Lignin isolation from spruce wood with low concentration aqueous alkali at high temperature and pressure: influence of hot-water pre-extraction

Author:

Korotkova Ekaterina1234,Pranovich Andrey1234,Wärnå Johan1234,Salmi Tapio1234,Murzin Dmitry Yu.1234,Willför Stefan1234

Affiliation:

1. Johan Gadolin Process Chemistry Centre

2. Åbo Akademi University

3. Turku/Åbo

4. Finland

Abstract

Lignin was successfully isolated from spruce wood with an accelerated solvent extractor using low concentration aqueous NaOH as an extraction solvent. The biorefinery concept was also applied.

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Environmental Chemistry

Reference37 articles.

1. Oxidative upgrade of lignin – Recent routes reviewed

2. D. Fengel and G.Wegener, Wood: Chemistry, Ultrastructure, Reactions, Walter De Gruyter, Berlin, New York, 1984, pp. 133139

3. Review of current and future softwood kraft lignin process chemistry

4. Chemical aspects of kraft pulping

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