FR2078824A5 - Tere-and isophthalic acid purification - Google Patents
Tere-and isophthalic acid purificationInfo
- Publication number
- FR2078824A5 FR2078824A5 FR7105697A FR7105697A FR2078824A5 FR 2078824 A5 FR2078824 A5 FR 2078824A5 FR 7105697 A FR7105697 A FR 7105697A FR 7105697 A FR7105697 A FR 7105697A FR 2078824 A5 FR2078824 A5 FR 2078824A5
- Authority
- FR
- France
- Prior art keywords
- tere
- isophthalic acid
- acid purification
- soln
- degrees
- 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
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 title 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
- 239000002253 acid Substances 0.000 abstract 2
- 150000003839 salts Chemical group 0.000 abstract 2
- UHDNUPHSDMOGCR-UHFFFAOYSA-N 3-Formylbenzoic acid Chemical compound OC(=O)C1=CC=CC(C=O)=C1 UHDNUPHSDMOGCR-UHFFFAOYSA-N 0.000 abstract 1
- GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 238000005984 hydrogenation reaction Methods 0.000 abstract 1
- 239000012535 impurity 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
- C07C51/487—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 |
|---|---|---|---|
| DE19702008129 DE2008129A1 (de) | 1970-02-21 | 1970-02-21 | Verfahren zur Reinigung von Tere- bzw. Iso-Phthalsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2078824A5 true FR2078824A5 (en) | 1971-11-05 |
Family
ID=5762986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7105697A Expired FR2078824A5 (en) | 1970-02-21 | 1971-02-19 | Tere-and isophthalic acid purification |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE762805A (fr) |
| DE (1) | DE2008129A1 (fr) |
| FR (1) | FR2078824A5 (fr) |
| NL (1) | NL7102172A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007094936A1 (fr) * | 2006-02-14 | 2007-08-23 | Eastman Chemical Company | Procede de decoloration d'acides dicarboxyliques aromatiques |
-
1970
- 1970-02-21 DE DE19702008129 patent/DE2008129A1/de active Pending
-
1971
- 1971-02-11 BE BE762805A patent/BE762805A/fr unknown
- 1971-02-18 NL NL7102172A patent/NL7102172A/xx unknown
- 1971-02-19 FR FR7105697A patent/FR2078824A5/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007094936A1 (fr) * | 2006-02-14 | 2007-08-23 | Eastman Chemical Company | Procede de decoloration d'acides dicarboxyliques aromatiques |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7102172A (fr) | 1971-08-24 |
| DE2008129A1 (de) | 1971-09-02 |
| BE762805A (fr) | 1971-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |