Title:
Verfahren zur herstellung von acrolein oder acrylsaeure oder deren gemisch aus propan
Document Type and Number:
WIPO Patent Application WO2001096270
Kind Code:
A3
Abstract:
In a process for the preparation of acrolein or acrylic acid or a mixture thereof from propane, the propane is subjected, in a first reaction stage, to a partial dehydrogenation under heterogeneous catalysis to give propene, of the components contained in the product gas mixture formed in the first reaction stage other than propene and propane at least a portion of the molecular hydrogen present is then separated off from said mixture and the product gas mixture is then used for the preparation of acrolein and/or acrylic acid by gas-phase catalytic propylene oxidation, molecular nitrogen being present for diluting the reaction gas mixture during the propylene oxidation.
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Inventors:
MACHHAMMER OTTO (DE)
SCHINDLER GOETZ-PETER (DE)
TENTEN ANDREAS (DE)
HARTH KLAUS (DE)
ZEHNER PETER (DE)
MUELLER-ENGEL KLAUS JOACHIM (DE)
ROSOWSKI FRANK (DE)
BORGMEIER FRIEDER (DE)
SCHINDLER GOETZ-PETER (DE)
TENTEN ANDREAS (DE)
HARTH KLAUS (DE)
ZEHNER PETER (DE)
MUELLER-ENGEL KLAUS JOACHIM (DE)
ROSOWSKI FRANK (DE)
BORGMEIER FRIEDER (DE)
Application Number:
PCT/EP2001/006528
Publication Date:
April 25, 2002
Filing Date:
June 08, 2001
Export Citation:
Assignee:
BASF AG (DE)
International Classes:
C07B61/00; C07C5/333; C07C11/06; C07C45/33; C07C45/35; C07C47/22; C07C51/215; C07C51/25; C07C27/14; C07C57/04; C07C57/05; C07C57/07; (IPC1-7): C07C45/33; C07C45/35; C07C47/22; C07C51/215; C07C51/25; C07C57/04; C07C5/333; C07C11/06
Foreign References:
| GB2118939A | 1983-11-09 | |||
| DE19622331A1 | 1997-12-11 | |||
| US5198578A | 1993-03-30 | |||
| EP0731077A2 | 1996-09-11 | |||
| EP0731082A1 | 1996-09-11 |
Other References:
DATABASE WPI Section Ch Derwent World Patents Index; Class A00, AN 1968-04476Q, XP002190603
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