Browsing Materials, Energy, Water and Environmental Sciences by Title
Now showing items 110-129 of 582
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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 ... -
Cryptogamic Packed Biofilter as Potential Adsorbent for CO2, NH3, and H2S Impurities from Biogas
(Hindawi, 2020-07-07)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 is extremely toxic. There are various methods ... -
Current status of textile wastewater management practices and effluent characteristics in Tanzania
(IWA Publishing, 2021-04-05)Textile wastewater from wet processing units is a major environmental problem. Most chemicals, including dyes, are only partly consumed, resulting in highly colored wastewater containing a variety of chemicals released ... -
Data from the batch adsorption of ciprofloxacin and lamivudine from synthetic solution using jamun seed (Syzygium cumini) biochar: Response surface methodology (RSM) optimization
(Elsevier, 2023-02)This dataset expresses the experimental data on the batch adsorption of ciprofloxacin and lamivudine from synthetic solution using jamun seed (JS) (Syzygium cumini) biochar. Independent variables including concentration ... -
Decentralized Environmental Governance: A reflection on its role in shaping Wildlife Management Areas in Tanzania
(Tropical Conservation Science, 2015-12-01)Decentralised environmental governance has become a catchy solution to environmental problems caused by the failure of traditional centralised environmental governance. It promises to transfer power and authority, improve ... -
The decline in phytoplankton biomass and prawn catches in the Rufiji-Mafia Channel, Tanzania
(African Journals Online, 2016-11-27)The world’s oceans have seen significant declines in phytoplankton-the primary food source in the marine environment. This decline in primary producers is likely to impact the food chain and functions of most coastal and ... -
Defluoridation of Water Supplies Using Coconut Shells Activated Carbon: Batch Studies
(IJSR, 2014)Drinking water with elevated fluoride levels results in serious irreparable health problem that has attained an alarming dimension all over the world, Tanzania being one of the affected countries; techniques have been ... -
Demand-SideManagement of Solar Microgrid Operation: Effect of Time-of-Use Pricing and Incentives
(Hindawi, 2020-06-05)Over 17% of the world’s population lack access to electricity, the majority being in rural areas of sub-Saharan Africa and South Asia. Microgrid technologies are a promising solution towards rural and remote area ... -
Desalination using capacitive deionization at constant current
(Elsevier B.V., 2013-11-15)Capacitive deionization (CDI) is an emerging technology of desalinating brackish/seawater to attain freshwater. The process involves polarization of the two electrodes electrically using direct current; thus the cations ... -
Design and Performance Analysis of Composite Airfoil Wind Turbine Blade
(University of Dar es Salaam, 2021)Small horizontal axis wind turbine rotors with composite airfoil rotor blades were designed and investigated in the present study in order to improve its performance in low wind speed and low Reynolds number (Re) conditions ... -
Design of controlled release fertilizers on the base of polymeric, nanoclays and nanocomposite excipients
(2016-04)It was hypothesised that agronomically suitable controlled release fertilizers (CRFs) can be prepared using synthetic and/or natural biopolymers and polymer-clay nanocomposite excipients. Literature has focused almost ... -
Development and Characterization of Nanovesicles Containing Phenolic Compounds of Carissa spinarum: Encapsulation, Release Kinetics, Antimicrobial Activity and Mathematical Modeling
(Trans Tech Publications Ltd, 2023-05)The aim of this study was to develop and characterize a delivery system for polyphenols from an extract of Carissa spinarum leaves, based on liposomes. Liposomes loaded with Carissa spinarum polyphenols (nanoliposomal CsP) ... -
Development of a cost-benefit analysis approach for water reuse in irrigation
(Science Publishing Group, 2014-10-10)Water reuse is one of the alternatives to counteract the already experienced water shortages. However water reuse as any other investment is associated with costs. This article looks at water reuse for irrigation as one ... -
Development of a suitable pragmatic and cost effective biomonitoring method for assessing water pollution in tropical African rivers
(NM-AIST, 2015-09)The needs of tropical African countries to develop their own biomonitoring indices using local macroinvertebrates as opposed to adoption or relying on non-tropical indices in biomonitoring programmes for assessing freshwater ... -
Differentiated Access: Challenges of Equitable and Sustainable Groundwater Exploitation in Tanzania
(Water Alternatives, 2018)Groundwater is an important resource for a large share of the global population and economies. Although groundwater dependence in most sub-Saharan African countries is relatively low at the national level, localized ... -
Distribution and yield of trace metals from the foot of Mount Kilimanjaro to the coastal of Indian Ocean: impacts of natural and anthropogenic factors
(ESS Open Archive, 2022)Cases of water related diseases due to metal pollution are increasing over the global. The condition is serious to most of developing countries as a results of industrialization and population growth. Dissolved and particulate ... -
Distribution of fluoride in beans and maize grown along the slope of Mount Meru, Tanzania
(Journal of Biodiversity and Environmental Sciences, 2019-11-30)This study assessed the uptake and distribution of fluoride in maize and beans grown in fluoride contaminated soils, (Ngarenanyuki) around Mount Meru in Northern Tanzania during the rainy season. The study revealed that ... -
Distribution of organic carbon: possible causes and impacts in the Pangani River Basin ecosystem, Tanzania
(CSIRO PUBLISHING, 2018-06-08)There is limited information on organic carbon in African rivers, especially from the eastern side. Here, we report distribution and impacts of total suspended matter (TSM), and dissolved and particulate organic carbon ... -
Diversity and quantity of macro-and microplastics in irrigation farms sourcing water from an urban river: a case of Arusha Tanzania
(NM-AIST, 2021-10)Increased concentration of plastics in urban rivers and agricultural farms causes degradation of river system functionality and reduces the productivity of agricultural soils, respectively. This study assessed the ... -
Does variation in plant diversity and abundance influence browsing intensity in black rhinos?
(WILEY, 2023-09)Variations in forage availability, selection and preferences can lead to intense forag- ing competition and depletion of food consequently lowering diet quality and popula- tion performance of black rhino species. This ...