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One-step synthesis of ε-caprolactam from cyclohexane and nitrosyl sulfuric acid catalyzed by VPO supported transition metal composites

Paper ID Volume ID Publish Year Pages File Format Full-Text
53024 46896 2008 4 PDF Available
Title
One-step synthesis of ε-caprolactam from cyclohexane and nitrosyl sulfuric acid catalyzed by VPO supported transition metal composites
Abstract

A series of transition metal-doped VPO composite catalysts were prepared by impregnating method, and were employed to catalyze reaction of cyclohexane with nitrosyl sulfuric acid in the presence of fuming sulfuric acid. To our delight, ε-caprolactam was directly obtained from such one-step catalytic process. It was found that Mn/AlVPO gave the best results with 9.8% of conversion and 72.9% of selectivity to ε-caprolactam among present composite catalysts. While the conversion and selectivity are not high at this time to be commercially viable, this discovery establishes a potential new one-step process for making ε-caprolactam from cyclohexane.

Keywords
Cyclohexane; Nitrosyl sulfuric acid; ε-Caprolactam; One-step; VPO composite catalysts
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One-step synthesis of ε-caprolactam from cyclohexane and nitrosyl sulfuric acid catalyzed by VPO supported transition metal composites
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issues 11–12, 30 June 2008, Pages 2136–2139
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