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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 287-290Transesterification of Cotton-Seed Oil by...

Transesterification of Cotton-Seed Oil by Heterogeneous Solid Super Base KF/MgO Catalyst

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Abstract:

An environmentally benign process was developed for the production of biodiesel from cotton-seed oil using KF loaded with MgO as a heterogeneous solid super base catalyst. The 20 wt% KF/MgO, after desiccated at 120 oC for 4 h, was found to be the optimum catalyst. Hammett indicator method, XRD, SEM and IR were employed for the catalyst characterization. The results showed the activity of the catalysts was correlated with their basicity. The influence of various reaction variables on the conversion, such as the molar ratio of methanol to cotton-seed oil, the catalyst amount, the reaction time and temperature were also discussed. When the transesterification reaction was carried out at reflux of methanol (65 oC), with a molar ratio of methanol to cotton-seed oil 12 : 1, a reaction time 2.5 h and a catalyst amount 2.5 wt%, the highest conversion of cotton-seed oil reached 99.14%.

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Periodical:

Advanced Materials Research (Volumes 287-290)

Pages:

1496-1504

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.287-290.1496

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Online since:

July 2011

Authors:

Yun Long Fan, Wan Quan Zhang, Liu Yang, Dong Lin Hu, Li Xin Zhu, Chen Jiang Liu

Keywords:

Bio-Diesel, Heterogeneous Solid Super Base Catalyst, Kf Loaded with MgO, Transesterification

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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