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Synthesis of a Stable Solid Acid Catalyst from Chloromethyl Polystyrene through a Simple Sulfonation for Pretreatment of Lignocellulose in Aqueous Solution
Author(s) -
Hu Jinke,
Wang Qiong,
Wang Wen,
Xu Zihan,
Fu Juan,
Xu Qingli,
Wang Zhongming,
Yuan Zhenhong,
Shen Fei,
Qi Wei
Publication year - 2021
Publication title -
chemsuschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.412
H-Index - 157
eISSN - 1864-564X
pISSN - 1864-5631
DOI - 10.1002/cssc.202002599
Subject(s) - corncob , catalysis , aqueous solution , polystyrene , xylose , chemistry , residue (chemistry) , solid acid , selectivity , organic chemistry , nuclear chemistry , polymer , raw material , fermentation
A stable solid acid catalyst, SCPR140‐1, was synthesized from chloromethyl polystyrene resin (CPR) and used for catalytic pretreatment of corncob in aqueous solution. Under the optimized pretreatment condition, 73.07 % of xylose was directly obtained, and the enzymatic digestibility of treated residue reached up to 94.65 %, indicating that the SCPR140‐1 had high selectivity for xylose production and effectively deconstructed the structure of corncob. The −CH 2 Cl group of CPR was substituted by −SO 3 H through the sulfonation, and the −SO 3 H was stably bound on the catalyst during the pretreatment process. Compared with other similar reports, the SCPR140‐1 was not only synthesized through a simpler process but also had a more stable catalytic activity during multiple recycling runs.