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Studies on mechanism for homogeneous catalytic hydration of ethylene oxide: Effects of pH window and esterification

Paper ID Volume ID Publish Year Pages File Format Full-Text
51664 46849 2010 4 PDF Available
Title
Studies on mechanism for homogeneous catalytic hydration of ethylene oxide: Effects of pH window and esterification
Abstract

Selective hydration of ethylene oxide (EO) was investigated with several inorganic salt systems as homogeneous catalysts. By optimizing reaction conditions, the highest monoethylene glycol (MEG) selectivity of 98% was obtained with >99% EO conversion at a water/EO molar ratio = 10. The effects of pH value and anion addition–esterification on MEG selectivity were systematically studied, and a comprehensive mechanism was proposed based on the results. The conclusion should be useful in developing high performance catalysts for the manufacture of MEG by EO hydration at a low water/EO ratio.

Keywords
Ethylene oxide; Catalytic hydration; Monoethylene glycol; pH window; Esterification
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Studies on mechanism for homogeneous catalytic hydration of ethylene oxide: Effects of pH window and esterification
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 5, 25 January 2010, Pages 447–450
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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