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Selective hydrogenation of maleic anhydride to γ-butyrolactone in supercritical carbon dioxide

Paper ID Volume ID Publish Year Pages File Format Full-Text
52957 46892 2009 4 PDF Available
Title
Selective hydrogenation of maleic anhydride to γ-butyrolactone in supercritical carbon dioxide
Abstract

The reaction rates of the hydrogenation of maleic anhydride (MAH) and succinic anhydride (SAH) were significantly accelerated and the selectivity to γ-butyrolactone (GBL) was enhanced largely when the reaction mixture was pressurized by a non-reactant of CO2. Above 99% selectivity to GBL was achieved in 14 MPa CO2, the superior selectivity in scCO2 was attributed to that MAH and/or SAH could be extracted to CO2 phase and separated from H2O, the hydrolysis were thus minimized and so the selectivity to GBL was improved.

Keywords
Selective hydrogenation; Maleic anhydride; γ-Butyrolactone; Supercritical carbon dioxide; Phase behavior
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Selective hydrogenation of maleic anhydride to γ-butyrolactone in supercritical carbon dioxide
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 5, 25 January 2009, Pages 592–595
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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