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A bimetallic catalyst on a dual component support for low temperature total methane oxidation

Paper ID Volume ID Publish Year Pages File Format Full-Text
45122 46396 2016 11 PDF Available
Title
A bimetallic catalyst on a dual component support for low temperature total methane oxidation
Abstract

•Methane total oxidation at 200 °C.•Steady state observed at 250 °C for 50 h.•High activity derived from dual component support.•Platinum enhances catalyst stability.

Palladium, platinum bimetallic catalysts supported on η-Al2O3, ZSM-5(23) and ZSM-5(80), with and without the addition of TiO2, were prepared and used for low temperature total methane oxidation (TMO). The catalysts were tested under reaction temperatures of 200–500 °C with a GHSV of 100,000 mL g−1 h−1. It was found that all four components, palladium, platinum, an acidic support and oxygen carrier were needed to achieve a highly active and stable catalyst. The optimum support being 17.5% TiO2 on ZSM-5(80) where the T10% was observed at only 200 °C. On addition of platinum, longer time on stream experiments showed no decrease in the catalyst activity over 50 h at 250 °C.

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Keywords
Palladium; Platinum; Titania; Zeolite; Methane oxidation
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A bimetallic catalyst on a dual component support for low temperature total methane oxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 187, 15 June 2016, Pages 408–418
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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