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Phosphorus-modified ZSM-5 for conversion of ethanol to propylene

Paper ID Volume ID Publish Year Pages File Format Full-Text
41954 45905 2010 5 PDF Available
Title
Phosphorus-modified ZSM-5 for conversion of ethanol to propylene
Abstract

In this work, phosphorus-modified ZSM-5 zeolites were used to transform ethanol to propylene. The selectivity of propylene formation depended strongly on the phosphorus content in the zeolites; the highest propylene yield (32%) was observed over H-ZSM-5(80) modified with phosphorus at a P/Al molar ratio of 0.5. The enhancement of propylene selectivity with increasing phosphorus content was attributed to reduction of strong acid sites on the H-ZSM-5. Modification of the zeolite with phosphorous also improved the material's catalytic stability.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (65 K)Download as PowerPoint slideResearch highlights▶ Propylene selectivity depends on the phosphorus content. ▶ Phosphorus modification leads to a decrease of strong acid sites. ▶ Reduction of strong acid sites enhances propylene selectivity. ▶ Phosphorous modification improves catalytic stability.

Keywords
ZSM-5; Phosphorus; Ethanol conversion; Propylene; Dealumination
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 384, Issues 1–2, 20 August 2010, Pages 201–205
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
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