GB1152576A - Purification of Aromatic Polycarboxylic Acids. - Google Patents
Purification of Aromatic Polycarboxylic Acids.Info
- Publication number
- GB1152576A GB1152576A GB2165566A GB2165566A GB1152576A GB 1152576 A GB1152576 A GB 1152576A GB 2165566 A GB2165566 A GB 2165566A GB 2165566 A GB2165566 A GB 2165566A GB 1152576 A GB1152576 A GB 1152576A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polycarboxylic acids
- aromatic polycarboxylic
- purification
- acids
- acid
- 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.)
- Expired
Links
- 239000002253 acid Substances 0.000 title abstract 4
- 150000007513 acids Chemical class 0.000 title abstract 3
- 125000003118 aryl group Chemical group 0.000 title abstract 3
- 238000000746 purification Methods 0.000 title abstract 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 238000005984 hydrogenation reaction Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical class C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45621865A | 1965-05-17 | 1965-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1152576A true GB1152576A (en) | 1969-05-21 |
Family
ID=23811928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2165566A Expired GB1152576A (en) | 1965-05-17 | 1966-05-16 | Purification of Aromatic Polycarboxylic Acids. |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5132618B1 (enExample) |
| AT (1) | AT290506B (enExample) |
| BE (1) | BE681179A (enExample) |
| CH (1) | CH457396A (enExample) |
| DE (1) | DE1593541A1 (enExample) |
| ES (1) | ES326852A1 (enExample) |
| GB (1) | GB1152576A (enExample) |
| NL (1) | NL6606727A (enExample) |
| SE (1) | SE344584B (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0083224A1 (en) * | 1981-12-28 | 1983-07-06 | Mitsubishi Gas Chemical Company, Inc. | Process for producing aromatic polycarboxylic acid with high purity |
| EP0445446A1 (en) * | 1988-10-13 | 1991-09-11 | Amoco Corporation | Purification of crude isophthalic acid |
| US5189209A (en) * | 1990-05-17 | 1993-02-23 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure isophthalic acid |
| EP0764627A1 (en) * | 1995-09-22 | 1997-03-26 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid |
| CN103288632A (zh) * | 2013-06-19 | 2013-09-11 | 中国石油化工股份有限公司 | 一种粗均苯三甲酸精制的方法 |
-
1966
- 1966-05-04 JP JP2797466A patent/JPS5132618B1/ja active Pending
- 1966-05-16 GB GB2165566A patent/GB1152576A/en not_active Expired
- 1966-05-17 NL NL6606727A patent/NL6606727A/xx unknown
- 1966-05-17 SE SE685566A patent/SE344584B/xx unknown
- 1966-05-17 BE BE681179D patent/BE681179A/xx not_active IP Right Cessation
- 1966-05-17 AT AT466166A patent/AT290506B/de not_active IP Right Cessation
- 1966-05-17 CH CH712966A patent/CH457396A/fr unknown
- 1966-05-17 ES ES0326852A patent/ES326852A1/es not_active Expired
- 1966-05-17 DE DE19661593541 patent/DE1593541A1/de active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0083224A1 (en) * | 1981-12-28 | 1983-07-06 | Mitsubishi Gas Chemical Company, Inc. | Process for producing aromatic polycarboxylic acid with high purity |
| EP0445446A1 (en) * | 1988-10-13 | 1991-09-11 | Amoco Corporation | Purification of crude isophthalic acid |
| US5189209A (en) * | 1990-05-17 | 1993-02-23 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure isophthalic acid |
| EP0764627A1 (en) * | 1995-09-22 | 1997-03-26 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid |
| US5705682A (en) * | 1995-09-22 | 1998-01-06 | Mitsubishi Gas Chemical Company, Inc. | Process for producing highly pure terephthalic acid |
| CN103288632A (zh) * | 2013-06-19 | 2013-09-11 | 中国石油化工股份有限公司 | 一种粗均苯三甲酸精制的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6606727A (enExample) | 1966-11-18 |
| DE1593541A1 (de) | 1970-05-21 |
| SE344584B (enExample) | 1972-04-24 |
| ES326852A1 (es) | 1967-03-16 |
| CH457396A (fr) | 1968-06-15 |
| JPS5132618B1 (enExample) | 1976-09-14 |
| AT290506B (de) | 1971-06-11 |
| BE681179A (enExample) | 1966-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1152575A (en) | Purification of Aromatic Polycarboxylic Acids. | |
| ES426529A1 (es) | Procedimiento de oxidacion de di- o trime-tilbencenos. | |
| TW326037B (en) | Process for the production of terephthalic acid | |
| US2423180A (en) | Process for the reduction of nitronaphthenes | |
| DE3676444D1 (de) | Reinigung von terephthalsaeure zu einem relativ niedrigen gehalt an 4-carboxybenzaldehyd und katalysator hierfuer. | |
| GB536491A (en) | A process for the production of aromatic hydrocarbons from unsaturated hydrocarbons | |
| GB1143213A (en) | A process for the production of carboxylic acids | |
| GB1413488A (en) | Recovery of cobalt and manganese acetates | |
| GB994769A (en) | Purification of terephthalic acid | |
| GB1134949A (en) | Method for treating crude bis--ß-hydroxyethyl terephthalate | |
| GB1152577A (en) | Purification of Aromatic Polycarboxylic Acids. | |
| KR890014167A (ko) | 조 테레프탈산의 정제에 사용되는 8족 귀금속 촉매의 재활성화 방법 | |
| GB1398530A (en) | Production of carboxylic acids and anhydrides | |
| GB1071350A (en) | Process for the preparation of high purity terephthalic acid | |
| GB1308412A (en) | Purification of polyglycerols | |
| GB1294432A (en) | Purification of carboxylic acid streams | |
| GB1386886A (en) | Process for reforming crude synthetic fatty acids | |
| AT246733B (de) | Verfahren zur Herstellung von Naphthochinon durch katalytische Gasphasenoxydation von Naphthalin und Katalysator zur Durchführung dieses Verfahrens | |
| KR920002512A (ko) | 정제 테레프탈산의 제조방법 | |
| KR850000379A (ko) | p-크레졸의 제법 | |
| GB932246A (en) | Purification of phthalic acids | |
| GB1386582A (en) | Process for the purification of aromatic acids by solvent extraction | |
| GB982629A (en) | A process for the purification of terephthalic acid | |
| ES326852A1 (es) | Procedimiento de purificacion de acido policarboxilico aromatico. | |
| ES282073A1 (es) | Procedimiento de recuperación de catalizador a base de cobalto |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 694A | Case decided by the comptroller (rule 94(3)/1968) | ||
| PS | Patent sealed | ||
| PE | Patent expired |