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Free fatty acids esterification for biodiesel production using self-synthesized macroporous cation exchange resin as solid acid catalyst
Fu, Junying1,2; Chen, Liangguang1,2; Lv, Pengmei1; Yang, Lingmei1; Yuan, Zhenhong1
2015-08-15
Source PublicationFUEL
Volume154Pages:1-8
AbstractUsing high free fatty acids (FFAs) contents oil as the raw material for biodiesel production can reduce the production cost and make fully use of the bio-oil resources. Macroporous cation exchange resins contain numerous acid sites to catalyze heterogeneous esterification reactions to reduce the FFAs contents and prevent the saponification reaction. This study focuses on the synthesis and performance tests of the macroporous resin catalysts and its water deactivation mechanism. Self-synthesized macroporous cation exchange resins have a surface area of 185 m(2) g(-1) with an average pore diameter of 9.7 nm and the ion exchange capacity is 3.37 +/- 0.11 mmol g(-1). Owing to their pore structure, macroporous resin performs better than gel-type resin in low methanol concentration or high FFAs contents, but they show physical instability in reusability tests. The FFAs conversion reaches 97.8% (substrate oil with acid value of 64.9 mg KOH/g) under 100 degrees C and a methanol/FFAs molar ratio of 15:1 with 10 wt% catalyst loading. Water that originally exists in oil or that is produced in the reaction deactivates differently on the activity of the resin, but this deactivation can be decreased by increasing the reaction temperature. In this study, a linear relationship between original water content and esterified FFAs was identified and differences in deactivation models were investigated. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordBiodiesel Cation Exchange Resin Esterification Free Fatty Acid Water Deactivation Mechanism
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.fuel.2015.03.048
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordWASTE COOKING OIL ; OLEIC-ACID ; METHANOL ; KINETICS ; FUEL
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000353893200001
Citation statistics
Cited Times:35[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/9118
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Fu, Junying,Chen, Liangguang,Lv, Pengmei,et al. Free fatty acids esterification for biodiesel production using self-synthesized macroporous cation exchange resin as solid acid catalyst[J]. FUEL,2015,154:1-8.
APA Fu, Junying,Chen, Liangguang,Lv, Pengmei,Yang, Lingmei,&Yuan, Zhenhong.(2015).Free fatty acids esterification for biodiesel production using self-synthesized macroporous cation exchange resin as solid acid catalyst.FUEL,154,1-8.
MLA Fu, Junying,et al."Free fatty acids esterification for biodiesel production using self-synthesized macroporous cation exchange resin as solid acid catalyst".FUEL 154(2015):1-8.
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