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Reaction pathways of halocarbon catalytic oligomerization

Paper ID Volume ID Publish Year Pages File Format Full-Text
50089 46779 2012 4 PDF Available
Title
Reaction pathways of halocarbon catalytic oligomerization
Abstract

The hydrodechlorination of CH2Cl2, CHCl3, and their mixtures catalyzed by a Pt-Co/C catalyst has been investigated in an effort to elucidate the chemistry associated with the generation of hydrocarbon oligomerization products. Both saturated and unsaturated C2 + hydrocarbons were observed with all three reaction mixtures, with the selectivity following the order CH2Cl2 + H2 < CHCl3 + H2 < CH2Cl2 + CHCl3 + H2. The results suggest that C2 + paraffins are formed by means of the alkyl mechanism of hydrocarbon chain growth; whereas, the alkenyl mechanism is responsible for olefin formation.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Catalyzed reactions of CH2Cl2 and CHCl3 with H2 results in C2 + hydrocarbons. ► Mainly paraffins constitute the products of the CH2Cl2 oligomerization. ► Olefins prevail among oligomerization products with the CHCl3 + H2 feed. ► Different mechanisms of C―C chain growth for CH2Cl2 and CHCl3 dechlorinations.

Keywords
Chloromethanes; Hydrodechlorination; Dehalogenative oligomerization; Fischer–Tropsch synthesis; Reaction mechanisms
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 18, 10 February 2012, Pages 98–101
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
You save - $31
Price after discount Only $4.95
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