European Journal of Wood and Wood Products

, Volume 77, Issue 3, pp 491–493 | Cite as

Desulfurization of lignin produced by hydrolysis of wood with dilute sulfuric acid

  • Andrey N. EvdokimovEmail author
  • Alexander V. Kurzin
  • Olesya V. Fedorova
  • Alena D. Trifonova
Brief Original


The hydrolysis (or hydrolytic) lignin as a byproduct of ethanol production is made by the treatment of wood with a sulfuric acid solution. It contains up to 2% total sulfur. This work proposes the hydrolysis lignin desulfurization by acid–base methods. These methods are based on data on the presence of residual sulfuric acid and its reaction products (organic sulfates and sulfonates) with wood components in the hydrolytic lignin. It was found that the sodium hydroxide treatment has the best desulfurizing effect, which allowed reducing the total sulfur content to 25 ppm.


Compliance with ethical standards

Conflict of interest

On behalf of all authors, the corresponding author states that there is no conflict of interest.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Saint Petersburg State University of Industrial Technologies and Design, Russian FederationSaint PetersburgRussian Federation
  2. 2.GC Alkor BioSaint PetersburgRussian Federation

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