Research Articles [MEWES]: Recent submissions
Now showing items 321-340 of 474
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LPG-Fueled Vehicles: An Overview of Technology and Market Trend
(Automotive Experiences, 2020)This article presents an overview of the technology status and market trends of LPG-fueled vehicles through the literature approach to re-evaluate their future. In the review, it is discovered that LPG vehicles are ... -
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 ... -
Storage and thermal stability of biodiesel produced from manketti nut oil of Southern Africa origin with the infuence of metal contaminants and antioxidants
(Springer Nature Switzerland AG., 2020-04-20)Biodiesel has widely been produced from common edible oils; however, food versus fuel conficts has motivated researchers to search for other less common feedstock for production of biodiesel. Thus, this study investigates ... -
Removal of fluoride from water using activated carbon fibres modified with zirconium by a drop-coating method.
(Elsevier Ltd, 2020-09-01)Metal-modified carbon materials have been widely used for fluoride removal, but the traditional impregnation by soaking method suffers from low loading of metals and substantial use of chemicals. This study proposed a new ... -
Low-cost far-field wireless electrical load monitoring system applied in an off-grid rural area of Tanzania
(Elsevier Ltd., 2020-08)Despite the rapid development of Internet of Things (IoT) technology, there is still a lack of practical wireless energy monitoring methods that can be implemented directly in rural areas with undeveloped infrastructure. ... -
Suitability of selected vegetable tannins traditionally used in leather making in Tanzania
(Elsevier Ltd., 2020-04-01)The use of chromium salt has dominated in tanning industry worldwide due to its high versatility in quality leather production. However, Environmental concerns of chromium have shifted the interest of current research to ... -
Tamarindus Indica fruit shell ash: a low cost and effective catalyst for biodiesel production from Parinari curatellifolia seeds oil
(Springer Nature Switzerland AG., 2019-02-21)The study evaluated the potential use of agricultural waste, Tamarindus indica fruit shell ash, as a solid base catalyst for production of biodiesel. The catalyst was prepared by calcination of T. indica fruit shell at ... -
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 ... -
Complex Hydrides Li2MH5 (M = B, Al) for Hydrogen Storage Application: Theoretical Study of Structure, Vibrational Spectra and Thermodynamic Properties
(Science Publishing Group, 2015-12-18)Gaseous lithium complex hydrides Li2MH5 (M = B, Al) have been studied using DFT/B3P86 and MP2 methods with 6-311++G(d,p) basis set. High content of hydrogen by these materials accord them with good candidacy as a class of ... -
Removal of Selected Heavy Metal Ions from Industrial Wastewater Using Rice and Corn Husk Biochar
(Springer Nature Switzerland AG., 2020-05-12)This study investigated the removal of heavy metal ions from industrial wastewater by using rice and corn husk biochar. The choice of the materials was influenced by their large surface area, abundance of functional groups ... -
Social-ecological assessment of Lake Manyara basin, Tanzania: A mixed method approach.
(Elsevier Ltd., 2020-08-01)The social-ecological system of the Lake Manyara basin (Northern Tanzania), a UNESCO Biosphere reserve (BR) suffers from social-economic and environmental problems due to decreasing water levels, erosion and land and water ... -
Alternative tanning technologies and their suitability in curbing environmental pollution from the leather industry: A comprehensive review.
(Elsevier Ltd., 2020-04-18)Chrome tanning remains the most favourite technology in the leather industry worldwide due to its ability to produce leather with attributes desirable for high-quality leather such as excellent hydrothermal stability, ... -
Analysis of spatio-temporal climate variability of a shallow lake catchment in Tanzania
(IWA Publishing, 2020-04-06)This study analyzed the trends and spatio-temporal variability in rainfall and temperature, and the length of the rainy season (LRS) in the Lake Manyara catchment, Tanzania, covering a period between 1988 and 2018 using ... -
Manufacturing of Functionally Graded Porous Products by Selective Laser Sintering
(Scientific.Net, 2009-10)Selective laser sintering (SLS) is a rapid prototyping technique which is used to manufacture plastic and metal models. The porosity of the final product obtained by SLS can be controlled by changing the energy density ... -
Predicting the lowest effluent concentration in capacitive deionization
(Elsevier B.V., 2013-08-30)Capacitive deionization (CDI) is a promising technology for desalination of brackish water with different applications such as in the pharmaceutical industry, semiconductor manufacturing, and domestic use. The CDI cell ... -
Ultrapure water from seawater using integrated reverse osmosis-capacitive deionization system
(Taylor & Francis Online, 2013-12-19)The use of water for particular application depends on its purity level. In accordance with the world health organization, water with total dissolved salts (TDS) less than 500 ppm can be considered good for human consumption. ... -
Integrating reverse electrodialysis with constant current operating capacitive deionization
(Elsevier Ltd., 2014-12-15)The presence of a salinity gradient between saline water streams may result in the production of electricity via either reverse electrodialysis (RED) or forward osmosis. While the former system generates electricity because ... -
Production of graded porous polyamide structures and polyamide-epoxy composites via selective laser sintering
(SAGE Publications, 2014-02-07)Selective laser sintering was used for producing uniformly porous and graded porous polyamide structures. The porous structures were infiltrated with epoxy to produce composites. The porous and composite specimens were ... -
Combined reverse osmosis and constant-current operated capacitive deionization system for seawater desalination
(Elsevier B.V., 2014-07-01)There is an increase in the use of water purification technologies to produce the purified water from saline water. The desalination process may either involve the use of a single desalination technology, or may include ... -
Hybrid Reverse Osmosis‐Capacitive Deionization versus Two‐Stage Reverse Osmosis: A Comparative Analysis
(John Wiley & Sons, Inc., 2014-06-06)Reverse osmosis (RO) is a high‐pressure single‐phase desalination process used to obtain freshwater from seawater/brackish water. The RO system shows high energy consumption for a given unit volume of pure water produced. ...