SG137814A1 - Process for preparing unsaturated aldehyde and unsaturated carboxylic acid - Google Patents
Process for preparing unsaturated aldehyde and unsaturated carboxylic acidInfo
- Publication number
- SG137814A1 SG137814A1 SG200703766-6A SG2007037666A SG137814A1 SG 137814 A1 SG137814 A1 SG 137814A1 SG 2007037666 A SG2007037666 A SG 2007037666A SG 137814 A1 SG137814 A1 SG 137814A1
- Authority
- SG
- Singapore
- Prior art keywords
- mixed oxide
- reactor tube
- carboxylic acid
- packed
- heated
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C27/00—Processes involving the simultaneous production of more than one class of oxygen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
- C07C47/21—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
- C07C47/22—Acryaldehyde; Methacryaldehyde
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
A process for preparing an unsaturated aldehyde and an unsaturated carboxylic acid by supplying propylene, isobutylene and/or tert.-butyl alcohol together with molecular oxygen in a reactor tube packed with mixed oxide catalysts and performing a catalytic oxidation reaction in a gas phase in the reactor tube, in which the reactor tube is packed with plural mixed oxide catalysts having different catalytic activities which are heated in the presence of a reducing compound, or packed with a mixed oxide catalyst which is heated in the presence of a reducing compound and a mixed oxide catalyst which is not heated in the presence of a reducing compound, such that the catalytic activities of the catalysts increase from an inlet for a raw material gas to an outlet of the reactor tube.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006156917A JP4265621B2 (en) | 2006-06-06 | 2006-06-06 | Process for producing unsaturated aldehyde and unsaturated carboxylic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
SG137814A1 true SG137814A1 (en) | 2007-12-28 |
Family
ID=38871510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200703766-6A SG137814A1 (en) | 2006-06-06 | 2007-05-24 | Process for preparing unsaturated aldehyde and unsaturated carboxylic acid |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4265621B2 (en) |
KR (1) | KR20070116724A (en) |
SG (1) | SG137814A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5045175B2 (en) * | 2007-03-22 | 2012-10-10 | 住友化学株式会社 | Process for producing unsaturated aldehyde and / or unsaturated carboxylic acid |
JP5163273B2 (en) * | 2008-05-16 | 2013-03-13 | 住友化学株式会社 | Method for producing catalyst for producing unsaturated aldehyde and / or unsaturated carboxylic acid, and method for producing unsaturated aldehyde and / or unsaturated carboxylic acid |
FR2934262B1 (en) * | 2008-07-22 | 2012-08-10 | Arkema France | PROCESS FOR THE PRODUCTION OF DIALCOXYALKANES BY PARTIAL OXIDATION OF LOWER ALCOHOLS IN THE PRESENCE OF A CATALYST BASED ON A MIXED OXIDE OF MOLYBDENES |
JP5547922B2 (en) | 2009-07-31 | 2014-07-16 | 住友化学株式会社 | Method for producing composite oxide containing molybdenum and cobalt |
JP5387297B2 (en) | 2009-09-30 | 2014-01-15 | 住友化学株式会社 | Method for producing composite oxide catalyst |
JP2012158482A (en) | 2011-01-31 | 2012-08-23 | Sumitomo Chemical Co Ltd | Method for recovering molybdenum and cobalt |
JP2014019675A (en) * | 2012-07-20 | 2014-02-03 | Nippon Kayaku Co Ltd | Process for producing unsaturated aldehyde and/or unsaturated carboxylic acid |
KR101819465B1 (en) | 2013-07-18 | 2018-01-17 | 닛뽄 가야쿠 가부시키가이샤 | Method for manufacturing unsaturated aldehyde and/or unsaturated carboxylic acid |
JP2016106082A (en) * | 2015-11-24 | 2016-06-16 | 日本化薬株式会社 | Method for producing unsaturated aldehyde and/or unsaturated carboxylic acid |
-
2006
- 2006-06-06 JP JP2006156917A patent/JP4265621B2/en not_active Expired - Fee Related
-
2007
- 2007-05-24 SG SG200703766-6A patent/SG137814A1/en unknown
- 2007-05-31 KR KR1020070053441A patent/KR20070116724A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
KR20070116724A (en) | 2007-12-11 |
JP2007326787A (en) | 2007-12-20 |
JP4265621B2 (en) | 2009-05-20 |
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