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Lignin extraction-Precipitation and acidification


Technology Description

Isolating lignin from wood pulp could enable use of lignin for new industrial products, such as chemicals, or for use as a biofuel in boilers or lime kilns. Precipitation and acidification is one of the methods under exploration.

Relevance for Net Zero

The technology can provide additional sources of biomass for use in other applications, which could be valuable given that there is an upper limit on the potential for sustainable biomass. However, this technology does not directly reduce pulp and paper industry emissions.

Key Countries

United States, Canada, Finland, Brazil

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