A highly active bagasse-derived solid acid catalyst with properties suitable for production of biodiesel

LOU, Wen-Yong, GUO, Qiang, CHEN, Wen-Jing, ZONG, Min-Hua, WU, Hong and SMITH, Thomas (2012). A highly active bagasse-derived solid acid catalyst with properties suitable for production of biodiesel. ChemSusChem, 5 (8), 1533-1541.

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Official URL: http://dx.doi.org/10.1002/cssc.201100811
Link to published version:: https://doi.org/10.1002/cssc.201100811


A novel bagasse-based solid acid catalyst was successfully prepared through sulfonation of incompletely carbonized bagasse. A range of conditions for producing the catalyst were investigated, and the optimized catalyst, produced under carbonization at 648 K for 0.5 h and sulfonation at 423 K for 15 h, showed excellent catalytic activity and resulted in around 95 % yield of methyl oleate. Its activity was not only substantially greater than that of niobic acid and Amberlyst-15, but also comparable to or superior to that of catalysts made from pure starch or glucose, respectively. Additionally, the bagasse-derived catalyst could be repeatedly employed for at least eight cycles and still retained around 90 % of its original activity, exhibiting excellent operational stability. Furthermore, the catalyst efficiently converted waste cooking oils with 38.6 wt % free fatty acids into biodiesel and afforded a high yield of about 93.8 % within 12 h. These results clearly show that the bagasse-derived catalyst is economic, eco-friendly, and promising for biodiesel production from low-cost feedstocks and may find wide applications.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Biomedical Research Centre
Identification Number: https://doi.org/10.1002/cssc.201100811
Page Range: 1533-1541
Depositing User: Rebecca Jones
Date Deposited: 21 Jun 2012 13:02
Last Modified: 18 Mar 2021 20:30
URI: https://shura.shu.ac.uk/id/eprint/5407

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