MCM-48 Supported Tungstophosphoric Acid:  An Efficient Catalyst for the Esterification of Long-Chain Fatty Acids and Alcohols in Supercritical Carbon Dioxide

Tungstophosphoric acid (HPW) and MCM-48-supported HPW catalysts are potential catalysts for the esterification of long-chain fatty acids and alcohols in supercritical CO2 medium even at low temperature (100 °C) and a short reaction period (6 h). The high performances of HPW in sc-CO2 medium are due...

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Published in:Industrial & engineering chemistry research 2008-04, Vol.47 (8), p.2538-2544
Main Authors: Sakthivel, Ayyamperumal, Komura, Kenichi, Sugi, Yoshihiro
Format: Article
Language:English
Subjects:
Applied sciences
Catalysis
Catalytic reactions
Chemical engineering
Chemistry
Exact sciences and technology
General and physical chemistry
Reactors
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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description Tungstophosphoric acid (HPW) and MCM-48-supported HPW catalysts are potential catalysts for the esterification of long-chain fatty acids and alcohols in supercritical CO2 medium even at low temperature (100 °C) and a short reaction period (6 h). The high performances of HPW in sc-CO2 medium are due to the effective mass transfer of reactants and products for the catalysis under the conditions. The yields of esters were enhanced with the increase in the chain length of acids and alcohols in the esterification in sc-CO2 medium. The MCM-48-supported HPW catalysts were active even after several recycle experiments.
doi_str_mv 10.1021/ie071314z
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subjects Applied sciences
Catalysis
Catalytic reactions
Chemical engineering
Chemistry
Exact sciences and technology
General and physical chemistry
Reactors
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
title MCM-48 Supported Tungstophosphoric Acid:  An Efficient Catalyst for the Esterification of Long-Chain Fatty Acids and Alcohols in Supercritical Carbon Dioxide
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