Research Articles [MEWES]: Recent submissions
Now showing items 61-80 of 503
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Effects of Raw and Different Calcined Bentonite on Durability and Mechanical Properties of Cement Composite Material2024
(Elsevier, 2024-02-22)Bentonite is a natural pozzolanic material mostly composed of SiO2 and employed in cementing materials for the reduction of cement consumption and CO2 emission besides improving perfor- mance of cement composite material ... -
The Assessment of Heavy Metals and Natural Radioactivity in the Phosphate Tailings at Minjingu Mines in Tanzania
(Journal of Ecological Engineering, 2024-04-12)Extraction and processing of the phosphate rocks has produced a massive amount of waste and posed a significant environmental concern. The majority of wastes generated in the fertiliser industry are overburden or waste ... -
High-frequency dynamics of pH, dissolved oxygen, and temperature in the coastal ecosystems of the Tanga- Pemba Seascape: implications for upwelling-enhanced ocean acidification and deoxygenation
(Frontiers, 2024-01-08)Ocean acidification, deoxygenation, and warming are three interconnected global change challenges caused by increased anthropogenic carbon emissions. These issues present substantial threats to marine organisms, ecosystems, ... -
Modelling and optimization of multiple replacement of supplementary cementitious materials for cement composite by response surface method.
(Elsevier Ltd., 2024-03-07)Supplementary cementitious materials are beneficial in improving performance and lessening the cement con- sumption with highly lessening CO2 emission. Many researchers used blast furnace slag, bentonite, and active limestone ... -
Thermal Performance and Technoeconomic Analysis of Solar-Assisted Heat Pump Dryer Integrated with Energy Storage Materials for Drying Cavendish Banana (Musa acuminata)
(Hindawi, 2024-02-02)This study examines a novel solar-assisted heat pump dryer integrated with a thermal energy storage system using soapstone as storage material. The dryer is investigated through experimental analysis across three operating ... -
Carbon dioxide removal using a novel adsorbent derived from calcined eggshell waste for biogas upgrading
(ELSEVIER, 2023-11-22)The existence of CO2 in biogas limits its utilization in engines by lowering its energy value and density. It contributes to global warming which is a major concern globally. The elimination of CO2 content from biogas will ... -
Effect of Natural Pozzolana on Physical and Mechanical Properties of Concrete
(Hindawi, 2024-02-13)Construction industries are rapidly growing, sacking high amounts of concrete which has a highly dense microstructure with excellent mechanical properties, more durable, and highly eco-friendly materials. Hence, many of ... -
Tanning capacity of Tessmannia burttii extracts: the potential eco-friendly tanning agents for the leather industry
(2021-05-15)In the present study, the tannins from stem and root barks of Tessmannia burttii Harms (Caesalpiniaceae), a plant species abundantly growing in Tanzania and other parts of Africa, were investigated for their suitability ... -
Facile biosynthesis of Ag–ZnO nanocomposites using Launaea cornuta leaf extract and their antimicrobial activity
(NM-AIST, 2013-11-14)The quest to synthesize safe, non-hazardous Ag–ZnO nanoomposites (NCs) with improved physical and chemical prop- erties has necessitated green synthesis approaches. In this research, Launaea cornuta leaf extract was ... -
Enhancing Innovation and Collaboration in the Leather Processing Industry: A Case Study of the KIWANGO Leather Cluster
(NM-AIST, 2013)In the era of Industry 4.0, fostering innovation through strong collaboration among universities, industry, and government is crucial. However, the Tanzanian economy has faced challenges due to weak links between these ... -
Uranium Dissemination with Phosphate Fertilizers Globally: A Systematic Review with Focus on East Africa
(MDPI, 2024-01-09)Growing concern has been expressed about uranium (U) accumulation in agricultural soils caused by the long-term application of mineral fertilizers. More than 80% of naturally occurring U transfers from phosphate rock ... -
Characterization of soil health and nutrient content status across the North-East Maasai Landscape, Arusha Tanzania
(Elsevier B.V., 2024-01-19)Soil fertility management has been a great challenge to smallholder farmers in the Northern Tanzania, especially in the Maasai landscape. Therefore understanding the nutrient status become important to forecast ... -
Analysis of land use and land-cover pattern to monitor dynamics of Ngorongoro world heritage site (Tanzania) using hybrid cellular automata-Markov model
(Elsevier, 2022)Assessment of land-use and land-cover (LULC) change of any region is one of the prominent features used in environmental resource management and its overall sustainable development. This study analyzed the LULC changes ... -
Removal of heavy metals from binary and multicomponent adsorption systems using various adsorbents – a systematic review
(Research Society of Chemistry, 2023)The ecosystem and human health are both significantly affected by the occurrence of potentially harmful heavy metals in the aquatic environment. In general, wastewater comprises an array of heavy metals, and the existence ... -
Recent advances in thermochemical conversion of biomass into drop-in fuel:a review
(Elsevier, 2022)The global evolutional changes towards the use of renewable energy sources for trans- portation purposes are on the increase in an attempt to mitigate the environmental haz- ard and the proposed depletion associated with ... -
Catalytic hydrothermal liquefaction of orange peels into biocrude: An optimization approach by central composite design
(Elsevier, 2023)Global instability, persistent increase in pump-price, inflation and depletion of fossil fuel resources amidst the continuous discharge of greenhouse gases from fossil fuels combustion call for urgent attention. The ... -
The Potential of Underutilized Plant Resources and Agricultural Wastes for Enhancing Biodiesel Stability: The Role of Phenolic- Rich Natural Antioxidants
(Hindawi, 2023)Growing concerns about energy security and environmental sustainability have fueled demand for sustainable and renewable energy sources in recent years. Biodiesel, a renewable alternative to conventional fuels, has gained ... -
Viability of non-edible oilseed plants and agricultural wastes as feedstock for biofuels production: A techno-economic review from an African perspective
(Biofpr, 2023)Given the benefits of biofuels over conventional fuels, there is concern that widespread production of biofuels from edible feedstocks to meet demand will lead to food insecurity and other socioeconomic challenges. Thus, ... -
Characteristics of briquettes from plastic pyrolysis by-products
(MESI, 2023)Pyrolysis has been proven as a method to reduce plastic waste and produce useful products, especially liquid fuels. However, plastic pyrolysis also produces gases and char as by-products which are being investigated for ... -
Invasive weeds with pesticidal properties as potential new crops
(Elsevier, 2017)Plants with pesticidal properties have been investigated for decades as alternatives to synthetics, but only a handful have been commercialised and developed as non-food cash crops. One of the reasons why pesticidal plants ...