Biomass pretreatments capable of enabling lignin valorization in a biorefinery process

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Robert Narron, K. Hoyong, C. Hou-min, J. Hasan, and P. Sunkyu, “Biomass pretreatments capable of enabling lignin valorization in a biorefinery process,” Current Opinion in Biotechnology, vol. 38, pp. 39 – 46, Apr. 2016.

Type Journal Article
Author Robert Narron
Author Kim Hoyong
Author Chang Hou-min
Author Jameel Hasan
Author Park Sunkyu
Volume 38
Pages 39 - 46
Publication Current Opinion in Biotechnology
Date April 2016
DOI 10.1016/j.copbio.2015.12.018
Language English
Abstract Recent techno-economic studies of proposed lignocellulosic biorefineries have concluded that creating value from lignin will assist realization of biomass utilization into valuable fuels, chemicals, and materials due to co-valorization and the new revenues beyond carbohydrates. The pretreatment step within a biorefinery process is essential for recovering carbohydrates, but different techniques and intensities have a variety of effects on lignin. Acidic and alkaline pretreatments have been shown to produce diverse lignins based on delignification chemistry. The valorization potential of pretreated lignin is affected by its chemical structure, which is known to degrade, including inter-lignin condensation under high-severity pretreatment. Co-valorization of lignin and carbohydrates will require dampening of pretreatment intensities to avoid such effects, in spite of tradeoffs in carbohydrate production.


  • Acids
  • Biorefinery
  • Fermentation
  • Lignins
  • Saccharification

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