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  5. Fractionation of cornstalk by alkali-catalyzed organosolv pretreatment to monosaccharides and high-v

Fractionation of cornstalk by alkali-catalyzed organosolv pretreatment to monosaccharides and high-v

来源 :中国生物工程学会第十届学术年会暨2016年全国生物技术大会 | 被引量 : 0次 | 上传用户：raincy
【摘 要】
：
　　Fractionation of cornstalk into carbohydrate(cellulose and hemicellulose)and lignin,was carried out using alkali-catalyzed organosolv pretreatment(ACOS).The
【作 者】
：
Chenglun Tang Chenjie Zhu Jun Liu Hanjie Ying 
【机 构】
：
CollegeofBiotechnologyandPharmaceuticalEngineering,NanjingTechUniversity,No.30,PuzhuSouthRoad,Nanjin
【出 处】
：
中国生物工程学会第十届学术年会暨2016年全国生物技术大会
【发表日期】
：
2016年8期
【关键词】
：
Alkali-catalyzed organosolv pretreatment Cornstalk Enzymatichydrolysis Butanol L 
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　　Fractionation of cornstalk into carbohydrate(cellulose and hemicellulose)and lignin,was carried out using alkali-catalyzed organosolv pretreatment(ACOS).The processing parameters in the pretreatment process were optimized.More than 85%of total lignin was removed with low amounts of hemicellulose degradation under the following conditions: 110℃,0.4%(w/v)NaOH,90 min reaction time,and 60%(v/v)EtOH.The maximum recovery of total monosaccharide(81%)(cellulose/79%,hemicellulos/84%)was obtained at the combined severity factor value of(CSF = 4.15).The physical structure and chemical properties of alkali-catalyzed organosolv lignin(ACOSL)were analyzed.Results suggested that ACOSL showed intact structure compared to alkali lignin.
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