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Catalytic decomposition of CH2Cl2 over supported Ru catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
50899 46821 2013 4 PDF Available
Title
Catalytic decomposition of CH2Cl2 over supported Ru catalysts
Abstract

•RuO2 catalyst highly dispersed on TiO2 was prepared by wet impregnation.•Ru/TiO2 presents high activity and stability for CH2Cl2.•The removal of Cl species from catalyst surface is promoted by RuO2.•The removal of Cl species is critical to activity and stability.

Ru/TiO2 and Ru/Al2O3 were prepared by wet impregnation of TiO2 and Al2O3, and tested in the catalytic decomposition of dichloromethane (DCM). Ru/TiO2 catalyst presents the higher activity than Ru/Al2O3 catalyst, with 50% and 90% conversion occurring at 235 and 267 °C, respectively. Moreover, the higher stability on Ru/TiO2 catalyst is observed, which can be related to ready removal of Cl species produced during DCM decomposition. The chlorine uptake on Ru/TiO2 catalyst is estimated at 240 °C to be 0.36 mmol Cl/gcat, while on Ru/Al2O3, the value is 1.46 mmol Cl/gcat.

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Keywords
Dichloromethane; Catalytic decomposition; Cl removal; Ru/TiO2; Ru/Al2O3
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Catalytic decomposition of CH2Cl2 over supported Ru catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 37, 5 July 2013, Pages 5–8
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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