nielAcid-catalyd glycerol pretreatment of sugarcane bagas: understanding lignin properties and their effects on enzymatic hydrolysis
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期刊名称： ACS Sustainable Chemistry & Engineering
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作者： Morteza Hassanpour,Mahsa Abbasabadi,Leigh Gebbie,Valentino Setoa Junior Te'o,Zhanying Zhang
年份： 2020年
电影院的英文
期号： 第XXX期
ncaa是什么关键词：
inhibition;recycling;cellula;NMR;esterification;etherification;delignification;organosolvsign
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摘要：In this study, lignin from acid-catalyd glycerol pretreatment of sugarcane bagas was recovered and characterid. Its effects on enzymatic hydrolysis and cellula recycling were then inve
stigated. Prior to lignin recovery, a two-step dilute acid and acid-catalyd glycerol (DA-AG) pretreatment was ud to deconstruct sugarcane bagas, which led to a glucan enzymatic digestibility of 99%, a gluco yield of 91% and a xylo yield of 67%. Following enzymatic hydrolysis, lignin-rich residues were recovered by simple filtration at a lignin yield of 63% and purity of 90%. 2D HSQC NMR analysis showed that glycerol had modified the bagas lignin through α-etherification of β-aryl ethers and γ-esterification of hydroxycinnamic acids, generating a novel lignin structure. 31P NMR analysis showed that the recovered lignin had finish的过去式
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