Browsing Materials, Energy, Water and Environmental Sciences by Title
Now showing items 91-110 of 579
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Community awareness on fluoride contaminant sources: a case study at Mount Meru slopes in Northern Tanzania
(International Journal of Biosciences, 2019-10-27)A study was conducted around the slopes of Mount Meru in Arumeru district of Arusha region at Ngarenanyuki ward, to update the awareness of the potential routes of human exposure to unacceptable levels of fluoride. ... -
Comparative sorption isotherms and removal studies for Pb(II) by physical and thermochemical modification of low-cost agro-wastes from Tanzania
(Elsevier, 2018-03)Corn and rice husks, agro-wastes available in large quantities in Tanzania, were used to remove Pb2+ from aqueous solution. Husks were used in raw form, pyrolyzed form, and chemically modified form. Material characterization ... -
Comparative Study of Pb2+ Removals and Isotherms by Physically - and Chemically - Modified Agro - Wastes from Tanzania
(Gwangju Institution of Science and Technology, 2016)Materials and Methods Raw corn and rice husk were washed several times using DIW to remove extraneous dirt and contaminants. The husks were then dried at 110 ºC overnight to remove moisture. Dried husks were then ground ... -
A comparison of aquatic macroinvertebrate and large branchiopod community composition between temporary pans of a conservation area and surrounding communal area in South Africa
(Taylor & Francis Online, 2020-03-08)Although temporary wetlands are often biodiversity hotspots that deliver multiple ecosystem services, they are also threatened by human exploitation. We conducted a comparative field study to investigate the impact of ... -
Comparison of blue and green water fluxes for different land use classes in a semi-arid cultivated catchment using remote sensing
(Elsevier, 2021-08)Study area Kikuletwa catchment, Upper Pangani River Basin, Tanzania. Study focus This study compared yearly blue and green water fluxes using four different methods: Senay’s method (SN) (Senay et al., 2016), van Eekelen ... -
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 ... -
Comprehensive assessment of heat pump dryers for drying agricultural products
(Wiley Online Library, 2022-11-22)Fruits and vegetables are agricultural products that require preservation to enhance and protect shelf life, encapsulate natural flavour, and retain nutritional content. Globally, agricultural products are preserved by a ... -
A comprehensive review on the decontamination of lead(II) from water and wastewater by low-cost biosorbents
(Royal Society of Chemistry, 2022-04-12)The disadvantages of conventional methods in water and wastewater management including the demand for high energy consumption, the creation of secondary toxic sludge, and operation cost are much too high for developing ... -
Computational dynamics of solid waste generation and treatment in the presence of population growth
(Asian Journal of Mathematics and Applications, 2014-05-08)Solid waste management is a global challenge and the situation is worse in urban areas of the developing countries where, in most cases, there are no data of how much solid waste is generated over a specific period of ... -
A computer-based approach for developing linamarase inhibitory agents
(Walter de Gruyter GmbH, 2020-04-18)Cassava is a strategic crop, especially for developing countries. However, the presence of cyanogenic compounds in cassava products limits the proper nutrients utilization. Due to the poor availability of structure discovery ... -
Conceptualization of groundwater-surface water interaction with evidence from environmental isotopes and hydrogeochemistry in lake Babati Basin in Northern Tanzania
(Elsevier, 2023-05)The holistic management of water resources is attainable with evidence-based planning constructed on reliable hydrological information. However, data paucity, especially in sub-Saharan Africa, leads to a significant knowledge ... -
Conceptualizing the Fe0/H2O System: A Call for Collaboration to Mark the 30th Anniversary of the Fe0-Based Permeable Reactive Barrier Technology
(MDPI, 2022-10-03)Science denial relates to rejecting well-established views that are no longer questioned by scientists within a given community. This expression is frequently connected with climate change and evolution. In such cases, ... -
Constraints and opportunities for coffee productivity on the slopes of mt. Kilimanjaro in the face of climate change
(2016-04)Limited scientific information on decreasing productivity of Arabica coffee (Coffea arabica L.) in Tanzania has been observed. Poor agricultural practices, pests, diseases and climate change are among important factors ... -
Contamination assessment and optimization of coagulation-flocculation-sedimentation water treatment process for Kou river in northern Tanzania
(NM-AIST, 2022-06)The Babati Urban Water Supply and Sanitation Authority (BAWASA) in northern Tanzania supplies water from the Kou River to Magugu town for domestic purpose, where its Fe (3.64 mg/L) and turbidity (87 NTU) concentrations ... -
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, ... -
Contribution of Illicit Drug Use to Pharmaceutical Load in the Environment: A Focus on Sub-Saharan Africa
(Hindawi, 2022-07-08)Illicit drug abuse and addiction are universal issues requiring international cooperation and interdisciplinary and multisectoral solutions. ese addictive substances are utilized for recreational purposes worldwide, ... -
Controlling ammonia and sulfide inhibition during anaerobic digestion of slaughterhouse waste
(NM-AIST, 2021)The performance of experimental batch-reactor loaded with slaughterhouse waste at mesophilic temperature was investigated as well as the inhibition of both ammonia and sulfide in the aqueous phase during phase I of ... -
Correction to: Arduino-based low-cost electrical load tracking system with a long-range mesh network
(Springer, 2020)A system that combines the advantage of the long-range (LoRa) communication method and the structural characteristics of a mesh network for an LoRa mesh network-based wireless electrical load tracking system is proposed. ... -
Crustacean derived calcium phosphate systems: Application in defluoridation of drinking water in East African rift valley
(Elsevier B.V., 2018-04-05)Calcium phosphate adsorbents, derived from prawns and crabs shell biomass wastes have been developed using wet chemistry and low temperature treatment. The adsorbents were characterized by X-ray diffractometry and Fourier ... -
Cryptogamic packed biofilter as potential adsorbent for co2, h2s and nh3 impurities from biogas
(NM-AIST, 2020-07)The presence of elevated concentrations of carbon dioxide, hydrogen sulfide, ammonia and trace impurities in biogas affect its caloric value as well as causes corrosion and are extremely toxic. There are various methods ...