Recovery of direct CO2 emissions (from methanization)
CO2 reuse from anaerobic digestion
Quizzed article REF: G1818 V1
Recovery of direct CO2 emissions (from methanization)
CO2 reuse from anaerobic digestion

Authors : Laurent DUMERGUES, Christine PEYRELASSE

Publication date: August 10, 2022, Review date: January 24, 2024 | Lire en français

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3. Recovery of direct CO2 emissions (from methanization)

The CO 2 emissions concerned in the remainder of this article are those from off-gas purge gases (shown as (3) in figure 7 ). They are derived from biogas (composed of 35 to 50% CO 2 by volume) generated by methanization and result, after purification, in an effluent composed of 90 to 99% CO 2 of biogenic origin and 1 to 5% methane.

In order to be valorized, CO 2 must pass through a supply...

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