GB1377226A - Recovery of trimelitic acid anhydride - Google Patents
Recovery of trimelitic acid anhydrideInfo
- Publication number
- GB1377226A GB1377226A GB1362172A GB1362172A GB1377226A GB 1377226 A GB1377226 A GB 1377226A GB 1362172 A GB1362172 A GB 1362172A GB 1362172 A GB1362172 A GB 1362172A GB 1377226 A GB1377226 A GB 1377226A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anhydride
- liquid
- crude
- rectification
- pressure
- 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
- 238000011084 recovery Methods 0.000 title abstract 2
- 150000008065 acid anhydrides Chemical class 0.000 title 1
- 150000008064 anhydrides Chemical class 0.000 abstract 6
- 239000007788 liquid Substances 0.000 abstract 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 3
- 238000009835 boiling Methods 0.000 abstract 3
- GWHJZXXIDMPWGX-UHFFFAOYSA-N 1,2,4-trimethylbenzene Chemical compound CC1=CC=C(C)C(C)=C1 GWHJZXXIDMPWGX-UHFFFAOYSA-N 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 238000010992 reflux Methods 0.000 abstract 2
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 abstract 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 238000010924 continuous production Methods 0.000 abstract 1
- 229910001882 dioxygen Inorganic materials 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 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
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
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)
- Furan Compounds (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12711671A | 1971-03-23 | 1971-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1377226A true GB1377226A (en) | 1974-12-11 |
Family
ID=22428386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1362172A Expired GB1377226A (en) | 1971-03-23 | 1972-03-23 | Recovery of trimelitic acid anhydride |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2213728A1 (cs) |
| FR (1) | FR2130630B1 (cs) |
| GB (1) | GB1377226A (cs) |
| IT (1) | IT952118B (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544916A (zh) * | 2020-06-24 | 2020-08-18 | 南通百川新材料有限公司 | 一种偏苯三酸酐精馏塔釜残液中偏苯三酸酐的回收装置和方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1556414A (cs) * | 1967-12-29 | 1969-02-07 |
-
1972
- 1972-03-04 IT IT4877972A patent/IT952118B/it active
- 1972-03-21 DE DE19722213728 patent/DE2213728A1/de active Pending
- 1972-03-23 FR FR7210284A patent/FR2130630B1/fr not_active Expired
- 1972-03-23 GB GB1362172A patent/GB1377226A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544916A (zh) * | 2020-06-24 | 2020-08-18 | 南通百川新材料有限公司 | 一种偏苯三酸酐精馏塔釜残液中偏苯三酸酐的回收装置和方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2213728A1 (de) | 1972-09-28 |
| IT952118B (it) | 1973-07-20 |
| FR2130630B1 (cs) | 1977-12-30 |
| FR2130630A1 (cs) | 1972-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |