Research Articles [MEWES]: Recent submissions
Now showing items 481-500 of 543
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Column design for groundwater hardness removal using cashew nut shells activated carbon with potential application in low-income communities
(2020-01)tigated. Water hardness has a significant impact on groundwater, especially in arid and semi-arid regions, leading to wasted investments in borehole drilling and worsening accessibility to potable water. In many developing ... -
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 ... -
Influence of aging conditions on textural properties of water-glass-based silica aerogels prepared at ambient pressure
(Springer US, 2010-06-04)The experimental results of aging time and temperature on the textural properties of water-glass (sodium silicate)-based silica aerogels are reported and discussed. Aging of the hydrogel for different times and temperatures led ... -
Microbial Diversity in Bushmeat Samples Recovered from the Serengeti Ecosystem in Tanzania
(Scientific Reports, 2019-12-02)Bushmeat, the meat and organs derived from wildlife species, is a common source of animal protein in the diets of those living in sub-Saharan Africa and is frequently associated with zoonotic spillover of dangerous ... -
Preparation of aluminium sulphate from kaolin and its performance in combination tanning
(SN Applied Sciences, 2019-07-25)Leather making commonly use chromium salts to produce high quality products. However, the use of chromium salts is compromised by environmental safety concerns. Combination tanning using vegetable tanning coupled with ... -
Biodiesel production by sulfated mesoporous titania–silica catalysts synthesized by the sol–gel process from less expensive precursors
(Elsevier, 2012-11-21)A sulfated titania–silica composite (S-TSC) was obtained through surface modification of mesoporous titania–silica composite synthesized using less expensive precursors; titanium oxychloride and sodium silicate as titania ... -
Characterization of Polycaprolactone and Rice Husk Silica Composite (PCL-SiO2) by E-Spinning to Apply Supporter for Drug Release
(IOP Publishing Ltd, 2017)Abstract. Polycaprolactone (PCL) is an interesting material to apply biomedical field owing to its biodegradability and biocompatibility which is suitable for a specific site with longer healing times. Blending the polymer ... -
Quantitative recovery of high purity nanoporous silica from waste products of the phosphate fertilizer industry
(Elsevier, 2013-01-25)This study reports on the quantitative recovery of high purity nanoporous silica from wastes material (H2SiF6) of the phosphate fertilizer industry and Na2O·SiO2. The silica recovered from the wastes was compared with ... -
Synthesis and characterization of micrometer-sized silica aerogel nanoporous beads
(Elsevier, 2012-08-15)Here we report the preparation of micrometer-sized highly nanoporous, relatively trasperant silica aerogel beads with high surface area as well as large pore volume with sizes ranging from 165 to 395 μm. The wet micrometer-sized ... -
Synthesis of mesoporous silica with superior properties suitable for green tire
(Elsevier, 2012-09-25)In this article we report synthesis of mesoporous silica with superior properties for application in green tire (environmentally friendly tire) as filler. The synthesis was done using a newly innovated apparatus which ... -
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 ... -
Avoiding the Use of Exhausted DrinkingWater Filters: A Filter-Clock Based on Rusting Iron
(MDPI, 2018-05-02)Efficient but affordable water treatment technologies are currently sought to solve the prevalent shortage of safe drinking water. Adsorption-based technologies are in the front-line of these efforts. Upon proper design, ... -
Land-Use and Land Cover Changes on the Slopes of Mount Meru-Tanzania
(Current World Environment, 2018-12)Environmental transitions analysis was done in part of the land on the slopes of the foothills of Mount Meru in thirty (30) years’ time from 1986 to 2016 using satellite-derived land use/cover maps and a Cellular Automata ... -
Fluoride Variations in Rivers on the Slopes of Mount Meru in Tanzania
(Hindawi, 2018-01-23)This study reports the variations of fluoride ions in rivers on the slopes of Mount Meru in the northern part of Tanzania. More than 318 water samples were collected from Temi, Nduruma, Tengeru, andMaji ya Chai Rivers in ... -
Contamination of groundwater sources in emerging African towns: the case of Babati town, Tanzania
(Water Practice & Technology, 2018)Assessment of groundwater contamination potential was carried out in Babati, Manyara, Tanzania. Diazotization, cadmium reduction, ascorbic acid, ion selective electrode and membrane filtration analytical methods were used, ... -
Measurement of Pozzolanic Activity Index of Scoria, Pumice, and Rice Husk Ash as Potential Supplementary Cementitious Materials for Portland Cement
(Hindawi, 2017-08-06)This work investigated the properties of scoria and pumice as supplementary cementitious materials (SCMs) for Portland cement and compared to those of rice husk ash (RHA). X-ray fluorescence, X-ray diffraction, and ... -
Metallic iron for water treatment: leaving the valley of confusion
(Springer, 2017-07-31)Researchers on metallic iron (Fe0) for environmental remediation and water treatment are walking in a valley of confusion for 25 years. This valley is characterized by the propagation of different beliefs that have resulted ... -
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 ... -
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), ... -
Nutrients’ distribution and their impact on Pangani River Basin’s ecosystem – Tanzania
(Taylor & Francis Group, 2017-05-05)Surface and groundwater from Pangani River Basin (PRB) were sampled in dry and wet seasons, analysed for dissolved organic and inorganic nutrients (N, P, Si and Urea). There was spatial and seasonal nutrients’ variability, ...
