DE1809941A1 - Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Saeureanhydriden aus mehrbasischen organischen Saeuren - Google Patents
Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Saeureanhydriden aus mehrbasischen organischen SaeurenInfo
- Publication number
- DE1809941A1 DE1809941A1 DE19681809941 DE1809941A DE1809941A1 DE 1809941 A1 DE1809941 A1 DE 1809941A1 DE 19681809941 DE19681809941 DE 19681809941 DE 1809941 A DE1809941 A DE 1809941A DE 1809941 A1 DE1809941 A1 DE 1809941A1
- Authority
- DE
- Germany
- Prior art keywords
- acid
- stage
- thin
- 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.)
- Pending
Links
- 150000008065 acid anhydrides Chemical class 0.000 title claims description 20
- 238000000034 method Methods 0.000 title claims description 20
- 150000007524 organic acids Chemical class 0.000 title claims description 18
- 235000005985 organic acids Nutrition 0.000 title claims description 9
- 238000010924 continuous production Methods 0.000 title claims description 4
- 239000010409 thin film Substances 0.000 claims description 21
- 239000002253 acid Substances 0.000 claims description 20
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 18
- 208000005156 Dehydration Diseases 0.000 claims description 14
- 230000018044 dehydration Effects 0.000 claims description 14
- 238000006297 dehydration reaction Methods 0.000 claims description 14
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 12
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 12
- 239000011976 maleic acid Substances 0.000 claims description 12
- 150000008064 anhydrides Chemical class 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 150000007513 acids Chemical class 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 239000007791 liquid phase Substances 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 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000001530 fumaric acid Substances 0.000 description 6
- 238000007086 side reaction Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- DOETVZCFKJCYJV-UHFFFAOYSA-N 6-(4,5-dihydro-1h-imidazol-2-yl)-2-[4-(4,5-dihydro-1h-imidazol-2-yl)phenyl]-1h-indole Chemical compound N1CCN=C1C1=CC=C(C=2NC3=CC(=CC=C3C=2)C=2NCCN=2)C=C1 DOETVZCFKJCYJV-UHFFFAOYSA-N 0.000 description 1
- 101100286286 Dictyostelium discoideum ipi gene Proteins 0.000 description 1
- 206010057040 Temperature intolerance Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
- 229940018557 citraconic acid Drugs 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- 238000006471 dimerization reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000008543 heat sensitivity Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- JGEMYUOFGVHXKV-UPHRSURJSA-N malealdehyde Chemical compound O=C\C=C/C=O JGEMYUOFGVHXKV-UPHRSURJSA-N 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 150000007519 polyprotic acids Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000010792 warming 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)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1750967A CH488644A (de) | 1967-12-13 | 1967-12-13 | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Carbonsäureanhydriden aus mehrbasischen Carbonsäuren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1809941A1 true DE1809941A1 (de) | 1969-07-17 |
Family
ID=4425979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681809941 Pending DE1809941A1 (de) | 1967-12-13 | 1968-11-20 | Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Saeureanhydriden aus mehrbasischen organischen Saeuren |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5120486B1 (enrdf_load_stackoverflow) |
| BE (1) | BE724844A (enrdf_load_stackoverflow) |
| CH (1) | CH488644A (enrdf_load_stackoverflow) |
| DE (1) | DE1809941A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1595031A (enrdf_load_stackoverflow) |
| GB (1) | GB1227887A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2189363B1 (enrdf_load_stackoverflow) * | 1972-06-21 | 1974-10-25 | Rhone Progil | |
| DE2356049C3 (de) * | 1973-11-09 | 1987-10-22 | Basf Ag, 6700 Ludwigshafen | Gewinnung von maleinsaeureanhydrid aus den abgasen der phthalsaeureanhydridherstellung |
-
1967
- 1967-12-13 CH CH1750967A patent/CH488644A/de not_active IP Right Cessation
-
1968
- 1968-11-20 DE DE19681809941 patent/DE1809941A1/de active Pending
- 1968-12-03 BE BE724844D patent/BE724844A/xx unknown
- 1968-12-09 GB GB1227887D patent/GB1227887A/en not_active Expired
- 1968-12-11 FR FR1595031D patent/FR1595031A/fr not_active Expired
- 1968-12-12 JP JP9060068A patent/JPS5120486B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH488644A (de) | 1970-04-15 |
| JPS5120486B1 (enrdf_load_stackoverflow) | 1976-06-25 |
| GB1227887A (enrdf_load_stackoverflow) | 1971-04-07 |
| BE724844A (enrdf_load_stackoverflow) | 1969-05-16 |
| FR1595031A (enrdf_load_stackoverflow) | 1970-06-08 |
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