CAS OpenIR
Direct conversion of cellulose to sorbitol via an enhanced pretreatment with ionic liquids
Gao, Kai1,2; Xin, Jiayu1; Yan, Dongxia1,2,3; Dong, Huixian1; Zhou, Qing1,2; Lu, Xingmei1,2; Zhang, Suojiang1,2
2018-09-01
Source PublicationJOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
ISSN0268-2575
Volume93Issue:9Pages:2617-2624
Abstract

BACKGROUNDDirect conversion of cellulose into platform chemicals, is regarded as one of the most promising aspects of biomass resource utilization. However, the development of direct conversion of cellulose to high value-added chemicals such as sorbitol still remains a tremendous problem owing to the robust structure of cellulose to resist degradation. RESULTSIn this study, ball-milled microcrystalline cellulose was dissolved in ionic liquids, and finally converted to sorbitol smoothly through hydrolytic hydrogenation processes. Both ball-milling and ionic liquids dissolution can effectively destroy the strong inter- and intramolecular hydrogen bond network formed between hydroxyl groups within cellulose. Furthermore, water-soluble ionic cellulose came into being due to the dissolution of cellulose in ionic liquids, which increased the contact of cellulose to catalyst remarkably. The crystalline index of cellulose can be reduced from 79.9% to 3.2% under an optimum ball-milling time of 4 h, and the preferred cellulose dissolution solvent was selected to be [Amim]Cl. Finally, the final product, sorbitol was successfully synthesized over the catalysis of Nafion NR50 and Ru/AC (active carbon) with the sorbitol yield to be 34.3% at 150 degrees C for 1 h. CONCLUSIONThis study proposed a novel approach about direct conversion of cellulose to sorbitol with ionic liquids as well as extended the application of ionic liquids in the field of conversion of renewable biomass to platform chemicals. (c) 2018 Society of Chemical Industry

KeywordCellulose Sorbitol Ionic Liquids Pretreatment Hydrolytic Hydrogenation
DOI10.1002/jctb.5615
Language英语
WOS KeywordAmorphous Alloy Catalyst ; Glucose Hydrogenation ; Hydrolytic Hydrogenation ; Selective Hydrogenation ; Acid ; Dissolution ; Cellobiose ; Biomass ; Lignocellulose ; Crystallinity
Funding ProjectNational Basic Research Program of China (973 Program)[2015CB251401] ; National Natural Science Foundation of China[21776289] ; National Natural Science Foundation of China[21576269] ; National Natural Science Foundation of China[21476234]
WOS Research AreaBiotechnology & Applied Microbiology ; Chemistry ; Engineering
WOS SubjectBiotechnology & Applied Microbiology ; Chemistry, Multidisciplinary ; Engineering, Environmental ; Engineering, Chemical
Funding OrganizationNational Basic Research Program of China (973 Program) ; National Natural Science Foundation of China
WOS IDWOS:000440926300014
PublisherWILEY
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/25406
Collection中国科学院过程工程研究所
Corresponding AuthorZhou, Qing; Zhang, Suojiang
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn,State Key Lab Multi, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Gao, Kai,Xin, Jiayu,Yan, Dongxia,et al. Direct conversion of cellulose to sorbitol via an enhanced pretreatment with ionic liquids[J]. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY,2018,93(9):2617-2624.
APA Gao, Kai.,Xin, Jiayu.,Yan, Dongxia.,Dong, Huixian.,Zhou, Qing.,...&Zhang, Suojiang.(2018).Direct conversion of cellulose to sorbitol via an enhanced pretreatment with ionic liquids.JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY,93(9),2617-2624.
MLA Gao, Kai,et al."Direct conversion of cellulose to sorbitol via an enhanced pretreatment with ionic liquids".JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY 93.9(2018):2617-2624.
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