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Ethylene synthesis from the oxidative bromination of ethane

Paper ID Volume ID Publish Year Pages File Format Full-Text
42872 45944 2009 7 PDF Available
Title
Ethylene synthesis from the oxidative bromination of ethane
Abstract

Ethylene was prepared from HBr-mediated ethane oxidation. The process includes two catalytic reactions: the oxidative bromination reaction of ethane and the dehydrobromination reaction of bromoethane. In the oxidative bromination reaction of ethane, bromoethane was synthesized by oxidizing ethane in the presence of oxygen and HBr over a catalyst. The second reaction is the dehydrobromination reaction of bromoethane to form ethylene and HBr over a catalyst. An ethane single pass conversion of 33.9% with a bromoethane selectivity of 86.7% was obtained in the oxidative bromination reaction of ethane over catalyst 1.0%LaCl3/5.9%KCl/5.9%FeCl3/SiO2. In the dehydrobromination reaction of bromoethane, a bromoethane conversion of 99.6% with almost 100% of ethylene selectivity was obtained over 12.0 wt%ZnO–SiO2 catalyst.

Graphical abstractEthylene was synthesized from the oxidative bromination of ethane and the dehydrobromination of bromoethane. In the oxidative bromination of ethane, ethane was oxidized to bromoethane by oxygen in the presence of HBr over catalyst 1.0%LaCl3/5.9%KCl/5.9%FeCl3/SiO2. In the second reaction, bromoethane was converted to ethylene over another catalyst 12.0 wt%ZnO–SiO2. Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Ethane oxidation; Bromoethane; Ethylene; Catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 364, Issues 1–2, 31 July 2009, Pages 130–136
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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