The process of biogas production involves three stages. The different organisms involved in each stage are listed below in the table:
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Name of the stage
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Organisms involved
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1.
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Solubilization
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Facultative anaerobic bacteria including Cellulomonas, Eubacteria, Clostridium, Ruminococcus
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2.
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Acidogenesis
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Facultative anaerobic acidogenic bacteria such as Escherichia coli, Clostridium, Actinomyces, Corynebacterium
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3.
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Methanogenesis
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Methanogens i.e. Methane producing anaerobic bacteria like Methanobacterium, Methanococcus, Methanosarcina
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