Aspen Bibliography

Lignin and Related Compounds Part 5 the Hydrogenolysis of Aspen Wood Lignin Using Rhodium on Charcoal as Catalyst

Document Type

Article

Journal/Book Title/Conference

Canadian Journal of Chemistry

Volume

56

Issue

7

First Page

896

Last Page

898

Publication Date

1978

Abstract

The hydrogenolysis of aspen lignin using rhodium-on-charcoalas catalyst has been studied. The maximum yield of chloroform-soluble lignin degradation products was obtained at a reaction temperature of 195 °C. Analysis of this chloroform-soluble fraction revealed that the monomeric fraction was composed essentially of the four compounds, 1–4, only, and in a total yield representing at least 40% of the original lignin.Solvent extraction was shown to be preferred over thermal distillation as a preparative procedure for the separation of these phenolic derivatives. The significance of the isolation of these lignin degradation products is discussed.

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