Summary
Methane production by fermentation under pressure is characterised by a reduction of the gas flowrate and a simultaneous increase in the pourcentage of methane. At between O and 4 effective bars, these competing effects give a practically constant production of methane.
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Mangel, G., Villermaux, J. & Prost, C. Methane production under pressure by fermentation of waste materials. European J. Appl. Microbiol. Biotechnol. 9, 79–81 (1980). https://doi.org/10.1007/BF00500005
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DOI: https://doi.org/10.1007/BF00500005