3 years ago

Pretreatments for Enhanced Enzymatic Hydrolysis of Pinewood: a Review

D. Julie Carrier, Gurshagan Kandhola, Jin-Woo Kim, Angele Djioleu

Abstract

Pinewood is an abundant source of lignocellulosic biomass that has potential to be used as renewable feedstock in biorefineries for conversion into advanced biofuels and other value-added chemicals. However, its structural recalcitrance, due to the compact packing of its major components, viz. cellulose, hemicellulose and lignin, high lignin content, and high cellulose crystallinity, is a major bottleneck in its widespread use as a biorefinery feedstock. Typical chemical, thermal, and biological pretreatment technologies are aimed at removing lignin and hemicellulose fractions for improving enzyme accessibility and digestibility of cellulose. This review highlights common pine pretreatment procedures, associated key parameters and resulting enzymatic hydrolysis yields. The challenges and limitations are also discussed as well as potential strategies to overcome them, providing an essential source of information to realize pine as a compelling biorefinery biomass source.

Publisher URL: https://link.springer.com/article/10.1007/s12155-017-9862-3

DOI: 10.1007/s12155-017-9862-3

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