NL7101312A - - Google Patents
Info
- Publication number
- NL7101312A NL7101312A NL7101312A NL7101312A NL7101312A NL 7101312 A NL7101312 A NL 7101312A NL 7101312 A NL7101312 A NL 7101312A NL 7101312 A NL7101312 A NL 7101312A NL 7101312 A NL7101312 A NL 7101312A
- Authority
- NL
- Netherlands
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
-
- 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 |
|---|---|---|---|
| DE19702005163 DE2005163A1 (de) | 1970-02-05 | 1970-02-05 | Verfahren zur Abtrennung von Acrylsäure aus wäßriger Rohacrylsaure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7101312A true NL7101312A (enExample) | 1971-08-09 |
Family
ID=5761469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7101312A NL7101312A (enExample) | 1970-02-05 | 1971-02-01 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3689541A (enExample) |
| BE (1) | BE762518A (enExample) |
| CA (1) | CA933181A (enExample) |
| DE (1) | DE2005163A1 (enExample) |
| FR (1) | FR2078302A5 (enExample) |
| GB (1) | GB1285842A (enExample) |
| NL (1) | NL7101312A (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2104506C3 (de) * | 1971-02-01 | 1974-07-18 | Knapsack Ag, 5033 Huerth-Knapsack | Verfahren zur Abtrennung von Acrylsäure und Essigsäure aus wäßriger Rohacrylsäure |
| US3855081A (en) * | 1971-04-20 | 1974-12-17 | Bp Chem Int Ltd | Chemical process |
| NL180579C (nl) * | 1972-05-24 | 1987-03-16 | Sumitomo Chemical Co | Werkwijze voor het scheiden van een mengsel bestaande uit acrylzuur, azijnzuur en water. |
| US5154800A (en) * | 1992-01-31 | 1992-10-13 | Lloyd Berg | Dehydration of acrylic acid by extractive distillation |
| JP3937462B2 (ja) * | 1994-08-04 | 2007-06-27 | 三菱化学株式会社 | アクリル酸精製法 |
| FR2736912B1 (fr) * | 1995-07-18 | 1997-08-22 | Atochem Elf Sa | Procede de purification de l'acide acrylique obtenu par oxydation catalytique du propylene |
| JP3028925B2 (ja) * | 1995-12-05 | 2000-04-04 | 株式会社日本触媒 | アクリル酸の製造方法 |
| JP2001226320A (ja) | 2000-02-14 | 2001-08-21 | Nippon Shokubai Co Ltd | アクリル酸の捕集方法およびアクリル酸の精製方法 |
| US6888025B2 (en) * | 2000-02-14 | 2005-05-03 | Nippon Shokubai, Co. Ltd. | Method for absorbing acrylic acid and method for purifying acrylic acid |
| US6737546B2 (en) * | 2001-11-13 | 2004-05-18 | Lurgi Ag | Extraction process for recovery of acrylic acid |
| ZA200303241B (en) | 2002-05-01 | 2003-11-04 | Rohm & Haas | Improved process for methacrylic acid and methcrylic acid ester production. |
| US7128813B2 (en) * | 2002-05-01 | 2006-10-31 | Rohm And Haas Company | Process for manufacturing high purity methacrylic acid |
| US20070068792A1 (en) * | 2005-09-23 | 2007-03-29 | Jang Jiyoung | System and method for acetic acid dehydration |
| FR2934264B1 (fr) | 2008-07-22 | 2012-07-20 | Arkema France | Fabrication d'esters de vinyle a partir de matieres renouvelables, esters de vinyle obtenus et utilisations |
| FR2935971B1 (fr) * | 2008-09-16 | 2010-11-19 | Arkema France | Acide bio-acrylique de grade polymere et son procede de fabrication a partir de glycerol. |
| FR2948365B1 (fr) | 2009-07-22 | 2011-09-09 | Arkema France | Procede de fabrication d'acide acrylique bio-ressource a partir de glycerol |
| FR2957594B1 (fr) * | 2010-03-18 | 2013-04-26 | Arkema France | Procede de fabrication d'acide acrylique bio-ressource de grade polymere a partir de glycerol |
| US9249081B2 (en) * | 2011-12-16 | 2016-02-02 | Celanese International Corporation | Processes for the production of acrylic acids and acrylates |
| FR3089222A1 (fr) * | 2018-11-29 | 2020-06-05 | Arkema France | Purification de solutions aqueuses contenant du formaldehyde, et utilisation de la solution purifiee dans un procede de production d’acide acrylique |
| CN118060311B (zh) * | 2024-03-20 | 2025-12-09 | 中化学华陆新材料有限公司 | 一种气凝胶高沸物副产物的处置方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2526508A (en) * | 1948-08-19 | 1950-10-17 | Standard Oil Dev Co | Recovery of fatty acids from dilute aqueous solutions |
| GB995472A (en) * | 1963-05-16 | 1965-06-16 | Distillers Co Yeast Ltd | Improvements in or relating to acrylic acid production |
| GB997324A (en) * | 1963-06-20 | 1965-07-07 | Distillers Co Yeast Ltd | Improvements in or relating to the production of acrylic acid |
| GB997325A (en) * | 1963-06-20 | 1965-07-07 | Distillers Co Yeast Ltd | Recovery of acrylic acid |
| US3433831A (en) * | 1965-06-30 | 1969-03-18 | Asahi Chemical Ind | Separation and purification of acrylic acid from acetic acid by solvent extraction and azeotropic distillation with a two component solvent-entrainer system |
| US3555082A (en) * | 1966-12-15 | 1971-01-12 | Knapsack Ag | Process for isolating acrylic acid from the reaction gases obtained by oxidation of propylene or acrolein |
| DE1618612B2 (de) * | 1967-06-29 | 1973-03-15 | Knapsack AG, 5033 Hurth Knapsack | Verfahren zur gewinnung reiner acrylsaeure aus waessriger rohsaeure |
-
1970
- 1970-02-05 DE DE19702005163 patent/DE2005163A1/de active Pending
-
1971
- 1971-01-15 GB GB2114/71A patent/GB1285842A/en not_active Expired
- 1971-01-18 US US106988A patent/US3689541A/en not_active Expired - Lifetime
- 1971-01-18 CA CA102921A patent/CA933181A/en not_active Expired
- 1971-02-01 NL NL7101312A patent/NL7101312A/xx unknown
- 1971-02-04 BE BE762518A patent/BE762518A/xx unknown
- 1971-02-05 FR FR7104037A patent/FR2078302A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA933181A (en) | 1973-09-04 |
| DE2005163A1 (de) | 1971-08-19 |
| FR2078302A5 (enExample) | 1971-11-05 |
| GB1285842A (en) | 1972-08-16 |
| US3689541A (en) | 1972-09-05 |
| BE762518A (fr) | 1971-08-04 |