DE1768015C3 - Kontinuierliches Verfahren zur Dehydratisierung von Maleinsäure zu Maleinsäureanhydrid - Google Patents
Kontinuierliches Verfahren zur Dehydratisierung von Maleinsäure zu MaleinsäureanhydridInfo
- Publication number
- DE1768015C3 DE1768015C3 DE1768015A DE1768015A DE1768015C3 DE 1768015 C3 DE1768015 C3 DE 1768015C3 DE 1768015 A DE1768015 A DE 1768015A DE 1768015 A DE1768015 A DE 1768015A DE 1768015 C3 DE1768015 C3 DE 1768015C3
- Authority
- DE
- Germany
- Prior art keywords
- acid
- anhydride
- maleic
- maleic anhydride
- maleic 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
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 title claims description 45
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 title claims description 32
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 title claims description 32
- 239000011976 maleic acid Substances 0.000 title claims description 32
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 title claims description 31
- 230000018044 dehydration Effects 0.000 title claims description 7
- 238000006297 dehydration reaction Methods 0.000 title claims description 7
- 238000010924 continuous production Methods 0.000 title claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 14
- 150000008064 anhydrides Chemical class 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 238000009833 condensation Methods 0.000 claims description 12
- 230000005494 condensation Effects 0.000 claims description 12
- 239000010409 thin film Substances 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 3
- 239000011260 aqueous acid Substances 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 26
- 239000001530 fumaric acid Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- -1 iner saturated maleic acid Chemical class 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 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
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
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)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR100799A FR1524319A (fr) | 1967-03-30 | 1967-03-30 | Procédé de déshydratation de l'acide maléique en anhydride |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1768015A1 DE1768015A1 (de) | 1972-06-22 |
| DE1768015B2 DE1768015B2 (de) | 1974-10-17 |
| DE1768015C3 true DE1768015C3 (de) | 1975-06-05 |
Family
ID=8627815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1768015A Expired DE1768015C3 (de) | 1967-03-30 | 1968-03-21 | Kontinuierliches Verfahren zur Dehydratisierung von Maleinsäure zu Maleinsäureanhydrid |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3476775A (en:Method) |
| BE (1) | BE712944A (en:Method) |
| DE (1) | DE1768015C3 (en:Method) |
| FR (1) | FR1524319A (en:Method) |
| GB (1) | GB1148280A (en:Method) |
| NL (1) | NL151371B (en:Method) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4823063B1 (en:Method) * | 1969-06-13 | 1973-07-11 | ||
| US3850758A (en) * | 1973-07-02 | 1974-11-26 | Allied Chem | Purification of crude maleic anhydride by treatment with dimethylbenzophenone |
| GB1424747A (en) * | 1973-08-28 | 1976-02-11 | Ucb Sa | Method and apparatus for the continuous dehydration of maleic acid |
| DE2356049C3 (de) * | 1973-11-09 | 1987-10-22 | Basf Ag, 6700 Ludwigshafen | Gewinnung von maleinsaeureanhydrid aus den abgasen der phthalsaeureanhydridherstellung |
| JPS51105997A (en) * | 1975-03-14 | 1976-09-20 | Central Glass Co Ltd | Rinsanekinogenatsujohatsu niokeru futsukabutsuganjujoki no shorihoho |
| US4364748A (en) * | 1977-06-24 | 1982-12-21 | Chevron Research Company | Process for recovering maleic anhydride by condensation |
| FR2484417A1 (fr) * | 1980-06-13 | 1981-12-18 | Charbonnages Ste Chimique | Procede continu de deshydratation de l'acide maleique et installation pour sa mise en oeuvre |
| DE3504146A1 (de) * | 1985-02-07 | 1986-08-07 | Basf Ag, 6700 Ludwigshafen | Verfahren zur gewinnung von hochreinem maleinsaeureanhydrid aus rohem maleinsaeureanhydrid |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1901914A (en) * | 1931-05-08 | 1933-03-21 | Monsanto Chemical Works | Manufacture of maleic acid |
| US2670355A (en) * | 1950-02-23 | 1954-02-23 | Barsky | Manufacture of maleic anhydride |
| US2688622A (en) * | 1951-09-21 | 1954-09-07 | American Cyanamid Co | Process for producing maleic anhydride |
| US2770630A (en) * | 1952-03-12 | 1956-11-13 | Allied Chem & Dye Corp | Recovery of maleic anhydride |
| GB864139A (en) * | 1957-10-04 | 1961-03-29 | Columbia Southern Chem Corp | Production of maleic anhydride |
| US3261847A (en) * | 1964-06-17 | 1966-07-19 | Chevron Res | Manufacture of maleic anhydride |
-
1967
- 1967-03-30 FR FR100799A patent/FR1524319A/fr not_active Expired
-
1968
- 1968-03-21 GB GB13803/68A patent/GB1148280A/en not_active Expired
- 1968-03-21 DE DE1768015A patent/DE1768015C3/de not_active Expired
- 1968-03-25 NL NL686804195A patent/NL151371B/xx not_active IP Right Cessation
- 1968-03-27 US US716421A patent/US3476775A/en not_active Expired - Lifetime
- 1968-03-29 BE BE712944D patent/BE712944A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE1768015B2 (de) | 1974-10-17 |
| DE1768015A1 (de) | 1972-06-22 |
| US3476775A (en) | 1969-11-04 |
| BE712944A (en:Method) | 1968-07-31 |
| NL151371B (nl) | 1976-11-15 |
| NL6804195A (en:Method) | 1968-10-01 |
| GB1148280A (en) | 1969-04-10 |
| FR1524319A (fr) | 1968-05-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |