Lignin behaviour during wood liquefaction—Characterization by quantitative 31P, 13C NMR and size-exclusion chromatography (original) (raw)

Catalysis Today, 2010

Abstract

A blend of spruce (Picea spp.) and fir (Abies spp.) sawdust was liquefied by an optimized technique in the presence of multifunctional alcohols and p-toluene sulfonic acid monohydrate as a catalyst. The lignin behaviour during wood liquefaction was studied at different reaction times. Samples prepared by the new separation procedure were characterized by quantitative 31P, 13C NMR and by size-exclusion

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