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- Title
Esterification of cooking oil for biodiesel production using composites CsHPWO/ionic liquids catalysts.
- Authors
Wu, Jianxiang; Gao, Yilong; Zhang, Wei; Tan, Yueyue; Tang, Aomin; Men, Yong; Tang, Bohejin
- Abstract
Here, two ionic liquids 1-methyl-3-propane sulfonic-imidazolium (PSMIM) and 1-methyl-3-propane sulfonic-imidazolium hydrosulfate (PSMIMHSO) are synthesized, and these ionic liquids mixed with different of heteropolyacid CsHPWO have been used as catalysts for esterification of cooking oil for preparation of biodiesel. Then those catalysts are characterized by Infrared spectrometer, X-ray diffractometer, nuclear magnetic resonance, elemental analyses and high-performance liquid chromatography. PSMIM and PSMIMHSO mixed with CsHPWO at the mass ratio of 1:1 are able to effectively catalyze esterification, using cooking oil as starting material at ratio of 1:20 (catalyst/cooking oil) and cooking oil to methanol at mass ratio of 1:6 for preparation of biodiesel with 3.5 h at 343 K. The result showed that 97.1 % yield of biodiesel could be obtained at optimized operation using PSMIMHSO mixed with CsHPWO at the mass ratio of 1:1 as catalyst.
- Publication
Applied Petrochemical Research, 2014, Vol 4, Issue 3, p305
- ISSN
2190-5525
- Publication type
Article
- DOI
10.1007/s13203-014-0066-x