Browsing Materials, Energy, Water and Environmental Sciences by Title
Now showing items 406-425 of 582
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Potentials of agric wastes activated carbons for water softening
(Research Journal in Engineering and Applied Sciences, 2014)Various studies have been conducted to address softening of hard water. Ion exchange, electro-based techniques, membrane filtration and adsorption are the most reported techniques in softening hard water. In the present work, ... -
Predicting land use/cover changes and its association to agricultural production on the slopes of Mount Kilimanjaro, Tanzania
(Taylor & Francis Online, 2021-01-11)Increasing demand for food production results in Land use and land cover (LULC) changes, which afflicts the provision of ecosystem services in high mountain areas. This work used time-series LULC and selected spatial metrics ... -
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 ... -
Preparation and Characterization of Biogenic Chitosan-Hydroxyapatite Composite: Application in Defluoridation
(Cambridge University Press, 2018-02-20)In Northern Tanzania, high levels of fluoride in community drinking water supply is recognized as one of the major public health concern, the problem is further ameliorated by presence Escherichia coli and fecal coliform ... -
Preparation of activated carbon with disered properties through optimization of impregnating agent
(Rjeas, 2014)In this study, activated carbon with desired properties was prepared from peanut shell and sugarcane bagasse using chemical activation method in which potassium hydroxide (KOH) was used as a impregnating agent. The ... -
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 ... -
Prevalence of chronic obstructive pulmonary disease and associated factors among smallholder fish vendors along coastal areas in Tanzania
(BMC Pulmonary Medicine, 2023-08-02)Background In Tanzania little is known about how the respiratory system of small-holder fish vendors is affected by occupational exposure to biomass smoke and other associated factors. This study assessed the prevalence ... -
Production Diversity, Men’s Help with Household Tasks, & Lower Women’s Depression Mediate Impact of an Agriculture Intervention on Child’s Dietary Diversity in Tanzania (FS01-06-19)
(Elsevier, 2019-06-01)Production diversity and women’s empowerment are two ways by which nutrition-sensitive agriculture interventions are thought to improve children’s diet, but, few empirical studies have tested these pathways. We therefore ... -
Production of biodiesel from neem seed oil using calcinated banana ash/ li-cao/fe2(so4)3 blends as a catalyst
(2020-08)Biodiesel is a possible remedy to the present toxic, finite sources and ever-diminishing crude fuels. Non-edible and locally available (Azadirachta indica) Neem Seed Oil (NSO) as a second-generation feedstock was transformed ... -
Production of biogas as a waste management option for textile effluent sludge: a case study of the a to z textile mills ltd
(NM-AIST, 2020-12)Textile effluent sludge management is becoming a major environmental management issue in many agro-processing industries throughout Africa. This is mostly due to the limited and ineffective means of management. This ... -
Production of carbonized briquettes from charcoal fines using African Elemi (Canarium Schweinfurthii) resin as an organic binder
(Taylor & Francis Group, 2021-09-25)This study investigated the use of African Elemi (Canarium Schweinfurthii) resin as a binder for the production of carbonized briquettes from charcoal fines. The binder and charcoal fines were characterized through proximate ... -
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 ... -
Production of low emission briquettes from carbonized faecal sludge as an alternative source of cooking energy
(Springer Nature, 2024)Abstract Background In Tanzania, firewood, charcoal, and agricultural waste play a crucial role in daily life as sources of cooking energy, especially in rural areas. Using these energy sources contributes to deforestation ... -
Propane (HC – 290) as an Alternative Refrigerant in the Food Transport Refrigeration Sector in Southern Africa – a Review
(Universitas Muhammadiyah, 2022)Most of the food transport trucks in Sothern Africa are equipped with refrigeration and air conditioning systems filled with fluorocarbon refrigerants such as R404A to facilitate the heat transfer process. These refrigerants ... -
The properties of feldspathic dental porcelain from Tanzanian aluminosilicate materials
(International Journal of Development Research, 2014-11-18)Kaolin and quartz from Pugu and feldspar from Morogoro were used to produce feldspathic dental porcelain bodies. Mineralogical results from XRD revealed the presence of kaolinite, illite, microcline and clinochlore in the ... -
Prospective Bioactive Compounds from Vernonia amygdalina, Lippia javanica, Dysphania ambrosioides and Tithonia diversifolia in Controlling Legume Insect Pests
(Scientific Research Publishing, 2014-10-22)Synthetic insecticides are widely known to control insect pest, but due to high operational cost, environmental pollution, toxicity to humans, harmful effect on non-target organisms and the de velopment of insect resistance ... -
Qualitative soil moisture assessment in semi-arid Africa – the role of experience and training on inter-rater reliability
(Copernicus Publications, 2015-08-10)Soil and water management is particularly relevant in semi-arid regions to enhance agricultural productivity. During periods of water scarcity, soil moisture differences are important indicators of the soil water deficit ... -
Quantitative assessment of metal contamination and associated pollution risk in sediments from the Mara River in Tanzania
(Springer Nature Switzerland AG., 2020-10-21)For most rivers in sub-Saharan Africa, information about pollution indices related to sediments is sparse. Sedimentological research of rivers that empty into Lake Victoria is highly patchy and wide apart. The present study ... -
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 ... -
A quantity-quality tradeoff: Water quality and poverty assessment of drinking water sources in Southern Tanzania
(NM-AIST, 2023-06)Regardless of being essential for human survival, access to potable water is still a problem in many rural African communities with increasing exposure to waterborne illnesses. This study aimed at establishing accessible ...