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Highly effective MnCeOx catalysts for biodiesel production by transesterification of vegetable oils with methanol

Paper ID Volume ID Publish Year Pages File Format Full-Text
42079 45910 2010 9 PDF Available
Title
Highly effective MnCeOx catalysts for biodiesel production by transesterification of vegetable oils with methanol
Abstract

This paper reports the results obtained using a novel MnCeOx system in the transesterification reaction of refined sunflower oil with methanol. The performance of such catalysts has been compared with that of common acid supported catalysts. Results obtained revealed that MnCeOx system possesses a superior activity especially by operating at low temperatures (≤120 °C). Independently of Mn loading, the redox-precipitation method for the preparation of Mn-based systems allowed to obtain always high dispersed catalysts and, as a consequence, a linear relationship between reaction rate and Mn loading was obtained. NH3-TPD and CO2-TPD measurements indicate that MnCeOx systems are characterized by a prevalent nature of basic sites. However, the catalyst performance is the result of a synergic role played by both the surface acid/base character and textural porosity.

Graphical abstractNovel MnCeOx catalysts characterized by both high surface area and Mn dispersion have shown a superior activity in the transesterification reaction of refined sunflower oil with methanol. The catalyst performance is the result of a synergic role played by both the acid/base surface character and textural porosity.Figure optionsDownload full-size imageDownload high-quality image (139 K)Download as PowerPoint slide

Keywords
Biodiesel; Transesterification reaction; Heterogeneous (liquid–solid) catalysis; Ceria–manganese catalysts
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Highly effective MnCeOx catalysts for biodiesel production by transesterification of vegetable oils with methanol
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 382, Issue 2, 15 July 2010, Pages 158–166
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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