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Alcohothermal carbonization of biomass to prepare novel solid catalysts for oleic acid esterification
Yang, Ya-Ting; Yang, Xing-Xia; Wang, Yi-Tong; Luo, Jia; Zhang, Fan; Yang, Wen-Jing; Chen, Jiang-Hua
2018
Source PublicationFUEL
ISSN0016-2361
Volume219Issue:xPages:166-175
AbstractNovel solid acids with improved stability were the first time synthesized through biomass carbonization with supercritical ethanol and subsequent sulfonation of alcohothermal chars. Sulfonic groups and other oxygenated functional groups were easier to be loaded on alcohothermal chars than hydrothermal and pyrolytic chars during sulfonation, and exhibited better stability. For the esterification of oleic acid at 80 degrees C, sulfonated alcohothermal chars lost 9.0-18.9% of their activity after four reaction cycles, while it was 13.0-30.8% for sulfonated hydrothermal chars and more than 58.4-71.3% for sulfonated pyrolytic chars. As a result, C(HY, E)-S and C(Glu, E)-S still gave esterification yield of > 83% after four reaction cycles. Sulfonated pyrolytic chars exhibited oxygenated functional structure bonded with mainly C=O linkage, which possibly contributed to their worse performance in esterification than sulfonated solvothermal chars.
Department其他
KeywordBiomass Alcohothermal Carbonization Sulfonation Esterification
Subject AreaEnergy & Fuels ; Engineering
Language英语
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/10846
Collection生物能源研究组
Recommended Citation
GB/T 7714
Yang, Ya-Ting,Yang, Xing-Xia,Wang, Yi-Tong,et al. Alcohothermal carbonization of biomass to prepare novel solid catalysts for oleic acid esterification[J]. FUEL,2018,219(x):166-175.
APA Yang, Ya-Ting.,Yang, Xing-Xia.,Wang, Yi-Tong.,Luo, Jia.,Zhang, Fan.,...&Chen, Jiang-Hua.(2018).Alcohothermal carbonization of biomass to prepare novel solid catalysts for oleic acid esterification.FUEL,219(x),166-175.
MLA Yang, Ya-Ting,et al."Alcohothermal carbonization of biomass to prepare novel solid catalysts for oleic acid esterification".FUEL 219.x(2018):166-175.
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