Acetic acid stability in the presence of oxygen over vanadium phosphate catalysts: comments on the design of catalysts for the selective oxidation of ethane

J. A. Lopez-Sanchez; R. Tanner; P. Collier; Richard Peter Kerwin Wells; C. Rhodes; G. J. Hutchings

Acetic acid stability in the presence of oxygen over vanadium phosphate catalysts: comments on the design of catalysts for the selective oxidation of ethane

J. A. Lopez-Sanchez, R. Tanner, P. Collier, Richard Peter Kerwin Wells, C. Rhodes, G. J. Hutchings

Chemistry

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

9 Citations (Scopus)

Abstract

The stability of acetic acid in the presence of excess oxygen is evaluated for a range of vanadium phosphate and oxide catalysts. In the temperature range 300-400 degreesC most oxides catalyse the total oxidation of acetic acid to carbon dioxide and water. However, over molybdenum oxide acetic acid oxidation is not significant. This is consistent with Mo being a major component of oxide catalysts that have, to date, been identified for the selective oxidation of ethane to acetic acid at this temperature. Interestingly, VO(H2PO4)(2), a phase that is very non-selective for the partial oxidation of n-butane, exhibits the highest stability for acetic acid under oxidising conditions. It is proposed that catalysts based on VO(H2PO4)(2) may provide the basis of improved ethane partial oxidation catalysts. (C) 2002 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	323-327
Number of pages	4
Journal	Applied Catalysis A: General
Volume	226
Publication status	Published - 2002

Keywords

vanadium phosphate catalysts
acetic acid decomposition
METHANE PARTIAL OXIDATION
OXIDE CATALYSTS
N-BUTANE
TOOL

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title = "Acetic acid stability in the presence of oxygen over vanadium phosphate catalysts: comments on the design of catalysts for the selective oxidation of ethane",

abstract = "The stability of acetic acid in the presence of excess oxygen is evaluated for a range of vanadium phosphate and oxide catalysts. In the temperature range 300-400 degreesC most oxides catalyse the total oxidation of acetic acid to carbon dioxide and water. However, over molybdenum oxide acetic acid oxidation is not significant. This is consistent with Mo being a major component of oxide catalysts that have, to date, been identified for the selective oxidation of ethane to acetic acid at this temperature. Interestingly, VO(H2PO4)(2), a phase that is very non-selective for the partial oxidation of n-butane, exhibits the highest stability for acetic acid under oxidising conditions. It is proposed that catalysts based on VO(H2PO4)(2) may provide the basis of improved ethane partial oxidation catalysts. (C) 2002 Elsevier Science B.V. All rights reserved.",

keywords = "vanadium phosphate catalysts, acetic acid decomposition, METHANE PARTIAL OXIDATION, OXIDE CATALYSTS, N-BUTANE, TOOL",

author = "Lopez-Sanchez, {J. A.} and R. Tanner and P. Collier and Wells, {Richard Peter Kerwin} and C. Rhodes and Hutchings, {G. J.}",

year = "2002",

language = "English",

volume = "226",

pages = "323--327",

journal = "Applied Catalysis A: General",

issn = "0926-860X",

publisher = "Elsevier",

}

TY - JOUR

T1 - Acetic acid stability in the presence of oxygen over vanadium phosphate catalysts: comments on the design of catalysts for the selective oxidation of ethane

AU - Lopez-Sanchez, J. A.

AU - Tanner, R.

AU - Collier, P.

AU - Wells, Richard Peter Kerwin

AU - Rhodes, C.

AU - Hutchings, G. J.

PY - 2002

Y1 - 2002

N2 - The stability of acetic acid in the presence of excess oxygen is evaluated for a range of vanadium phosphate and oxide catalysts. In the temperature range 300-400 degreesC most oxides catalyse the total oxidation of acetic acid to carbon dioxide and water. However, over molybdenum oxide acetic acid oxidation is not significant. This is consistent with Mo being a major component of oxide catalysts that have, to date, been identified for the selective oxidation of ethane to acetic acid at this temperature. Interestingly, VO(H2PO4)(2), a phase that is very non-selective for the partial oxidation of n-butane, exhibits the highest stability for acetic acid under oxidising conditions. It is proposed that catalysts based on VO(H2PO4)(2) may provide the basis of improved ethane partial oxidation catalysts. (C) 2002 Elsevier Science B.V. All rights reserved.

AB - The stability of acetic acid in the presence of excess oxygen is evaluated for a range of vanadium phosphate and oxide catalysts. In the temperature range 300-400 degreesC most oxides catalyse the total oxidation of acetic acid to carbon dioxide and water. However, over molybdenum oxide acetic acid oxidation is not significant. This is consistent with Mo being a major component of oxide catalysts that have, to date, been identified for the selective oxidation of ethane to acetic acid at this temperature. Interestingly, VO(H2PO4)(2), a phase that is very non-selective for the partial oxidation of n-butane, exhibits the highest stability for acetic acid under oxidising conditions. It is proposed that catalysts based on VO(H2PO4)(2) may provide the basis of improved ethane partial oxidation catalysts. (C) 2002 Elsevier Science B.V. All rights reserved.

KW - vanadium phosphate catalysts

KW - acetic acid decomposition

KW - METHANE PARTIAL OXIDATION

KW - OXIDE CATALYSTS

KW - N-BUTANE

KW - TOOL

M3 - Article

VL - 226

SP - 323

EP - 327

JO - Applied Catalysis A: General

JF - Applied Catalysis A: General

SN - 0926-860X

ER -

Acetic acid stability in the presence of oxygen over vanadium phosphate catalysts: comments on the design of catalysts for the selective oxidation of ethane

Abstract

Keywords

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