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Effect of the temperature on the dissolution of corn straw in ethanol solution
Zhang, Xinghua; Yuan, Zhengqiu; Wang, Tiejun; Zhang, Qi; Ma, Longlong
2016
Source PublicationRSC ADVANCES
Volume6Issue:104Pages:102306-102314
AbstractLgnocellulosic biomass is undissolvable in water and conventional solvents for its complex natural recalcitrance, which significantly hinders its efficient utilization. Herein, we provided an efficient process for the dissolution of corn straw under mild conditions with the solution of ethanol, H2SO4, H2O2 and H2O. The research emphasis is the effect of temperature on the dissolution process. Results showed that the components of cellulose, hemicellulose and lignin can be separated from the corn straw by adjusting the dissolution temperature. Part of the dissolved cellulose and hemicellulose were further converted into sugars and chemicals (such as furfural, 5-hydroymethylfurfural, ethyl levulinate, levulinic acid) during the dissolution process. Released lignin was destroyed into fragments and was recovered as organosolv lignin with lower molecular weight. Furthermore, residues and the recovered lignin obtained at different dissolution temperature were characterized carefully by FTIR, NMR, GPC and elemental analysis and the dissolution mechanism was discussed.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c6ra22456c
WOS Subject ExtendedChemistry
WOS KeywordEFFICIENT CATALYST ; HYDROGEN-PEROXIDE ; BIOMASS ; LIQUEFACTION ; BAGASSE ; LIGNIN ; ACID ; PRETREATMENT ; HYDROLYSIS ; CONVERSION
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(51576198) ; National Key Technology RD Program(2015BAD15B06) ; Youth Innovation Promotion Association of CAS(2015288)
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000387621700068
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Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/13985
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Xinghua,Yuan, Zhengqiu,Wang, Tiejun,et al. Effect of the temperature on the dissolution of corn straw in ethanol solution[J]. RSC ADVANCES,2016,6(104):102306-102314.
APA Zhang, Xinghua,Yuan, Zhengqiu,Wang, Tiejun,Zhang, Qi,&Ma, Longlong.(2016).Effect of the temperature on the dissolution of corn straw in ethanol solution.RSC ADVANCES,6(104),102306-102314.
MLA Zhang, Xinghua,et al."Effect of the temperature on the dissolution of corn straw in ethanol solution".RSC ADVANCES 6.104(2016):102306-102314.
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