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Assessing the Use of Scoria and Steel Slag in Purification of Biogas
(Uganda Christian University, 2025-04-14) Amara Tracy
This report depicts research done to assess the use of scoria and steel slag in biogas purification. Biogas, a renewable energy source, has been employed globally to meet energy demands as an alternative to fossil fuels. It results from anaerobic digestion of organic matter forming methane and impurities that lower gas quality. Need for purification has risen and current purification techniques, while effective, are expensive, inaccessible and energy intensive for medium scale farmers, particularly in developing areas. Scoria and steel slag exhibit physical and chemical properties suitable for adsorption-based purification. This project focuses on medium scale farmers in Namulonge, Wakiso District, where affordable, efficient and accessible purification is essential. Specific objectives involve determining biogas composition, optimum material concentration for purification, design and fabricating a purification unit and determining cost effectiveness of these materials. Achieving these contributes to development of sustainable, cost-effective purification, and improving biogas quality for diverse applications.