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Oxidation catalyst and its preparation

A technology of supporting catalyst and alumina, applied in the field of oxidation catalyst and preparation thereof, can solve the problems such as no disclosure

Inactive Publication Date: 2013-07-31
THE BRITISH PETROLEUM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

JP61000447A does not disclose catalysts for the oxidation of ethane to ethylene and / or acetic acid, and / or the oxidation of ethylene to acetic acid

Method used

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  • Oxidation catalyst and its preparation
  • Oxidation catalyst and its preparation

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preparation example Construction

[0085] Catalyst preparation

[0086] Preparation of Mo, V, Nb, Au slurry

[0087] Prepare three solutions as follows:

[0088] Solution A: Dissolve 427g of ammonium heptamolybdate in 550g of water at 40-45°C under stirring.

[0089] Solution B: Add 149g of ammonium metavanadate to 1500g of water contained in a 2-liter beaker, and heat it to 73°C, the ammonium metavanadate is not completely dissolved.

[0090] Solution C: 158g of ammonium niobium oxalate was added to 600g of water contained in a 6-liter stainless steel beaker, and heated to 45°C, a sol was formed within 30 minutes.

[0091] Add solution C to solution B and hydrolyze at medium heat (defined as about 50-70°C) for 30 minutes. Next, solution A was added to the mixture, which was then stirred at medium temperature for 15 minutes. Then 0.606gAuCl 3 Added to the whole slurry to obtain a slurry containing Mo, V, Nb and Au.

[0092] According to the embodiment of the present invention

[0093] Catalyst A ...

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Abstract

The present invention provides a method of preparation of a supported catalyst composition suitable for the oxidation of ethane to ethylene and / or acetic acid, and / or the oxidation of ethylene to acetic acid, which supported catalyst composition comprises a catalyst, comprising one or more metal components, on a support comprising alpha-alumina, and which method comprises (a) forming a slurry comprising the one or more metal components, and alpha-alumina support particles or an alpha-alumina support precursor, (b) spray-drying the slurry, and, optionally, (c) calcining the spray-dried slurry to form the supported catalyst composition. The present invention also provides a supported catalyst composition formed by the above method, and a process for the selective oxidation of ethane to ethylene and / or acetic acid, and / or the selective oxidation of ethylene to acetic acid utilising the supported catalyst composition.

Description

[0001] This application is a divisional application, the filing date of the parent application is December 11, 2003, the application number is 200380109297.5, and the name is "oxidation catalyst and its preparation method". technical field [0002] The present invention relates to a catalyst for the oxidation of ethane to ethylene and / or acetic acid, and / or ethylene to acetic acid, a process for the preparation of the catalyst, and a process for the production of ethylene and / or acetic acid using the aforementioned catalyst. Background technique [0003] Catalysts suitable for the oxidation of ethane to ethylene and / or acetic acid, and / or the oxidation of ethylene to acetic acid are well known. For example, J. Catal. 52, 116-132 (1978) discloses a mixed oxide catalyst containing molybdenum, vanadium and another transition metal, preferably niobium, for the oxidative dehydrogenation of ethane. The catalyst can be supported on α-alumina. The alumina-supported catalyst was pre...

Claims

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Application Information

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IPC IPC(8): C07C11/04C07C5/48C07C53/08C07C51/215C07C51/25B01J23/68B01J21/04B01J23/00B01J23/652B01J37/00
CPCB01J21/04C07C51/25B01J35/10B01J23/002C07C51/215B01J23/56B01J35/0026C07C5/3332B01J23/6525C07C2523/68B01J35/1009B01J37/0045B01J23/686C07C2521/04B01J2523/00B01J35/31B01J35/612B01J35/60C07C53/08B01J2523/19B01J2523/55B01J2523/56B01J2523/68C07C11/04B01J23/68B01J37/00Y02P20/52
Inventor B.I.罗森
Owner THE BRITISH PETROLEUM CO LTD