Selective methane bromination over sulfated zirconia in SBA-15 catalysts

Volkan Degirmenci; Aysen Yilmaz; Deniz Uner

doi:10.1016/j.cattod.2009.01.011

Selective methane bromination over sulfated zirconia in SBA-15 catalysts

Volkan Degirmenci, Aysen Yilmaz, Deniz Uner

School of Chemistry and Chemical Engineering

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

Methane activation via bromination can be a feasible route with selective synthesis of mono-bromomethane. It is known that the condensation of brominated products into higher hydrocarbons can result in coking and deactivation in the presence of di-bromomethane. In this study, selective production of methyl bromide was investigated over sulfated ZrO2 included SBA-15 structures. It was observed that the higher the ZrO2 amounts the higher the conversion, while the catalyst remained >99% selective for the monobrominated methane. Over 25 mol.% ZrO2 included SBA-15 catalyst with a BET surface area of 246 m(2)/g, methane was brominated with 69% conversion at 340 degrees C and only CH3Br was selectively produced. (C) 2009 Elsevier B.V. All rights reserved

Original language	English
Pages (from-to)	30-33
Number of pages	4
Journal	Catalysis Today
Volume	142
Issue number	1-2
DOIs	https://doi.org/10.1016/j.cattod.2009.01.011
Publication status	Published - 15 Apr 2009

ASJC Scopus subject areas

Catalysis
General Chemistry

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10.1016/j.cattod.2009.01.011

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title = "Selective methane bromination over sulfated zirconia in SBA-15 catalysts",

abstract = "Methane activation via bromination can be a feasible route with selective synthesis of mono-bromomethane. It is known that the condensation of brominated products into higher hydrocarbons can result in coking and deactivation in the presence of di-bromomethane. In this study, selective production of methyl bromide was investigated over sulfated ZrO2 included SBA-15 structures. It was observed that the higher the ZrO2 amounts the higher the conversion, while the catalyst remained >99% selective for the monobrominated methane. Over 25 mol.% ZrO2 included SBA-15 catalyst with a BET surface area of 246 m(2)/g, methane was brominated with 69% conversion at 340 degrees C and only CH3Br was selectively produced. (C) 2009 Elsevier B.V. All rights reserved",

author = "Volkan Degirmenci and Aysen Yilmaz and Deniz Uner",

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T1 - Selective methane bromination over sulfated zirconia in SBA-15 catalysts

AU - Degirmenci, Volkan

AU - Yilmaz, Aysen

AU - Uner, Deniz

PY - 2009/4/15

Y1 - 2009/4/15

N2 - Methane activation via bromination can be a feasible route with selective synthesis of mono-bromomethane. It is known that the condensation of brominated products into higher hydrocarbons can result in coking and deactivation in the presence of di-bromomethane. In this study, selective production of methyl bromide was investigated over sulfated ZrO2 included SBA-15 structures. It was observed that the higher the ZrO2 amounts the higher the conversion, while the catalyst remained >99% selective for the monobrominated methane. Over 25 mol.% ZrO2 included SBA-15 catalyst with a BET surface area of 246 m(2)/g, methane was brominated with 69% conversion at 340 degrees C and only CH3Br was selectively produced. (C) 2009 Elsevier B.V. All rights reserved

AB - Methane activation via bromination can be a feasible route with selective synthesis of mono-bromomethane. It is known that the condensation of brominated products into higher hydrocarbons can result in coking and deactivation in the presence of di-bromomethane. In this study, selective production of methyl bromide was investigated over sulfated ZrO2 included SBA-15 structures. It was observed that the higher the ZrO2 amounts the higher the conversion, while the catalyst remained >99% selective for the monobrominated methane. Over 25 mol.% ZrO2 included SBA-15 catalyst with a BET surface area of 246 m(2)/g, methane was brominated with 69% conversion at 340 degrees C and only CH3Br was selectively produced. (C) 2009 Elsevier B.V. All rights reserved

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DO - 10.1016/j.cattod.2009.01.011

M3 - Article

SN - 0920-5861

VL - 142

SP - 30

EP - 33

JO - Catalysis Today

JF - Catalysis Today

IS - 1-2

ER -

Selective methane bromination over sulfated zirconia in SBA-15 catalysts

Abstract

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