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Citation: GUO Xiangfeng, CHEN Juan, LIU Cong, LI Yanhui, JIA Lihua. Production of the Novel Biodiesel over Potassium Floride and Calcium Oxide Loaded Kaolinite Solid Base Catalyst[J]. Chinese Journal of Applied Chemistry, ;2015, 32(7): 788-793. doi: 10.11944/j.issn.1000-0518.2015.07.140390 shu

Production of the Novel Biodiesel over Potassium Floride and Calcium Oxide Loaded Kaolinite Solid Base Catalyst

1.
Key Laboratory of Fine Chemicals of College of Heilongjiang Province College of Chemistry and Chemical Engineering Heilongjiang Qiqihar University, Heilongjiang 161006, China

Corresponding author: JIA Lihua,
Received Date: 13 November 2014
Available Online: 30 January 2015
Fund Project: 黑龙江省教育厅重点项目(12511Z030) (12511Z030)

A series of supported solid-base catalysts (GCK) was prepared by loading KF and Ca O over kaolinite by impregnation.Their activity was investigated for the catalytic transesterification of methyl laurate (ML) with ethylene glycol monomethyl ether (EGME) to produce the novel biodiesel.The catalyst was characterized by X-ray diffraction,scanning electron microscopy and Hammett indicators methods.Moreover,the effect of loading amount of KF and main reaction parameters on the yield of novel biodiesel was examined.The base strength of the GCK (H_value) varies from 7.2 to 18.4.The KCaF₃ phase is the main active sites in GCK.The highest yield of novel biodiesel reaches 97.1% under 25% loading of KF over GCK,EGME/ML molar ratio of 3.0,4.5% loading of the catalyst (relative to the ML) and reacting for 2 h at 120℃.At last,the recycle of the catalyst was investigated.
- potassium floride and calcium oxide,
- kaolin,
- impregnation,
- solid base catalyst,
- transesterification,
- novel biodiesel
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