Browsing Research Articles [MEWES] by Title
Now showing items 371-390 of 474
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A review of the challenges and opportunities for water reuse in irrigation with a focus on its prospects in Tanzania
(Int. J. Environmental Engineering, 2015)Water reuse is one of the potential ways to complement the existing portable water sources. Its adoption is becoming of interest due to water shortages in many parts of the world. Its implementation is supported by several ... -
Review of the stability of biodiesel produced from less common vegetable oils of African origin
(South African Journal of Science, 2015-09-25)The stability of biodiesel is dependent on storage conditions such as contact with ambient air and metals, exposure to sunlight and high temperature conditions which accelerate oxidation reactions. In addition, biodiesels ... -
A Review on Computational Fluid Dynamics Applications in the Design and Optimization of Crossflow Hydro Turbines
(Hindawi, 2021-10-15)In recent years, advances in using computational fluid dynamics (CFD) software have greatly increased due to its great potential to save time in the design process compared to experimental testing for data acquisition. ... -
A Review on Contaminants of Emerging Concern in the Environment: A Focus on Active Chemicals in Sub-Saharan Africa
(MDPI, 2021-12-22): Active chemicals are among the contaminants of emerging concern that are rarely covered in regulatory documents in sub-Saharan Africa. These substances are neither in the list of routinely monitored substances nor in ... -
A Review on Degradation Improvement of Sisal Fiber by Alkali and Pozzolana for Cement Composite Materials
(Taylor & Francis, 2024)Sisal fiber employment in concrete improves its post-crack strength, but sisal fiber degrades due to moisture and cement mineralization. Many researchers used alkaline and pozzolanic techniques to treat sisal fiber in ... -
A review on opportunities for the development of heat pump drying systems in South Africa
(South African Journal of Science, 2014-05-28)Recently, it has been discovered that heat pump drying is an efficient method of drying for drying industries. Heat pumps deliver more heat during the drying process than the work input to the compressor. Heat pump drying ... -
A review on strategies to optimize metabolic stages of anaerobic digestion of municipal solid wastes towards enhanced resources recovery
(BioMed Central Ltd, 2019-12-17)Recently, there are increased efforts by municipals and researchers to investigate the potential of utilizing municipal solid wastes (MSW) for resources recovery. In many parts of developing countries, MSW is mostly collected ... -
A review on strategies to optimize metabolic stages of anaerobic digestion of municipal solid wastes towards enhanced resources recovery
(BMC, 2019)Recently, there are increased efforts by municipals and researchers to investigate the potential of utilizing municipal solid wastes (MSW) for resources recovery. In many parts of developing countries, MSW is mostly collected ... -
Rheological and Physicochemical Analysis of Nonedible Oils Used for Biodiesel Production
(ACS Omega, 2022-10-13)Rheological and physicochemical characteristics of edible oils used for biodiesel production are well established; nonetheless, the rheological and physicochemical characteristics of nonedible oils are yet to be established. ... -
The Role of Statutory and Local Rules in Allocating Water between Large- and Small-Scale Irrigators in an African River Catchment
(Elsevier, 2012-01)This paper presents a case study of large- and small-scale irrigators negotiating for access to water from Nduruma River in the Pangani River Basin, Tanzania. The paper shows that despite the existence of a formal statutory ... -
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 ... -
Seasonal and spatial variation of surface current in the Pemba Channel, Tanzania
(PLOS ONE, 2019-01-07)The surface current speeds within the Pemba channel were examined using 24 years of drifter data received from the Global Drifter Program. This study aimed to uncover varying surface current in the Pemba Channel in different ... -
Seasonal profitability of soil and water conservation techniques in semi-arid agro-ecological zones of Makanya catchment, Tanzania
(Elsevier B.V., 2021-01-01)Soil and water conservation techniques are known to be profitable and widely promoted in sub-Saharan Africa. However, how their profitability vary across cropping seasons has not been fully explored. Thus, farmers are often ... -
Seasonal variability of vertical patterns in chlorophyll-a fluorescence in the coastal waters off Kimbiji, Tanzania
(Western Indian Ocean Journal of Marine Science, 2021-09-24)A study on the vertical pattern of chlorophyll-a (Chl-a) fluorescence was undertaken in the Mafia Channel off Kimbiji, Tanzania. Data was collected during the Southeast Monsoon (SEM) and Northeast Monsoon (NEM) seasons. ... -
Seasonal variation in benthic macroinvertebrate assemblages and water quality in an Afrotropical river catchment, northeastern Tanzania
(Elsevier, 2020-05)Population growth and economic development have resulted in increased water demands, threatening freshwater resources. In riverine ecosystems, continuous monitoring of the river quality is needed to follow up on their ... -
Seasonal water chemistry variability in the Pangani River basin, Tanzania
(Springer, 2017-09-17)The stable isotopes of δ18O, δ2H, and 87Sr/86Sr and dissolved major ions were used to assess spatial and seasonal water chemistry variability, chemical weathering, and hydrological cycle in the Pangani River Basin (PRB), ... -
Semi-Transparent Building Integrated Photovoltaic Solar Glazing: Investigations of Electrical and Optical Performances for Window Applications in Tropical Region
(Hindawi, 2019-12-17)Integrating solar PV technology with semi-transparent windows permits multifunctional operation as electricity generation and allowing natural light to enter the building, hence overall energy efficiency improvement. The ... -
Short-term load forecasting in a hybrid microgrid: a case study in Tanzania
(Journal of Electrical Systems, 2019)Most emerging countries such as Tanzania are promoting rural electrification through installation of microgrids. This paper proposes an approach for short-term day-ahead load forecast in rural hybrid microgrids in emerging ... -
Simulation and optimisation of the pyrolysis of rice husk: Preliminary assessment for gasification applications
(Elsevier B.V., 2020-09)Thermochemical conversion of biomass into useful products is a promising route to harness biofuels. This process is clean, renewable and can reduce the use of fossil fuel. In this study, SuperPro Designer (SPD) software ... -
Simulation and performance analysis of municipal solid waste gasification in a novel hybrid fixed bed gasifier using Aspen plus
(Taylor & Francis Online, 2020-08-27)Thermochemical conversion technologies (incineration, gasification, and pyrolysis) have emerged as potential technologies for municipal solid waste management. Incineration is the most common thermo-chemical technology ...