PROCESS FOR CATALYTIC VAPOR PHASE OXIDATION

Title:

PROCESS FOR CATALYTIC VAPOR PHASE OXIDATION

Document Type and Number:

WIPO Patent Application WO/2003/076373

Kind Code:

A1

Abstract:

A process for catalytic vapor phase oxidation wherein a raw material gas is introduced for oxidation into a reaction tube of a multi-tubular reactor which is equipped with, arranged within the shell of the reactor, a plurality of reaction tubes having a catalyst packed therein and a plurality of baffle plates for converting the direction of the flow of a heating medium introduced into the shell, characterized in that the temperature of the catalyst packed in a reaction tube which is connected with no baffle plates is measured at plural points. The process allows the prevention of runaway reaction or early deterioration of a catalyst, in the production of (meth)acrylic acid or the like from propylene or isobutylene by a catalytic vapor phase oxidation process using a multi-tubular reactor, which leads to the production thereof with stability in high yield for a long period of time.

Inventors:

SAKAKURA YASUYUKI (JP)
YADA SHUHEI (JP)
JINNO KIMIKATSU (JP)
HOSAKA HIROCHIKA (JP)
SUZUKI YOSHIRO (JP)

Application Number:

PCT/JP2003/002855

Publication Date:

September 18, 2003

Filing Date:

March 11, 2003

Export Citation:

Click for automatic bibliography generation Help

Assignee:

MITSUBISHI CHEM CORP (JP)
SAKAKURA YASUYUKI (JP)
YADA SHUHEI (JP)
JINNO KIMIKATSU (JP)
HOSAKA HIROCHIKA (JP)
SUZUKI YOSHIRO (JP)

International Classes:

B01J8/06; C07C45/35; C07C51/25; C07C27/04; (IPC1-7): C07C27/14; C07C51/25; C07C57/05; C07C45/35; C07C47/22; B01J8/02

Domestic Patent References:

WO2001042184A1

2001-06-14

Foreign References:

EP1080780A1	2001-03-07
US5821390A	1998-10-13
JPH10309457A	1998-11-24
EP1270065A1	2003-01-02
EP1080780A1	2001-03-07

Other References: