Commonwealth Scientific and Industrial Research Organisation

David Lambourne

Philip Hendry

Process for stimulating and maintaining the activity of a microbial consortia within a subterranean solid carbonaceous medium to produce methane are described. The process comprises the steps of: (A) dosing a first nutrient composition into the microbial consortia environment, (B) monitoring the microbial consortia environment, including the generation of methane therein; (C) dosing a second nutrient composition into the microbial consortia based upon the results of step (B); and (D) repeating steps (B) and (C) and, if required, (E) dosing a further nutrient composition into the microbial consortia environment based upon the results of step (D).

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Carlton North, Australia

David Lambourne