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Biomass gasification and methanation with CCUS (biomethane)


Technology Description

Similar to the biomass gasification and catalytic methanation route (aka the bioSNG route), but with the addition of CO2 capture and compression following the CO2 removal step during syngas cleaning prior to methanation. Adding carbon capture and storage (CCS) is relatively easy given the pure stream of CO2 inherently produced in the process. Storing the CO2 rather than utilising it creates negative emissions that can offset hard-to-abate emissions elsewhere in the energy system. See non-CCUS variant for more detail.

Relevance for Net Zero

Alternative methods for biomethane production exist (e.g. anaerobic digestion and CO2 separation), and the future demand for biomethane is limited.

Key Countries

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