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Pre-combustion: physical absorption (biomass with CCUS)


Technology Description

In an integrated gasification combined-cycle biomass power plant, biomass is gasified into a synthesis gas, consisting of hydrogen and carbon monoxide. The synthesis gas is shifted in a water-gas-shift (WGS) reaction to produce additional hydrogen and convert the carbon monoxide into carbon dioxide. The CO2 is then captured from the shifted syngas using physical separation processes, such as adsorption, and afterward, the remaining hydrogen (H2) is combusted in a combined-cycle gas turbine that generates power.

Relevance for Net Zero

Technology can provide negative emissions (provided that the CO2 is permanently stored) needed to offset remaining positive emissions in other parts of the energy system in order to reach net zero.

Key Countries

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