JPS5379836A - Preparation of terephthalic acid - Google Patents
Preparation of terephthalic acidInfo
- Publication number
- JPS5379836A JPS5379836A JP15580776A JP15580776A JPS5379836A JP S5379836 A JPS5379836 A JP S5379836A JP 15580776 A JP15580776 A JP 15580776A JP 15580776 A JP15580776 A JP 15580776A JP S5379836 A JPS5379836 A JP S5379836A
- Authority
- JP
- Japan
- Prior art keywords
- terephthalic acid
- preparation
- solvent
- catalyst
- xylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
PURPOSE: To obtain terephthalic acid continuously by the oxidation of p-xylene using acetic acid as solvent at specific temperature maintaining specific water content in the presence of a Co-Mn-Br catalyst under the condition where the catalyst shows high activity and the amount of the solvent combustion is low.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15580776A JPS5379836A (en) | 1976-12-24 | 1976-12-24 | Preparation of terephthalic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15580776A JPS5379836A (en) | 1976-12-24 | 1976-12-24 | Preparation of terephthalic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5379836A true JPS5379836A (en) | 1978-07-14 |
Family
ID=15613874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15580776A Pending JPS5379836A (en) | 1976-12-24 | 1976-12-24 | Preparation of terephthalic acid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5379836A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5409579A (en) * | 1993-07-12 | 1995-04-25 | Glitsch, Inc. | Method for recovering acetic acid from aqueous streams |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5032140A (en) * | 1973-07-28 | 1975-03-28 | ||
| JPS51136642A (en) * | 1975-05-22 | 1976-11-26 | Kuraray Yuka Kk | Process for preparation of terephthalic acid |
-
1976
- 1976-12-24 JP JP15580776A patent/JPS5379836A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5032140A (en) * | 1973-07-28 | 1975-03-28 | ||
| JPS51136642A (en) * | 1975-05-22 | 1976-11-26 | Kuraray Yuka Kk | Process for preparation of terephthalic acid |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5409579A (en) * | 1993-07-12 | 1995-04-25 | Glitsch, Inc. | Method for recovering acetic acid from aqueous streams |
| US5492603A (en) * | 1993-07-12 | 1996-02-20 | Glitsch, Inc. | Apparatus for recovering acetic acid from aqueous streams |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS52108917A (en) | Preparation of acrylic acid by vapor-phase catalytic oxidation of prop ylene | |
| JPS51127031A (en) | Preparation of polyethylene terephthalate | |
| JPS5239643A (en) | A process for preparing terephtalic acid | |
| JPS5422318A (en) | Preparation of methacrylic acid | |
| JPS5291835A (en) | Prepation of terephtalic acid for direct polymerization | |
| JPS5382720A (en) | Preparation of unsaturated carboxylic acids and their esters | |
| JPS5353634A (en) | Preparation of highly pure | |
| JPS5384931A (en) | Preparation of terephthalic acid | |
| JPS52111587A (en) | Preparation of 6-aminopenam carboxylic acid-1-oxide or its derivatives | |
| JPS5371026A (en) | Preparation of purified terephthalic acid | |
| JPS5365841A (en) | Preparation of terephthalic acid | |
| JPS52125137A (en) | Oxidation of p-phenoxytoluene | |
| JPS5384932A (en) | Preparation of terephthalic acid | |
| JPS5359622A (en) | Preparation of saccharic acid salt mixture | |
| JPS52128339A (en) | Preparation of formylated phenoxy compounds | |
| JPS5359639A (en) | Preparation of terephthalic acid | |
| JPS5291817A (en) | Preparation of 1,4-diacetoxy-cis-2-butene | |
| JPS52153908A (en) | Preparation of allyl acetic acid | |
| JPS5337609A (en) | Preparation of unsaturated glycol diester | |
| JPS5365807A (en) | Preparation of diols | |
| JPS5365840A (en) | Preparation of 3-alkoxy-4-hydroxy-benzaldehyde and 5-alkoxy-4-hydroxyisophthalaldehyde | |
| JPS52133942A (en) | Treatment of reaction mother liquor | |
| JPS5251313A (en) | Process for preparation of diacetoxybutene | |
| JPS53103412A (en) | Preparation of farnesyl acetic acid or its ester | |
| JPS51115413A (en) | Process for preparation of unsaturated carboxylic acids |