GB1049720A - Acid purification process - Google Patents
Acid purification processInfo
- Publication number
- GB1049720A GB1049720A GB3220964A GB3220964A GB1049720A GB 1049720 A GB1049720 A GB 1049720A GB 3220964 A GB3220964 A GB 3220964A GB 3220964 A GB3220964 A GB 3220964A GB 1049720 A GB1049720 A GB 1049720A
- Authority
- GB
- United Kingdom
- Prior art keywords
- terephthalic acid
- purification process
- purification
- acid purification
- 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
- 238000000746 purification Methods 0.000 title abstract 3
- 239000002253 acid Substances 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 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 abstract 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 239000011343 solid material Substances 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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural 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 |
|---|---|---|---|
| US30119963A | 1963-08-09 | 1963-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1049720A true GB1049720A (en) | 1966-11-30 |
Family
ID=23162373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3220964A Expired GB1049720A (en) | 1963-08-09 | 1964-08-07 | Acid purification process |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE651437A (enExample) |
| GB (1) | GB1049720A (enExample) |
| NL (1) | NL6407831A (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998024749A1 (en) * | 1996-12-06 | 1998-06-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
| US5929274A (en) | 1995-06-07 | 1999-07-27 | Hfm International, Inc. | Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid |
| US5961935A (en) | 1995-06-07 | 1999-10-05 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
| US6054610A (en) | 1995-06-07 | 2000-04-25 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes |
-
1964
- 1964-07-09 NL NL6407831A patent/NL6407831A/xx unknown
- 1964-08-05 BE BE651437A patent/BE651437A/xx unknown
- 1964-08-07 GB GB3220964A patent/GB1049720A/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5929274A (en) | 1995-06-07 | 1999-07-27 | Hfm International, Inc. | Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid |
| US5961935A (en) | 1995-06-07 | 1999-10-05 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
| US6013835A (en) | 1995-06-07 | 2000-01-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
| US6054610A (en) | 1995-06-07 | 2000-04-25 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes |
| US6113866A (en) | 1995-06-07 | 2000-09-05 | Hfm International, Inc. | Apparatus for preparing purified terephthalic acid |
| KR100452021B1 (ko) * | 1995-06-07 | 2005-04-06 | 에이취에프엠 인터내셔널 인코포레이티드 | 정제테레프탈산의제조방법및그장치 |
| WO1998024749A1 (en) * | 1996-12-06 | 1998-06-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
Also Published As
| Publication number | Publication date |
|---|---|
| BE651437A (enExample) | 1965-02-05 |
| NL6407831A (enExample) | 1965-02-10 |
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