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A Critical Review on Hemicellulose Pyrolysis
Author(s) -
Zhou Xiaowei,
Li Wenjun,
Mabon Ross,
Broadbelt Linda J.
Publication year - 2017
Publication title -
energy technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 44
eISSN - 2194-4296
pISSN - 2194-4288
DOI - 10.1002/ente.201600327
Subject(s) - hemicellulose , cellulose , lignocellulosic biomass , biomass (ecology) , pulp and paper industry , pyrolysis , polysaccharide , chemistry , renewable energy , waste management , chemical engineering , biochemical engineering , materials science , organic chemistry , environmental science , engineering , agronomy , ecology , biology
Fast pyrolysis is a promising thermochemical technology that breaks down renewable and abundant lignocellulosic biomass into a primary liquid product (bio‐oil) in seconds. The bio‐oil can then be potentially catalytically upgraded into transportation fuels and multiple commodity chemicals. Hemicellulose is one of the three major components of lignocellulosic biomass and is characterized as a group of cell wall polysaccharides that are neither cellulose nor pectin. The composition and structural features of hemicellulose (mixture of different heterogeneous polysaccharides) and different specific hemicellulose polysaccharides are reviewed. Particular focus is then given to reviewing the status of hemicellulose pyrolysis in terms of experimental investigations, reaction mechanisms, and kinetic modeling. For each aspect, recent results, challenges, and future prospects are addressed.

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