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In situ oxidation for stabilization of Fe/MCM-41 catalyst prepared by metal organic chemical vapor deposition

Paper ID Volume ID Publish Year Pages File Format Full-Text
52571 46877 2007 5 PDF Available
Title
In situ oxidation for stabilization of Fe/MCM-41 catalyst prepared by metal organic chemical vapor deposition
Abstract

Oxygen has been found to be a key factor in the process of metal organic chemical vapour deposition (MOCVD) to stabilize the iron catalyst supported on MCM-41, particularly in the acidic aqueous reaction. Such stabilization is achieved by in situ oxidation of iron, which intercalates oxygen atoms into the framework of both siliceous and ferric oxides by developing Fe–O–Si and Fe–O–Fe bonds, respectively. This stable Fe/MCM-41 catalyst shows an excellent mineralization efficiency of orange II of ∼85% and an extremely low iron leaching concentration of ∼0.17 mg/L. The catalyst maintains its excellent catalytic activity after multiple reaction runs under acidic aqueous medium.

Keywords
MOCVD; Intercalated oxygen; In situ oxidation; Stability; Low leaching
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In situ oxidation for stabilization of Fe/MCM-41 catalyst prepared by metal organic chemical vapor deposition
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 11, November 2007, Pages 1719–1723
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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