GB1386582A - Process for the purification of aromatic acids by solvent extraction - Google Patents
Process for the purification of aromatic acids by solvent extractionInfo
- Publication number
- GB1386582A GB1386582A GB2893173A GB2893173A GB1386582A GB 1386582 A GB1386582 A GB 1386582A GB 2893173 A GB2893173 A GB 2893173A GB 2893173 A GB2893173 A GB 2893173A GB 1386582 A GB1386582 A GB 1386582A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- aromatic
- purification
- acetic acid
- june
- 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
- 238000000746 purification Methods 0.000 title abstract 3
- 159000000032 aromatic acids Chemical class 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 238000000638 solvent extraction Methods 0.000 title 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 12
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 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
- 239000002253 acid Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 abstract 2
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 abstract 1
- 239000012071 phase Substances 0.000 abstract 1
- 239000007790 solid phase Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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 |
|---|---|---|---|
| US00263809A US3847977A (en) | 1972-06-19 | 1972-06-19 | Purification process for aromatic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1386582A true GB1386582A (en) | 1975-03-12 |
Family
ID=23003307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2893173A Expired GB1386582A (en) | 1972-06-19 | 1973-06-19 | Process for the purification of aromatic acids by solvent extraction |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3847977A (OSRAM) |
| JP (1) | JPS5632977B2 (OSRAM) |
| BE (1) | BE801069A (OSRAM) |
| CA (1) | CA991656A (OSRAM) |
| DE (1) | DE2331251C2 (OSRAM) |
| FR (1) | FR2189364B1 (OSRAM) |
| GB (1) | GB1386582A (OSRAM) |
| IT (1) | IT987750B (OSRAM) |
| NL (1) | NL184779C (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6216060A (ja) * | 1985-07-10 | 1987-01-24 | Hitachi Kiden Kogyo Ltd | リニアステツプモ−タ |
| JPS6447260A (en) * | 1987-08-15 | 1989-02-21 | Shinko Electric Co Ltd | Linear dc brushless motor |
| US6376223B1 (en) * | 1999-08-04 | 2002-04-23 | Cognis Corporation | Process for purifying polycarboxylic acids |
| US7326808B2 (en) * | 2006-03-01 | 2008-02-05 | Eastman Chemical Company | Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system |
| KR101144887B1 (ko) * | 2009-12-16 | 2012-05-14 | 호남석유화학 주식회사 | 이소프탈산의 정제 방법 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD54353A (OSRAM) * | ||||
| US3717674A (en) * | 1968-02-15 | 1973-02-20 | Celanese Corp | Thermal purification of terephthalic acid using a carboxylic acid-c8 aromatic solvent |
-
1972
- 1972-06-19 US US00263809A patent/US3847977A/en not_active Expired - Lifetime
-
1973
- 1973-04-10 CA CA168,334A patent/CA991656A/en not_active Expired
- 1973-05-17 JP JP5416973A patent/JPS5632977B2/ja not_active Expired
- 1973-05-21 IT IT24345/73A patent/IT987750B/it active
- 1973-06-18 BE BE132396A patent/BE801069A/xx not_active IP Right Cessation
- 1973-06-18 FR FR7322038A patent/FR2189364B1/fr not_active Expired
- 1973-06-19 GB GB2893173A patent/GB1386582A/en not_active Expired
- 1973-06-19 NL NLAANVRAGE7308481,A patent/NL184779C/xx not_active IP Right Cessation
- 1973-06-19 DE DE2331251A patent/DE2331251C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7308481A (OSRAM) | 1973-12-21 |
| JPS5632977B2 (OSRAM) | 1981-07-31 |
| JPS4949931A (OSRAM) | 1974-05-15 |
| US3847977A (en) | 1974-11-12 |
| FR2189364B1 (OSRAM) | 1978-09-29 |
| FR2189364A1 (OSRAM) | 1974-01-25 |
| DE2331251C2 (de) | 1983-04-07 |
| BE801069A (fr) | 1973-12-18 |
| NL184779C (nl) | 1989-11-01 |
| DE2331251A1 (de) | 1974-01-24 |
| CA991656A (en) | 1976-06-22 |
| IT987750B (it) | 1975-03-20 |
| NL184779B (nl) | 1989-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee | ||
| PCPE | Delete 'patent ceased' from journal |
Free format text: 5006,PAGE 320 |
|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920619 |