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Triglyceride cracking for biofuel production using a directly synthesised sulphated zirconia catalyst

Lookup NU author(s): Elizabeth Eterigho, Dr Jonathan Lee, Professor Adam Harvey

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Abstract

In this study, sulphated zirconia was directly synthesised and compared to the conventional wet method of preparation. The surface areas and pore sizes were 169 m(2)/g, 0.61 mu m (directly synthesized) and 65 m(2)/g, 0.24 mu m (conventional method), respectively. Directly synthesized sulphated zirconia was amorphous, whereas conventionally prepared sulphated zirconia is polycrystalline. Their IR spectra were broadly similar, although the area of the 1250 to 950 cm(-1) band was larger for directly synthesised sulphated zirconia. Not only were conversions greater for directly synthesised sulphated zirconia (63% vs. 42% after 4 h), but it exhibited significantly greater yield for fatty acid methyl esters. The percentage yield (after 1 h) of methyl esters was 43% for the directly synthesised catalyst and 15% for the conventionally synthesised. (C) 2011 Elsevier Ltd. All rights reserved.


Publication metadata

Author(s): Eterigho EJ, Lee JGM, Harvey AP

Publication type: Article

Publication status: Published

Journal: Bioresource Technology

Year: 2011

Volume: 102

Issue: 10

Pages: 6313-6316

Print publication date: 13/02/2011

ISSN (print): 0960-8524

ISSN (electronic): 1873-2976

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/j.biortech.2011.02.040

DOI: 10.1016/j.biortech.2011.02.040


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