BE512427A - - Google Patents
Info
- Publication number
- BE512427A BE512427A BE512427DA BE512427A BE 512427 A BE512427 A BE 512427A BE 512427D A BE512427D A BE 512427DA BE 512427 A BE512427 A BE 512427A
- Authority
- BE
- Belgium
- Prior art keywords
- water
- solvent
- extract
- column
- distillation
- Prior art date
Links
- 239000002904 solvent Substances 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 33
- 239000000284 extract Substances 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 17
- 238000004821 distillation Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 13
- 230000002378 acidificating effect Effects 0.000 claims description 11
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 11
- 229930195729 fatty acid Natural products 0.000 claims description 11
- 239000000194 fatty acid Substances 0.000 claims description 11
- 150000004665 fatty acids Chemical class 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 3
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims description 2
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 claims description 2
- 229940017219 methyl propionate Drugs 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 20
- 239000007864 aqueous solution Substances 0.000 description 20
- 239000000243 solution Substances 0.000 description 12
- 238000000605 extraction Methods 0.000 description 10
- 230000018044 dehydration Effects 0.000 description 8
- 238000006297 dehydration reaction Methods 0.000 description 8
- 229920006395 saturated elastomer Polymers 0.000 description 8
- 230000007935 neutral effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- HFEFMUSTGZNOPY-UHFFFAOYSA-N OOOOOOOOOOOOOOOO Chemical compound OOOOOOOOOOOOOOOO HFEFMUSTGZNOPY-UHFFFAOYSA-N 0.000 description 1
- 239000006286 aqueous extract Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
- C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE512427A true BE512427A (enrdf_load_html_response) |
Family
ID=150886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE512427D BE512427A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE512427A (enrdf_load_html_response) |
-
0
- BE BE512427D patent/BE512427A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5065003B2 (ja) | 有機化合物を含有する水性流からの有機化合物の回収方法 | |
| CN109071403B (zh) | 连续回收(甲基)丙烯酸的方法和用于该方法的装置 | |
| CZ298267B6 (cs) | Zpusob prípravy kyseliny (meth)akrylové | |
| US4554054A (en) | Methacrylic acid separation | |
| US3344178A (en) | Acrylic acid concentration by extraction and distillation with a solvententrainer | |
| JPS61109750A (ja) | カルボン酸水溶液の脱水蒸留方法 | |
| US3264197A (en) | Process for the continuous recovery of acrylonitrile and acetonitrile by plural distillation and the addition of water | |
| JPS60104026A (ja) | 水及びメタノールを含有する６乃至２０個のｃ‐原子を有する高級アルコールの蒸留後処理法 | |
| JPH0611732B2 (ja) | メタクリル酸メチルの精製法 | |
| US2235056A (en) | Process for the recovery of glycerol from still residues from fermentation processes | |
| BE512427A (enrdf_load_html_response) | ||
| US2412215A (en) | Dehydration of acetic acid by azeotropic distillation | |
| US1860512A (en) | Manufacture of anhydrous acetic acid | |
| US1668380A (en) | Continuous process for the dehydration of volatile fatty acids | |
| US2123348A (en) | Process for dehydration of aqueous acetic acid | |
| US2157143A (en) | Process for dehydration of acetic acid and other lower fatty acids | |
| US1854385A (en) | Process of drying organic liquids | |
| US2018031A (en) | Concentration of aliphatic acids | |
| US2801265A (en) | Dehydration of volatile fatty acids through solvents | |
| US2204616A (en) | Process for dehydration of acetic acid and other lower fatty acids | |
| JPH0333143B2 (enrdf_load_html_response) | ||
| US2076184A (en) | Process for dehydration of acetic acid and other lower fatty acids | |
| US2114825A (en) | Process for partial dehydration of acetic acid and other lower fatty acids | |
| BE353792A (enrdf_load_html_response) | ||
| US2358229A (en) | Treatment of pyroligneous acid |