BE740960A - - Google Patents
Info
- Publication number
- BE740960A BE740960A BE740960DA BE740960A BE 740960 A BE740960 A BE 740960A BE 740960D A BE740960D A BE 740960DA BE 740960 A BE740960 A BE 740960A
- Authority
- BE
- Belgium
Links
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
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/22—Accessories
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1805758A DE1805758C3 (de) | 1968-10-29 | 1968-10-29 | Verfahren zur Abtrennung von Acrylsäure aus wäßriger Rohacrylsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE740960A true BE740960A (xx) | 1970-04-29 |
Family
ID=5711804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE740960D BE740960A (xx) | 1968-10-29 | 1969-10-29 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3657332A (xx) |
| BE (1) | BE740960A (xx) |
| DE (1) | DE1805758C3 (xx) |
| FR (1) | FR2022325A1 (xx) |
| GB (1) | GB1235634A (xx) |
| NL (1) | NL6916090A (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2121123C3 (de) * | 1971-04-29 | 1980-06-12 | Basf Ag, 6700 Ludwigshafen | Verfahren zum Abtrennen von Wasser aus wäßrigen Lösungen von Acrylsäure durch azeotrope Destillation |
| BE786398A (fr) * | 1971-07-21 | 1973-01-18 | Basf Ag | Procede de preparation de l'acide acrylique anhydre |
| JPS5534784B2 (xx) * | 1972-05-23 | 1980-09-09 | ||
| NL180579C (nl) * | 1972-05-24 | 1987-03-16 | Sumitomo Chemical Co | Werkwijze voor het scheiden van een mengsel bestaande uit acrylzuur, azijnzuur en water. |
| JPS6016927B2 (ja) * | 1979-07-19 | 1985-04-30 | 三菱レイヨン株式会社 | メタクリル酸の抽出分離法 |
| US5154800A (en) * | 1992-01-31 | 1992-10-13 | Lloyd Berg | Dehydration of acrylic acid by extractive distillation |
| DE10301040B4 (de) | 2003-01-13 | 2005-07-21 | Stockhausen Gmbh | Aufreinigung eines Monomers durch Extraktion mit einem Phasenbildner und Kristallisation |
| CN105061193B (zh) * | 2015-08-10 | 2017-03-22 | 蓝星（北京）技术中心有限公司 | 蛋氨酸生产废水处理中回收有机物的方法 |
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1968
- 1968-10-29 DE DE1805758A patent/DE1805758C3/de not_active Expired
-
1969
- 1969-10-24 NL NL6916090A patent/NL6916090A/xx not_active Application Discontinuation
- 1969-10-24 US US869205A patent/US3657332A/en not_active Expired - Lifetime
- 1969-10-29 FR FR6937197A patent/FR2022325A1/fr not_active Withdrawn
- 1969-10-29 BE BE740960D patent/BE740960A/xx unknown
- 1969-10-29 GB GB52973/69A patent/GB1235634A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1805758C3 (de) | 1974-07-18 |
| NL6916090A (xx) | 1970-05-04 |
| DE1805758B2 (de) | 1973-12-06 |
| GB1235634A (en) | 1971-06-16 |
| DE1805758A1 (de) | 1970-05-21 |
| US3657332A (en) | 1972-04-18 |
| FR2022325A1 (xx) | 1970-07-31 |