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One-step production of biodiesel from Jatropha oils with high acid value at low temperature by magnetic acid-base amphoteric nanoparticles
Wang, Yi-Tong; Fang, Zhen1; Yang, Xing-Xia; Yang, Ya-Ting; Luo, Jia; Xu, Kun; Bao, Gui-Rong
2018
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume348Issue:xPages:929-939
Abstract

Biodiesel production from Jatropha oils with high acid value at low temperature was catalyzed with synthesized novel magnetic acid-base amphoteric nanoparticles (< 46 nm). Alkaline oxides (ZnFe2O4, ferrihydrite, zincite, maghemite and magnetite) concerted with acidic -COOFe structure, benefited the one-pot esterification and transesterification of Jatropha oils with high acid value to produce biodiesel without additional pretreatment. The strong magnetism of catalyst helped catalyst separation for recycle in continuous biodiesel production. Jatropha biodiesel yield of 100% at 160 degrees C within 4 h, with methanol/oil molar ratio of 40/1 and catalyst dosage of 7 wt% was achieved, while the catalyst can be cycled for at least 10 times with biodiesel yield > 94.3% at acid value of 6.3 mg KOH/g. No obvious saponification was observed during the reactions and storage.

Departmentxtbg-ir
KeywordAcid-base Amphoterism High Acid Value Jatropha Biodiesel Magnetic Nanoparticles One-step Production
Subject AreaEngineering
DOI10.1016/j.cej.2018.05.039
Indexed BySCI
Language英语
WOS IDWOS:000434467000092
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/11097
Collection生物能源研究组
Affiliation1.Chinese Acad Sci, Xishuangbanna Trop Botan Garden, Key Lab Trop Plant Resources & Sustainable Use, Biomass Grp, 88 Xuefu Rd, Kunming 650223, Yunnan, Peoples R China
2.Nanjing Agr Univ, Coll Engn, Biomass Grp, 40 Dianjiangtai Rd, Nanjing 210031, Jiangsu, Peoples R China
3.Kunming Univ Sci & Technol, Fac Met & Energy Engn, Kunming 650093, Yunnan, Peoples R China
4.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yi-Tong,Fang, Zhen,Yang, Xing-Xia,et al. One-step production of biodiesel from Jatropha oils with high acid value at low temperature by magnetic acid-base amphoteric nanoparticles[J]. CHEMICAL ENGINEERING JOURNAL,2018,348(x):929-939.
APA Wang, Yi-Tong.,Fang, Zhen.,Yang, Xing-Xia.,Yang, Ya-Ting.,Luo, Jia.,...&Bao, Gui-Rong.(2018).One-step production of biodiesel from Jatropha oils with high acid value at low temperature by magnetic acid-base amphoteric nanoparticles.CHEMICAL ENGINEERING JOURNAL,348(x),929-939.
MLA Wang, Yi-Tong,et al."One-step production of biodiesel from Jatropha oils with high acid value at low temperature by magnetic acid-base amphoteric nanoparticles".CHEMICAL ENGINEERING JOURNAL 348.x(2018):929-939.
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