Anaerobic digestion, which produces flammable gas, mostly methane (CH4) and carbon dioxide, is the subject of the biogas technology (CO2). Due to factors such as climate change, falling energy prices, increasing distributed generation, and environmental concerns, the conversion of biomass to energy has surged in recent years, rising from 65 GW in 2010 to 120 GW in 2019. High moisture wastes are more suitable for landfill, digestion, and anaerobic digestion procedures. The capacity of biogas plants was around 19.5 GW by the end of 2019. Organic wastes are the most widely used feedstocks for producing biogas from wastes, including household wastes (food, fruits, and vegetables) or public wet wastes (cafés and restaurants, daily markets, and enterprises' biological wastes), due to their high degradability and significant moisture content. These input items fall under the category of OFMSW (organic portion of municipal solid waste). With the addition of CH4, biogas may be utilised to make transportation fuel or combined heat and power (CHP). When using biogas to create fuel for transportation, either energy is imported to run the plant or some of the biogas is utilised in a small CHP unit to generate the necessary power on-site. The potential profitability from CH4 enriched biogas is greater when replacing Petrol than when replacing Diesel. When burning landfill gas is included in the "do nothing" scenario, importing brown energy for transportation results in higher greenhouse gas production than using gasoline or diesel. Transporting CHP fuel to meet on-site energy needs is the preferred strategy. Only 53% of the biogas produced by this system is exportable, which is a drawback.
Biogas, Biogas Production, Alternative fuel, feedstock, fuel consumption
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