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Lignocellulosic gasification (ethylene)


Technology Description

Ethylene (C2H4) can be produced from bio-ethanol (C2H6O) via dehydration processes. The bio-ethanol could be produced from lignocellulosic biomass (e.g. woody crops, agricultural residues) through gasification to produce a syngas and subsequent conversion into ethanol by fermentation or catalytic conversion.

Relevance for Net Zero

This production route would avoid the direct use of fossil fuels in ethylene production from the widely established fossil-feedstock based steam crackers. Further development of technologies and cost reductions for converting lignocellulosic biomass to bioethanol would be needed to make this route an option for bioethylene production, but would have the advantage of more readily available biomass feedstock. This technology may face difficulty in competing with alternatives, given limited availability of sustainable biomass and competition with other end uses.

Key Countries

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