FR2376855A1 - Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique - Google Patents
Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtaliqueInfo
- Publication number
- FR2376855A1 FR2376855A1 FR7700314A FR7700314A FR2376855A1 FR 2376855 A1 FR2376855 A1 FR 2376855A1 FR 7700314 A FR7700314 A FR 7700314A FR 7700314 A FR7700314 A FR 7700314A FR 2376855 A1 FR2376855 A1 FR 2376855A1
- Authority
- FR
- France
- Prior art keywords
- distn
- maleic anhydride
- phthalic anhydride
- anhydride
- dehydration
- 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.)
- Granted
Links
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 title abstract 4
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 title abstract 4
- 230000018044 dehydration Effects 0.000 title abstract 4
- 238000006297 dehydration reaction Methods 0.000 title abstract 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 title abstract 4
- 238000011084 recovery Methods 0.000 title 1
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 abstract 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-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
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 abstract 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 2
- 239000001530 fumaric acid Substances 0.000 abstract 2
- 238000004064 recycling Methods 0.000 abstract 2
- 239000005711 Benzoic acid Substances 0.000 abstract 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
- 235000010233 benzoic acid Nutrition 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 abstract 1
- 239000011976 maleic acid Substances 0.000 abstract 1
- 229940078552 o-xylene Drugs 0.000 abstract 1
- 238000005406 washing Methods 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
- C07C51/54—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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7700314A FR2376855A1 (fr) | 1977-01-07 | 1977-01-07 | Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7700314A FR2376855A1 (fr) | 1977-01-07 | 1977-01-07 | Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2376855A1 true FR2376855A1 (fr) | 1978-08-04 |
| FR2376855B1 FR2376855B1 (enrdf_load_stackoverflow) | 1979-08-24 |
Family
ID=9185215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7700314A Granted FR2376855A1 (fr) | 1977-01-07 | 1977-01-07 | Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2376855A1 (enrdf_load_stackoverflow) |
-
1977
- 1977-01-07 FR FR7700314A patent/FR2376855A1/fr active Granted
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2376855B1 (enrdf_load_stackoverflow) | 1979-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |