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Comparison of Low-Temperature Alkali/Urea Pretreatments for Ethanol Production from Wheat Straw
Zahoor1,2,3; Wang, Wen1,2,3; Tan, Xuesong1,2,3; Yu, Qiang1,2,3; Sun, Yongming1,2,3; Yuan, Zhenhong1,2,3,4; Min, Kyoungseon5; Lee, Jinsuk5; Bai, Zi Shang6; Zhuang, Xinshu1,2,3
2021-06-01
发表期刊JOURNAL OF BIOBASED MATERIALS AND BIOENERGY
ISSN1556-6560
卷号15期号:3页码:399-407
通讯作者Wang, Wen(wangwen@ms.giec.ac.cn) ; Zhuang, Xinshu(zhuangxs@ms.giec.ac.cn)
摘要NaOH/urea (NU) pretreatment at lower than 0 degrees C has been frequently applied for improving bio-conversion of lignocellulose, but the wastewater generated from the pretreatment process is hard to dispose. KOH/urea (KU) pretreatment for enhancing bioconversion of lignocellulose has recently attracted researchers' attention due to the recycling of wastewater for facilitating crops' growth. This study compared the effects of NU and KU pretreatments at cold conditions on the enzymatic hydrolysis and bioethanol yield from wheat straw (WS). By using response surface methodology, an optimal pretreatment with an equal ratio of alkali/urea (4% w/v) at -20 degrees C for 3 h was established. The enzymatic hydrolysis of KU-treated WS was 81.17%, which was similar to that of NU-treated WS (83.72%) under the same condition. It means that KU pretreatment has equal ability to NU pretreatment to improve enzymatic saccharification of lignocellulose. KU pretreatment has the promising potential to replace NU pretreatment for facilitating bioconversion of lignocellulose in cold conditions due to the clean way to recycle its wastewater as fertilizer for crop growth. Hence, KU pretreatment combined with enzymatic hydrolysis and fermentation could be a promising green way to cellulosic ethanol production with zero waste emission.
关键词Lignocellulose Enzymatic Hydrolysis Response Surface Design Potassium Hydroxide Sodium Hydroxide
DOI10.1166/jbmb.2021.2062
关键词[WOS]POTASSIUM HYDROXIDE PRETREATMENT ; ENZYMATIC-HYDROLYSIS ; LIGNOCELLULOSIC BIOMASS ; CALCIUM HYDROXIDE ; ALKALINE PRETREATMENT ; SUGARCANE BAGASSE ; SODIUM-HYDROXIDE ; BLACK LIQUOR ; SACCHARIFICATION ; OPTIMIZATION
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[51976221] ; National Natural Science Foundation of China[51876206] ; Key R&D project of Guangdong Province[2020B0101070001] ; Pearl River S&T Nova Program in Guangzhou[201806010052] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA21050400]
WOS研究方向Chemistry ; Energy & Fuels ; Materials Science
项目资助者National Natural Science Foundation of China ; Key R&D project of Guangdong Province ; Pearl River S&T Nova Program in Guangzhou ; Strategic Priority Research Program of Chinese Academy of Sciences
WOS类目Chemistry, Applied ; Energy & Fuels ; Materials Science, Biomaterials
WOS记录号WOS:000675602700018
出版者AMER SCIENTIFIC PUBLISHERS
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/33491
专题中国科学院广州能源研究所
通讯作者Wang, Wen; Zhuang, Xinshu
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.CAS Key Lab Renewable Energy, Guangzhou 510640, Peoples R China
3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China
4.Collaborat Innovat Ctr Biomass Energy, Zhengzhou 450002, Peoples R China
5.Korea Inst Energy Res KIER, Gwanju Bio Energy R&D Ctr, Gwangju 61003, South Korea
6.Cornell Univ, Coll Agr & Life Sci, Ithaca, NY 14853 USA
第一作者单位中国科学院广州能源研究所
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Zahoor,Wang, Wen,Tan, Xuesong,et al. Comparison of Low-Temperature Alkali/Urea Pretreatments for Ethanol Production from Wheat Straw[J]. JOURNAL OF BIOBASED MATERIALS AND BIOENERGY,2021,15(3):399-407.
APA Zahoor.,Wang, Wen.,Tan, Xuesong.,Yu, Qiang.,Sun, Yongming.,...&Zhuang, Xinshu.(2021).Comparison of Low-Temperature Alkali/Urea Pretreatments for Ethanol Production from Wheat Straw.JOURNAL OF BIOBASED MATERIALS AND BIOENERGY,15(3),399-407.
MLA Zahoor,et al."Comparison of Low-Temperature Alkali/Urea Pretreatments for Ethanol Production from Wheat Straw".JOURNAL OF BIOBASED MATERIALS AND BIOENERGY 15.3(2021):399-407.
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