Renewable natural gas and lactic acid production from waste feedstocks - Renewable Natural Gas Innovation Insights - CLIMAX
In the anaerobic digestion process, wet organic wastes are first converted to fatty acids which in turn get converted to methane by select bacteria.
By arresting the methanation process midway, also called “arrested methanogenesis”, it is also possible to produce other chemicals such as lactic acid from the biodigestion process.
This opens up possibilities of the biogas digesters becoming biorefineries that produce chemicals in addition to biogas.
Source: US Dept of Energy
Source: Frontiers in Microbiology
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