アクロレインをアクリル酸に接触気相酸化する方法

Title:

アクロレインをアクリル酸に接触気相酸化する方法

Document Type and Number:

Japanese Patent JP5348814

Kind Code:

B2

Abstract:

In a process for the catalytic gas-phase oxidation of acrolein to acrylic acid, the reaction gas starting mixture is passed, with an acrolein loading of >=150 l (s.t.p.)/l.h, over a fixed-bed catalyst which is housed in two spatially successive reaction zones A, B, the reaction zone B being kept at a higher temperature than the reaction zone A.

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Inventors:

Jigne Unfairicht
Heiko Arnold
Andreas Tenten
Ulrich Hammon

Application Number:

JP2000604000A

Publication Date:

November 20, 2013

Filing Date:

February 28, 2000

Export Citation:

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Assignee:

BASF SE

International Classes:

B01J8/02; B01J23/88; B01J8/04; C07C51/235; B01J8/06; B01J23/887; B01J37/02; C07B61/00; C07C51/25; C07C57/04; C07C57/055

Domestic Patent References:

JP5421966A
JP3218334A
JP892154A

Attorney, Agent or Firm:

Takuya Kuno
Toshio Yano
Takahashi
Kimihiro Hoshi
Hiroyasu Ninomiya
Ryoichi Shino
Einzel Felix-Reinhard
Yasushi Miyagi

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Next Patent: JPS5348815