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This process is commonly used to treat organic waste materials such as manure, sewage sludge, and food scraps, with the aim of generating renewable energy and reducing environmental pollution. The biogas generated during anaerobic digestion is primarily composed of methane and carbon dioxide, which can be used as a substitute for fossil fuels in heating, electricity generation, and transportation. Furthermore, the digestate produced as a byproduct of anaerobic digestion can be used as a nutrient-rich fertilizer. The process of anaerobic digestion involves several stages, including hydrolysis, acidogenesis, acetogenesis, and methanogenesis, where different groups of microorganisms break down the organic matter into simpler compounds through biochemical reactions. This efficient and sustainable waste management method has gained attention worldwide for its ability to mitigate greenhouse gas emissions, recover energy from waste, and promote circular economy principles.