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Direct synthesis of hydrogen peroxide from hydrogen and oxygen over palladium-exchanged insoluble heteropolyacid catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
51739 46852 2009 4 PDF Available
Title
Direct synthesis of hydrogen peroxide from hydrogen and oxygen over palladium-exchanged insoluble heteropolyacid catalysts
Abstract

Palladium-exchanged insoluble heteropolyacid (Pd0.15CsxH2.7−xPW12O40) catalysts were prepared with a variation of cesium content (x = 2.0, 2.2, 2.5, and 2.7), and were applied to the direct synthesis of hydrogen peroxide from hydrogen and oxygen. Pd0.15CsxH2.7−xPW12O40 showed high catalytic performance even in the absence of H2SO4 additive, indicating that Pd0.15CsxH2.7−xPW12O40 acted as an efficient catalyst and served as an alternate acid source in the reaction. The catalytic performance of Pd0.15CsxH2.7−xPW12O40 increased with increasing surface acidity of the catalyst. Among the catalysts tested, Pd0.15Cs2.5H0.2PW12O40 catalyst with the largest surface acidity showed the highest yield for hydrogen peroxide.

Keywords
Hydrogen peroxide; Hydrogen; Oxygen; Insoluble heteropolyacid; Palladium
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Direct synthesis of hydrogen peroxide from hydrogen and oxygen over palladium-exchanged insoluble heteropolyacid catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 4, 10 January 2009, Pages 391–394
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
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Any Questions? feel free to contact us