microwave-assisted alkali (MAA) pretreatment followed ... -
Optimization of Sedimentation Tank Coupled with Inclined Plate Settlers as a Pre-treatment for High Turbidity Water
(International Institute for Science, Technology and Education(IISTE), 2015)Access to clean and safe drinking water is a challenge in most rural areas of Tanzania. Unsafe drinking water is a major cause of water-related diseases that predominantly affect people living in developing countries. In ... -
Optimization of sub- and supercritical water gasification of rice husk enhanced with iron-doped alkaline-earth catalysts
(NM-AIST, 2022-05)Biomass is a promising renewable energy source widely available worldwide, particularly in developing countries where clean and affordable energy is a major problem. Biomass gasification is an attractive technology ... -
Origin and mechanisms of high salinity in Hombolo Dam and groundwater in Dodoma municipality Tanzania, revealed
(Springer Nature Switzerland AG., 2017-05-12)The Hombolo dam (HD), in central Tanzania, is a shallow reservoir characterized by high salinity that limits its use for human activities. The origin of the salinity, mechanisms of reaching and concentrating in the dam ... -
Overview of feed resources condition and feeding practices among the smallholder dairy farmers in Tanzania
(RUFORUM Working Document Series, 2016)In Tanzania, most smallholder dairy farmers rely on on-farm resources for feeding their livestock. These on-farm feed resources include grasses, legumes, crop residues, cereals and oilseed byproducts. These feed resources, ... -
Pangani River Basin over time and space: On the interface of local and basin level responses
(Elsevier, 2011-09)As the pressure on the water resources mounts within a river basin, institutional innovation may occur not as a result of a planned sequence of adjustments, but arising out of the interplay of several factors. By focusing ... -
Performance analysis of a runner for gravitational water vortex power plant
(Wiley & Sons Ltd, 2022-02-14)Micro-hydropower can be used to meet the needs of both isolated and rural com munities for electricity. Due to its inexpensive initial investment, simple design, easy maintenance and low-head utilisation, the gravitational ... -
Performance analysis of standalone solar PV panel: case study of Arusha, Tanzania
(NM-AIST, 2019-03)The purpose of this study was to carry out experimental and theoretical performance analysis of standalone solar Photovoltaic (PV) panel in tropical region. The study concentrated on the influence of poor PV panel positioning ... -
Performance assessment of solar dryer integrated with heat energy storage system for food preservation
(NM-AIST, 2022-01)Solar energy is regarded as a clean form of energy because solar radiation can be transformed into heat energy for different applications such as heating water, generating power, cooking, and drying food products. The ... -
Performance evaluation of in situ Fenton-mediated photocatalysis of industrial dye effluent with enhanced TiO2 nanoparticle
(IWA Publishing, 2023-05-17)Effluents resulting from the frequent use of industrial azo dyes in textile operations have posed great toxicological impacts on man and the environment. The limitations of conventional treatment infrastructure necessitate ... -
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 ... -
Performance investigation of the slaughterhouse wastewater treatment facility: a case of Mwanza city slaughterhouse, Tanzania
(NM-AIST, 2021-01)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 ... -
Performance of constructed wetland integrated with sand filters for treating high turbid water for drinking
(IWA Publishing, 2017-03)The feasibility of constructed wetland integrated with sand filters (CW-SFs) for treating high turbid water for drinking was investigated. Turbid water of .1,000 NTU from Nadosaito dam in Monduli District, Tanzania was ...