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Biogas System

Biogas is combination of gases that occurs naturally from decomposition of organic matters under anaerobic condition (none of oxygen). The gases mainly comprises of methane gas (CH4) approximately 50-70% (by volume), carbon dioxide gas (CO2) about 30-40%, and the rest is other gases such as hydrogen sulfide (H2S), nitrogen (N) and water vapor.

Biogas Production Process

Methanogen bacteria is the low growth type bacteria, and highly sensitive to its living environment. The suitable pH of this bacteria environment is in the range of 6.8-7.2. The temperature is also sensitive to its activity. The nutrients required for the growth of methanogen bacteria has to be in simplified form, which mostly rely on activities of hydrolysis bacteria and acid former bacteria, and hence all groups of bacteria are needed to live and work together in a complex-relative ecology system.