Oxidation of butane over vanadium-phosphorus oxides of P/V ≥ 2

Daxiang Wang; Mayfair C. Kung; Harold H. Kung

doi:10.1023/a:1019000817991

Oxidation of butane over vanadium-phosphorus oxides of P/V ≥ 2

Daxiang Wang, Mayfair C. Kung, Harold H. Kung^*

^*Corresponding author for this work

Chemical and Biological Engineering

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

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Abstract

Two mixed oxides of vanadium and phosphorus, with phosphorus to vanadium atomic ratio (P/V) about 2 and 2.4, were studied as catalysts for selective oxidation of butane to maleic anhydride. The sample with P/V about 2 was poorly crystalline, contained a small amount of V(V), and oxidized butane to maleic anhydride with about 50% selectivity. The sample with P/V about 2.4 contained well crystalline VO(PO₃)₂ phase, but it deactivated with time-on-stream with the formation of V(PO₃)₃. The results suggested that the two samples differed greatly in their rates of oxidation of the vanadium ions.

Original language	English (US)
Pages (from-to)	9-17
Number of pages	9
Journal	Catalysis Letters
Volume	65
Issue number	1-3
DOIs	https://doi.org/10.1023/a:1019000817991
State	Published - Mar 2000

Keywords

Butane oxidation
Maleic anhydride
VPO catalysts
Vanadyl metaphosphate

ASJC Scopus subject areas

Catalysis
General Chemistry

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title = "Oxidation of butane over vanadium-phosphorus oxides of P/V ≥ 2",

abstract = "Two mixed oxides of vanadium and phosphorus, with phosphorus to vanadium atomic ratio (P/V) about 2 and 2.4, were studied as catalysts for selective oxidation of butane to maleic anhydride. The sample with P/V about 2 was poorly crystalline, contained a small amount of V(V), and oxidized butane to maleic anhydride with about 50% selectivity. The sample with P/V about 2.4 contained well crystalline VO(PO3)2 phase, but it deactivated with time-on-stream with the formation of V(PO3)3. The results suggested that the two samples differed greatly in their rates of oxidation of the vanadium ions.",

keywords = "Butane oxidation, Maleic anhydride, VPO catalysts, Vanadyl metaphosphate",

author = "Daxiang Wang and Kung, {Mayfair C.} and Kung, {Harold H.}",

year = "2000",

month = mar,

doi = "10.1023/a:1019000817991",

language = "English (US)",

volume = "65",

pages = "9--17",

journal = "Catalysis Letters",

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TY - JOUR

T1 - Oxidation of butane over vanadium-phosphorus oxides of P/V ≥ 2

AU - Wang, Daxiang

AU - Kung, Mayfair C.

AU - Kung, Harold H.

PY - 2000/3

Y1 - 2000/3

N2 - Two mixed oxides of vanadium and phosphorus, with phosphorus to vanadium atomic ratio (P/V) about 2 and 2.4, were studied as catalysts for selective oxidation of butane to maleic anhydride. The sample with P/V about 2 was poorly crystalline, contained a small amount of V(V), and oxidized butane to maleic anhydride with about 50% selectivity. The sample with P/V about 2.4 contained well crystalline VO(PO3)2 phase, but it deactivated with time-on-stream with the formation of V(PO3)3. The results suggested that the two samples differed greatly in their rates of oxidation of the vanadium ions.

AB - Two mixed oxides of vanadium and phosphorus, with phosphorus to vanadium atomic ratio (P/V) about 2 and 2.4, were studied as catalysts for selective oxidation of butane to maleic anhydride. The sample with P/V about 2 was poorly crystalline, contained a small amount of V(V), and oxidized butane to maleic anhydride with about 50% selectivity. The sample with P/V about 2.4 contained well crystalline VO(PO3)2 phase, but it deactivated with time-on-stream with the formation of V(PO3)3. The results suggested that the two samples differed greatly in their rates of oxidation of the vanadium ions.

KW - Butane oxidation

KW - Maleic anhydride

KW - VPO catalysts

KW - Vanadyl metaphosphate

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DO - 10.1023/a:1019000817991

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JO - Catalysis Letters

JF - Catalysis Letters

IS - 1-3

ER -

Oxidation of butane over vanadium-phosphorus oxides of P/V ≥ 2

Abstract

Keywords

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