Multi-objective regulation in autohydrolysis process of corn stover by liquid hot water pretreatment

Huisheng Lü; Xingfang Shi; Yonghui Li; Fanmei Meng; Shuangyan Liu; Li Yan

doi:10.1016/j.cjche.2017.01.007

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Multi-objective regulation in autohydrolysis process of corn stover by liquid hot water pretreatment

Energy, Resources and Environmental Technol | Updated：2026-01-06

- Multi-objective regulation in autohydrolysis process of corn stover by liquid hot water pretreatment
- Multi-objective regulation in autohydrolysis process of corn stover by liquid hot water pretreatment
- 中国化学工程学报（英文版） 2017年25卷第4期页码：499-506
- Affiliations：
  
  Key Laboratory for Green Chemical Technology of Ministry of Education, Tianjin University R & D Center for Petrochemical Technology, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.01.007
  中图分类号：
- 纸质出版：2017
- Accepted：
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Huisheng Lü, Xingfang Shi, Yonghui Li, 等. Multi-objective regulation in autohydrolysis process of corn stover by liquid hot water pretreatment[J]. 中国化学工程学报（英文版）, 2017,25(4):499-506.

Huisheng Lü, Xingfang Shi, Yonghui Li, Fanmei Meng, Shuangyan Liu, Li Yan. Multi-objective regulation in autohydrolysis process of corn stover by liquid hot water pretreatment[J]. , 2017, 25(4): 499-506.
Huisheng Lü, Xingfang Shi, Yonghui Li, 等. Multi-objective regulation in autohydrolysis process of corn stover by liquid hot water pretreatment[J]. 中国化学工程学报（英文版）, 2017,25(4):499-506. DOI： 10.1016/j.cjche.2017.01.007.

Huisheng Lü, Xingfang Shi, Yonghui Li, Fanmei Meng, Shuangyan Liu, Li Yan. Multi-objective regulation in autohydrolysis process of corn stover by liquid hot water pretreatment[J]. , 2017, 25(4): 499-506. DOI： 10.1016/j.cjche.2017.01.007.

摘要

Abstract

Increasing reducing sugars (xylose and glucose) yield for bioethanol from corn stover depends strongly on optimization of pretreatment conditions.The optimum reaction conditions of two-stage liquid hot water (LHW) pretreatment based on total sugars yield were investigated.Under optimal conditions

the recovery of glucose of corn stover after two-stage LHW pretreatment and 72 h enzymatic digestion

reached 89.55%.In addition

acetic acid-rich spent liquor pretreatment and one-stage LHW pretreatment have been carried out to make comparisons with two-stage LHW treatment.Glucose yield 89.55% is superior to the recovery 83.38% using acetic acidrich spent liquor pretreatment or 80.58% using one-stage LHW pretreatment.The production of total sugars was increased by 7.8% when compared with one-stage pretreatment.Moreover

the structural features of the treated corn stover solid residues were also investigated by XRD and SEM technology in order to clarify the effects of the reaction on corn stover.The results indicated that the two-stage LHW pretreatment was an effective pretreatment method of corn stover to get most massive resource utilization

and it could be successfully applied to corn stover.

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