ch4 ra h2


Methanogenic archaea are able to tướng convert CO2 and H2 into CH4. This metabolic activity is of uttermost importance to tướng understand the feasibility to tướng store green hydrogen in gas reservoir by transforming it into more stable methane. The goal of this work was to tướng study the impact of several reservoir conditions on the rate of conversion: temperature, pressure, gas/water/rock composition. In the best cases, high degrees of conversion were achieved after only few days. However, other sources of methane were noticed during the experiment probably due to tướng the stimulation of other metabolic processes. Moreover, a strong rock/archaea interaction was underlined.

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Dates et versions

hal-01643113 , version 1 (21-11-2017)


  • HAL Id : hal-01643113 , version 1


Sylvain Stephant, Sébastien Dupraz, Catherine Joulian, Michaela Blessing, R.A. Pérez. Conversion of H2 and CO2 into CH4 by Methanogens as a Potential Way of Energy Storage. Conference of the European Biogas Association, Jan 2018, Anvers, France. ⟨hal-01643113⟩

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