News International Sugar Journal

High yields of aromatics produced from new lignin conversion process [Registered]

Extraction of higher value from lignin is increasingly recognized as being crucial to the economic viability of cellulosic biofuels production. Certain types of lignin (lignosulphonates) may be converted into vanillin and other marketable products, but new technologies are needed to enhance the lignin value chain. Researchers at the University of Wisconsin-Madison have shown that high yields of aromatics may be obtained by exposure of lignin to oxygen followed by treatment with a weak acid under mild conditions. Depolymerization is an important starting point for many lignin valorization strategies, because it could generate valuable aromatic chemicals and/or provide a source of…

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