BE625775A - - Google Patents
Info
- Publication number
- BE625775A BE625775A BE625775DA BE625775A BE 625775 A BE625775 A BE 625775A BE 625775D A BE625775D A BE 625775DA BE 625775 A BE625775 A BE 625775A
- Authority
- BE
- Belgium
- Prior art keywords
- maleic anhydride
- maleic
- anhydride
- acid
- gases
- Prior art date
Links
- FPYJFEHAWHCUMM-UHFFFAOYSA-N Maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 34
- 239000007789 gas Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- VZCYOOQTPOCHFL-UHFFFAOYSA-N fumaric acid Chemical compound OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 18
- 239000011976 maleic acid Substances 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
- 230000001131 transforming Effects 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims 1
- 150000008064 anhydrides Chemical class 0.000 description 25
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 14
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 239000012495 reaction gas Substances 0.000 description 5
- 230000003197 catalytic Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N (E)-but-2-enedioate;hydron Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N Malic acid Chemical compound OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 206010026749 Mania Diseases 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- HRBKVYFZANMGRE-UHFFFAOYSA-N chlorpyrifos-methyl Chemical compound COP(=S)(OC)OC1=NC(Cl)=C(Cl)C=C1Cl HRBKVYFZANMGRE-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000005712 crystallization Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- JGEMYUOFGVHXKV-UPHRSURJSA-N malealdehyde Chemical compound O=C\C=C/C=O JGEMYUOFGVHXKV-UPHRSURJSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid group Chemical group C(\C=C/C(=O)O)(=O)O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 229940099690 malic acid Drugs 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003278 mimic Effects 0.000 description 1
- 230000000717 retained Effects 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 238000011144 upstream manufacturing 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
- C07C51/573—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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE625775A true BE625775A (de) |
Family
ID=196851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE625775D BE625775A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE625775A (de) |
-
0
- BE BE625775D patent/BE625775A/fr unknown
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