Waste measurement for biogas generation to fulfill the electric energy demand of IUBAT: a case study
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Waste measurement for biogas generation to fulfill the electric energy demand of IUBAT: a case study Md. Jahid Hasan1 · Mahedi Hassan1 · Suman Chowdhury1 Received: 15 February 2020 / Accepted: 15 April 2020 / Published online: 24 April 2020 © Springer Nature Switzerland AG 2020
Abstract For the depletion of fossil fuels, the world is facing an energy crisis. Therefore, a major concern for stakeholders around the world is the need to search for renewable alternative energy. Biogas is a type of bio-fuel that is naturally produced from the decomposition of organic waste. The main objective of this study is to design a biogas generator for utilization of cow dung, kitchen waste, rice waste, paper waste, tissue waste to generate biogas. This produced biogas can be used for generation of electricity for fulfilling the electricity demand of IUBAT—a private organization. Biogas plant is a new source of energy and is suitable for the future needs. This paper reflects the modeling, different types of wastes’ pH measurement and finds out the best waste materials of biogas production digestion process from organic waste and high moisture food processing waste. In Bangladesh, the waste amount is increasing day by day. It is harmful for both our environment and life. So this waste can be a good potential, if it can be used for some valuable purposes. From this view, it can be said that working on Biogas is very important issue for understanding the potentiality of waste. Keywords Biogas · pH value · Load · IUBAT
1 Introduction Biomass is the most promising among the renewable energy sources. Biomass refers to different forms of organic matter including crop residues, product-based agro-industrial, urban and municipal waste, animal dung [1]. A detailed study of world energy demands shows that firewood, charcoal, and crop residues make up more than 75% of the total energy consumed. It means the loss of the forest cover at a faster rate than attempts to raise trees. All of this study implies the loss of the forest cover at a faster rate than attempts to raise trees. Not only the cost involved, but also the very unpredictable weather patterns largely attributed to global warming, electrical power etc. [2, 3]. Anaerobic digestion was theoretically seen as a desirable tool for stabilizing waste before landfills as a
pretreatment to minimize substantial contamination in the atmosphere [4, 5]. And to power a generator that generates electricity, it can be used to fuel internal combustion engines [6]. Biogas typically contains around 55–65% of methane, 30–35% of carbon dioxide and hydrogen, nitrogen and other impurities [7]. The first step includes a group of anaerobic bacteria that produces organic acids as a by-product of the initial organic degradation, known as the acid formers. The second step includes a group of bacteria that breaks down the organic acids and produces methane as a by-product of organic acid degradation [8]. Anaerobic digestion was theoretically seen as a desirable tool for stabilizing waste before landfills as
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