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Preparation and investigation of highly selective solid acid catalysts with sodium lignosulfonate for hydrolysis of hemicellulose in corncob

文献类型：期刊论文

作者Li, Xun3; Shu, Fengyao3,4; He, Chao4; Liu, Shuna4; Leksawasdi, Noppol1; Wang, Qiong4; Qi, Wei4; Alam, Md Asraful4; Yuan, Zhenhong4,5; Gao, Yi2
刊名RSC ADVANCES
出版日期2018
卷号8期号:20页码:10922-10929
ISSN号2046-2069
DOI10.1039/c7ra13362f
通讯作者Wang, Qiong(wangqiong@ms.giec.ac.cn) ; Qi, Wei(qiwei@ms.giec.ac.cn)
英文摘要Saccharification of lignocellulose is a necessary procedure for deconstructing the complex structure for building a sugar platform that can be used for producing biofuel and high-value chemicals. In this study, a carbon-based solid acid catalyst derived from sodium lignosulfonate, a waste by-product from the paper industry, was successfully prepared and used for the hydrolysis of hemicellulose in corncob. The optimum preparation conditions for the catalyst were determined to be carbonization at 250 degrees C for 6 h, followed by sulfonation with concentrated H2SO4 (98%) and oxidation with 10% H2O2 (solid-liquid ratio of 1:75 g mL(-1)) at 50 degrees C for 90 min. SEM, XRD, FT-IR, elemental analysis and acid-base titration were used for the characterization of the catalysts. It was found that 0.68 mmol g(-1) SO3H and 4.78 mmol g(-1) total acid were loaded onto the catalyst. When corncob was hydrolyzed by this catalyst at 130 degrees C for 12 h, the catalyst exhibited high selectivity and produced a relatively high xylose yield of up to 84.2% (w/w) with a few by-products. Under these conditions, the retention rate of cellulose was 82.5%, and the selectivity reached 86.75%. After 5 cycles of reuse, the catalyst still showed high catalytic activity, with slightly decreased yields of xylose from 84.2% to 70.7%.
WOS关键词DILUTE-SULFURIC-ACID ; LIGNOCELLULOSIC BIOMASS ; HYDROTHERMAL CARBONIZATION ; CELLULOSE HYDROLYSIS ; ESTERIFICATION ; PERFORMANCE ; CHEMICALS ; FRUCTOSE
资助项目National Natural Science Foundation of China[21376241] ; National Natural Science Foundation of China[51676193] ; National Natural Science Foundation of China[51506207] ; National Natural Science Foundation of China[51561145015] ; National Natural Science Foundation of China[21476233] ; Youth Innovation Promotion Association, CAS[2017401] ; Key Project of Natural Science Foundation of Guangdong Province[2015A030311022] ; Sino-Thai National Research Council of Thailand (NRCT) ; National Research University-Chiang Mai University (NRU-CMU) ; National Research University- Office of Higher Education Commission (NRU-OHEC) ; Non-Food Agricultural Research Cluster ; CMU Mid-Career Research Fellowship program[W566_21022560]
WOS研究方向Chemistry
语种英语
WOS记录号WOS:000429534200024
出版者ROYAL SOC CHEMISTRY
资助机构National Natural Science Foundation of China ; Youth Innovation Promotion Association, CAS ; Key Project of Natural Science Foundation of Guangdong Province ; Sino-Thai National Research Council of Thailand (NRCT) ; National Research University-Chiang Mai University (NRU-CMU) ; National Research University- Office of Higher Education Commission (NRU-OHEC) ; Non-Food Agricultural Research Cluster ; CMU Mid-Career Research Fellowship program
源URL[http://ir.giec.ac.cn/handle/344007/23174]  
专题中国科学院广州能源研究所
通讯作者Wang, Qiong; Qi, Wei
作者单位1.Chiang Mai Univ, Fac Agroind, Chiang Mai 50100, Thailand
2.Henan Acad Sci Inst Energy Co Ltd, Zhengzhou 450000, Peoples R China
3.Changsha Univ Sci & Technol, Changsha 410004, Hunan, Peoples R China
4.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
5.Collaborat Innovat Ctr Biomass Energy, Zhengzhou 450002, Henan, Peoples R China
推荐引用方式
GB/T 7714		 Li, Xun,Shu, Fengyao,He, Chao,et al. Preparation and investigation of highly selective solid acid catalysts with sodium lignosulfonate for hydrolysis of hemicellulose in corncob[J]. RSC ADVANCES,2018,8(20):10922-10929.
APA Li, Xun.,Shu, Fengyao.,He, Chao.,Liu, Shuna.,Leksawasdi, Noppol.,...&Gao, Yi.(2018).Preparation and investigation of highly selective solid acid catalysts with sodium lignosulfonate for hydrolysis of hemicellulose in corncob.RSC ADVANCES,8(20),10922-10929.
MLA Li, Xun,et al."Preparation and investigation of highly selective solid acid catalysts with sodium lignosulfonate for hydrolysis of hemicellulose in corncob".RSC ADVANCES 8.20(2018):10922-10929.

入库方式： OAI收割

来源：广州能源研究所

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