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Optimization of the activity of CaO/Al2O3 catalyst for biodiesel production using response surface methodology

Paper ID Volume ID Publish Year Pages File Format Full-Text
42768 45940 2009 6 PDF Available
Title
Optimization of the activity of CaO/Al2O3 catalyst for biodiesel production using response surface methodology
Abstract

In this work the response surface methodology (RSM) in conjunction with the central composite design (CCD) were used to optimize the activity of CaO/Al2O3 solid catalysts for the production of biodiesel. In order to measure the catalyst activity, we used palm oil as a representative raw material for the conversion to biodiesel. The biodiesel production was carried out in a batch laboratory scale reactor. The results showed that both the calcination temperature and the amount of calcium oxide loaded on the support had significant positive effects on the biodiesel yield. The maximum basicity and biodiesel yield obtained were about 194 μmol/g and 94%, respectively. Overall, the catalyst showed high performance at moderate operating conditions and its activity was maintained after two cycles.

Graphical abstractThe catalytic activity of CaO/Al2O3 was optimized for transesterification of palm oil using response surface methodology. The results proved that both the loading amount of CaO on the support and the calcination temperature had significant effects on the biodiesel yield. The maximum basicity and methyl ester yields obtained were approximately 194 μmol/g and 94%, respectively.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Alumina; Calcium oxide; Optimization; Solid catalyst; Transesterification
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Optimization of the activity of CaO/Al2O3 catalyst for biodiesel production using response surface methodology
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 366, Issue 1, 15 September 2009, Pages 154–159
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