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Direct formation of propanol from a dilute ethylene feed via reductive-hydroformylation using homogeneous rhodium catalysts at low feed pressures

Paper ID Volume ID Publish Year Pages File Format Full-Text
40988 45873 2012 3 PDF Available
Title
Direct formation of propanol from a dilute ethylene feed via reductive-hydroformylation using homogeneous rhodium catalysts at low feed pressures
Abstract

This work details a system for the direct production of propanol from a dilute ethylene stream by reductive hydroformylation catalyzed by soluble rhodium complexes coordinated to tri-aryl or tri-alkyl phosphines.Typically, in commercial production, normal alcohols are produced from primary olefins via a two step process consisting of hydroformylation of the olefins to aldehydes, followed by subsequent hydrogenation of the aldehydes to the corresponding alcohols. This work describes a method to produce propanol directly from dilute ethylene feeds.In addition, the partial pressures of the syngas used in these experiments are significantly lower (approximately an order of magnitude) than reported for nearly all of the other rhodium catalyzed reductive-hydroformylation systems (0.7–70 atm vs. ∼20–700 atm).

Graphical abstract.Figure optionsDownload full-size imageDownload high-quality image (79 K)Download as PowerPoint slideHighlights► Reductive Hydroformylation of ethene to propanol with homogeneous rhodium catalysts. ► Performed on dilute feed streams to simulate waste streams currently burned as fuel. ► Several commercially available phosphine ligands explored. ► Tested at a variety of ethylene:hydrogen:CO ratios to identify best feed composition. ► Observed correlations between product selectivity and catalyst decomposition.

Keywords
Homogeneous; Catalysis; Hydroformylation; Propanol
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Direct formation of propanol from a dilute ethylene feed via reductive-hydroformylation using homogeneous rhodium catalysts at low feed pressures
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volumes 421–422, 16 April 2012, Pages 161–163
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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