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Esterification and transesterification on Fe2O3-doped sulfated tin oxide catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
51103 46830 2011 4 PDF Available
Title
Esterification and transesterification on Fe2O3-doped sulfated tin oxide catalysts
Abstract

A series of Fe2O3-doped (0.2–3.0%) sulfated tin oxides have been prepared by a co-precipitation method, followed by sulfation and calcination. The addition of small amounts of Fe2O3 to sulfated tin oxide results in an enhanced number of very strong and strong acid sites, which makes the Fe2O3-doped catalysts more active than the undoped one for esterification of lauric acid with methanol and transesterification of triacetin with methanol. The catalyst containing 1.0% Fe2O3 exhibits the highest activity for both biodiesel-forming type reactions.

Graphical AbstractFigure optionsDownload full-size imageDownload as PowerPoint slideDoping 0.2–3.0% Fe2O3 into sulfated tin oxide improved surface area, sulfate content and number of very strong and strong acid sites, which is responsible for their enhanced catalytic activities for esterification and transesterification.Research Highlights►Sulfated tin oxide was modified by small amounts of Fe2O3. ►Doping Fe2O3 into SO42−/SnO2 enhanced the number of very strong and strong acid sites. ►The addition of Fe2O3 to SO42−/SnO2 improved the activity for esterification and transesterification.

Keywords
Sulfated tin oxide; Fe2O3 doping; Promoting effect; Esterification; Transesterification
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Esterification and transesterification on Fe2O3-doped sulfated tin oxide catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 7, 10 March 2011, Pages 593–596
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
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us