Studies on the delignification of spruce wood by organosolv pulping using SEM-EDXA and TEM

D. Fengel, G. Wegener, A. Greune

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Samples of spruce wood derived from various stages of organosolv pulping were studied by SEM-EDXA and TEM. During the first stage (methanol-water) the lignin content of the secondary walls decreased slowly, whereas in the compound middle lamellae only the reactivity of lignin increased. During the subsequent stage (methanol-NaOH) the delignification proceeded fast in both layers but the residual lignin content in the compound middle lamellae remained higher than in the secondary walls.

Original languageEnglish
Pages (from-to)123-130
Number of pages8
JournalWood Science and Technology
Volume23
Issue number2
DOIs
StatePublished - Jun 1989
Externally publishedYes

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