Browsing School of Physical Sciences (Phys-Sciences) Collection by Type
Now showing items 21-40 of 294
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Assessing the energy content of briquettes made from various sun dried and carbonized organic wastes
(Makerere University, 2023-01-18)This study was carried out with the main purpose of assessing the calorific values or energy contents of briquettes made from various carbonized and sun-dried raw materials. Briquettes are useful renewable, cost-effective ... -
Assessing the impact of rust on the quality of crude oil from the geo-samples store, Entebbe Uganda
(Makerere University, 2024-09)This study investigated the effects of rust contamination, primarily composed of Iron oxides, on the quality of crude oil samples stored in steel containers. It focused on viscosity and API gravity alterations. The objectives ... -
Assessment of hydroquinone in selected cosmetic products sold on the market within Kampala.
(Makerere university, 2022-05-19)This study was aimed at determining the hydroquinone content of selected skin care products existing in the Ugandan market. Fourteen (14) skin care cosmetic products were obtained from a shop in Downtown Kampala and analyzed ... -
Assessment of N-Nitrosomes as a chemical used in male latex condoms
(Makerere University, 2022-05)Given the increasing amount of exposure of nitrosamines through different products like processed food, rubber products like condoms it is very important to avoid or reduce the amount of nitrosamine exposure. And in this ... -
Assessment of the causes of blockages in the preheater cement kilns
(Makerere University, 2019-06-21)The study shows that as material flows down the preheater (in the production of cement from limestone) to towards the kiln burning zone, alkalis, sulphur and chlorides volatilize due to the high temperatures and are carried ... -
Assessment of the composition and quality of rainwater obtained from rooftops/ironsheets of different homesteads and industrial areas around kampala.
(Makerere University., 2023-08-21)This research focuses on the analysis and assessment of the current composition and quality of rainwater samples that were collected from the rooftops of different households and open spaces or free atmosphere around ... -
Base catalysed transesterification of used cooking oil to biodiesel.
(Makerere University, 2022-03-30)Biodiesel from Used Cooking Oil (UCO) is an effective alternative fuel for conventional diesel and can be directly used as fuel in a diesel engine without any modifications to the engine. It has many positives like high ... -
Biodiesel production from shea nuts: parametric studies on optimization of oil extraction and transesterification
(Makerere University, 2022-03)This work focused on parametric optimization of both oil extraction and transesterification during biodiesel production from locally sourced shea nuts. In this study, oil was extracted from shea nut kernel by soxhlet ... -
Bioethanol production from banana peels
(Makerere university, 2023-11-30)Banana peels are lignocellulosic agricultural waste that has the potential to produce bioethanol as a renewable form of energy. This study proved that banana peels can be a source of bioethanol. The collected banana peels ... -
Biogas production by anaerobic digestion of cow dung.
(Makerere University, 2020-11-24)Biogas is a highly flamable gas produced when organic materials are fermented under anaerobic condition. It contains methane and cabondioxide gas with traces of hydrogen sulphide and water vapour. This project was carried ... -
Biomass substitution with petroleum fuels in drying processes at Hima Cement Limited.
(Makerere University, 2021-03-31)This report represents an evaluation of the feasibility of Biomass fuel substitution with petroleum fuels (that is; Natural gas, liquefied petroleum oils, heavy furnace oil ) in the drying processes at HIMA cement limited ... -
Bioremediation of hexavalent chromium from electroplating wastewater at Luwero Industries Limited using rice husks
(Makerere University, 2022-01-17)In this research, the specificity of wastewaters formed in the surface treatment at LIL and the method of treatment by bioremediation is considered. The purpose of this research is to suggest a cheap and effective chemical ... -
Biosorption of lead II Ions from synthetic waste water using eucalyptus leaves derived adsorbent.
(Makerere university, 2023-10-16)The adsorption of lead ions by eucalyptus leaves was investigated under batch mode. Eucalyptus leaves were chosen because of high removal capacity, low cost and easy accessibility. Characterization of adsorbent such as ... -
Caffeine extraction from spent coffee grounds
(Makerere University, 2024-07)Caffeine(3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione) is a widespread naturally occurring xanthine derivative found in a variety of plants but commonly found in coffee beans and tea leaves. Caffeine containing products ... -
Charging a thermal energy storage system without pump
(Makerere University, 2019-05-21)In Uganda, biomass is about 92% of the total primary energy consumption in form of rewood George [2002], charcoal and crop wastes especially for cooking The use of re wood and charcoal has increased the rate of deforestation ... -
Comparative assessment of physico-chemical properties of commercially available drug brands of Vitamin C tablets
(Makerere University, 2022-11-08)Pharmaceutical products such as tablets are paramount in developing and improving the health sector which steer the economy to a higher level. Over the years, the Ugandan public has developed a bias towards locally ... -
Comparative colour removal from sugar solution using copper II and iron II salts
(Makerere university, 2024-09)The development of colour during sugar processing is a common problem for the sugar manufacturing industry. Therefore, the sugar industry is constantly looking at ways to cost-effectively remove impurity loadings in sugar ... -
A comparative study between sugarcane bagasse gassification and direct combustion during energy production in sugar mills
(Makerere University, 2022-04-26)Bagasse is one of the byproducts of the sugar processing industry. It is a dry fibrous material left after extracting juice from sugarcane and it is usually burnt in boilers to produce electricity and steam. Direct combustion ... -
Comparison of finite time Lyapunov exponents and dispersion for a chaotic fluid flow
(Makerere University, 2021-12)Lagrangian tools such as Absolute Dispersion Relative Dispersion and Finite Time Lyapunov Exponents are used to analyze different chaotic systems in particular fluid flow systems for the case of this study. However, the ... -
The comparison of water quality of two different water sources that is well and spring in Bushenyi ishaka Municipality, Bushenyi District.
(Makerere University, 2021-04-30)The purpose of this study was to find out the relationship between well water quality and spring water quality in Bushenyi Ishaka Municipality, Bushenyi District. The study was guided by the following research objectives: ...