AU2001260305A1 - Method for discontinuous purification of crude acrylic acid by means of crystallization - Google Patents
Method for discontinuous purification of crude acrylic acid by means of crystallizationInfo
- Publication number
- AU2001260305A1 AU2001260305A1 AU2001260305A AU6030501A AU2001260305A1 AU 2001260305 A1 AU2001260305 A1 AU 2001260305A1 AU 2001260305 A AU2001260305 A AU 2001260305A AU 6030501 A AU6030501 A AU 6030501A AU 2001260305 A1 AU2001260305 A1 AU 2001260305A1
- Authority
- AU
- Australia
- Prior art keywords
- crystallization
- acrylic acid
- crude acrylic
- discontinuous purification
- discontinuous
- 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.)
- Abandoned
Links
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 title 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title 1
- 238000002425 crystallisation Methods 0.000 title 1
- 230000008025 crystallization Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10026407A DE10026407A1 (en) | 2000-05-29 | 2000-05-29 | Process for the discontinuous crystallization of crude acrylic acid |
DE10026407 | 2000-05-29 | ||
PCT/EP2001/005551 WO2001092197A1 (en) | 2000-05-29 | 2001-05-16 | Method for discontinuous purification of crude acrylic acid by means of crystallization |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001260305A1 true AU2001260305A1 (en) | 2001-12-11 |
Family
ID=7643845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001260305A Abandoned AU2001260305A1 (en) | 2000-05-29 | 2001-05-16 | Method for discontinuous purification of crude acrylic acid by means of crystallization |
Country Status (7)
Country | Link |
---|---|
US (1) | US7307189B2 (en) |
EP (1) | EP1286943B1 (en) |
CN (1) | CN1205163C (en) |
AU (1) | AU2001260305A1 (en) |
DE (1) | DE10026407A1 (en) |
MY (1) | MY140698A (en) |
WO (1) | WO2001092197A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10122787A1 (en) | 2001-05-10 | 2002-06-06 | Basf Ag | Preparation of purified melt of monomer(s) involves forming gaseous or liquid monomer-containing phase, condensing, absorbing or extracting from raw melt and crystallizing |
DE10122788A1 (en) | 2001-05-10 | 2002-06-06 | Basf Ag | Preparation of purified melt of monomer(s) involves forming suspension, crystallizing, mechanically separating suspended monomer crystals and further crystallizing and separating |
MY140513A (en) * | 2005-03-01 | 2009-12-31 | Basf Ag | Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component |
US7601866B2 (en) * | 2005-03-01 | 2009-10-13 | Basf Aktiengesellschaft | Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component |
DE102005009887A1 (en) * | 2005-03-01 | 2006-09-07 | Basf Ag | Separation of methacrolein from acrylic acid, comprises crystallizing and separating the acrylic acid, and leaving the methacrolein in a liquid phase of the mother liquor |
US7705181B2 (en) * | 2005-03-01 | 2010-04-27 | Basf Akiengesellschaft | Process for removing methacrylic acid from liquid phase comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component |
WO2011001893A1 (en) * | 2009-07-02 | 2011-01-06 | 株式会社日本触媒 | Process for production of (meth)acrylic acid |
US9120743B2 (en) | 2013-06-27 | 2015-09-01 | Celanese International Corporation | Integrated process for the production of acrylic acids and acrylates |
EP3012244A1 (en) * | 2014-10-24 | 2016-04-27 | Sulzer Chemtech AG | Process and apparatus for purification of acrylic acid |
CN108707072A (en) * | 2018-05-10 | 2018-10-26 | 宜兴丹森科技有限公司 | The purification process of acrylic acid composition |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1305178C (en) | 1986-08-21 | 1992-07-14 | Gordon Gene Harkreader | Anhydrous diluent process for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid |
AU606160B2 (en) | 1987-05-27 | 1991-01-31 | Nippon Shokubai Kagaku Kogyo Co. Ltd. | Process for production of acrylic acid |
DE3735054A1 (en) * | 1987-10-16 | 1989-04-27 | Basf Ag | METHOD FOR OBTAINING CAPROLACTAM FROM LOW-BOILERS OR HIGH-BOILERS OF CAPROLACTAM DISTILLATION OR MIXTURES THEREOF |
US4927973A (en) * | 1988-12-16 | 1990-05-22 | Shell Oil Company | Process for continuous purification of bisphenols |
DE4308087C2 (en) | 1993-03-13 | 1997-02-06 | Basf Ag | Process for the separation of acrylic acid from the reaction gases of the catalytic oxidation of propylene and / or acrolein |
TW305830B (en) | 1993-03-26 | 1997-05-21 | Sulzer Chemtech Ag | |
DE19508558A1 (en) | 1995-03-10 | 1996-09-12 | Basf Ag | Redn. of explosion risk in acrolein and acrylic acid prodn. from propane |
DE19600955A1 (en) * | 1996-01-12 | 1997-07-17 | Basf Ag | Process for the preparation of acrylic acid and its esters |
DE19606877A1 (en) * | 1996-02-23 | 1997-08-28 | Basf Ag | Process for cleaning acrylic acid and methacrylic acid |
DE19829477A1 (en) * | 1998-07-01 | 2000-01-05 | Basf Ag | Process for the purification of acrylic acid or methacrylic acid by crystallization and distillation |
DE10003498A1 (en) * | 2000-01-27 | 2001-08-02 | Basf Ag | (Meth)acrylic acid purification using a combination of two or more different dynamic (especially suspension and layer) crystallisation processes |
-
2000
- 2000-05-29 DE DE10026407A patent/DE10026407A1/en not_active Withdrawn
-
2001
- 2001-05-16 AU AU2001260305A patent/AU2001260305A1/en not_active Abandoned
- 2001-05-16 US US10/275,859 patent/US7307189B2/en not_active Expired - Fee Related
- 2001-05-16 CN CN01810219.0A patent/CN1205163C/en not_active Expired - Fee Related
- 2001-05-16 MY MYPI20012292A patent/MY140698A/en unknown
- 2001-05-16 WO PCT/EP2001/005551 patent/WO2001092197A1/en active Application Filing
- 2001-05-16 EP EP01933973A patent/EP1286943B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20030149301A1 (en) | 2003-08-07 |
EP1286943B1 (en) | 2011-11-02 |
CN1431991A (en) | 2003-07-23 |
CN1205163C (en) | 2005-06-08 |
EP1286943A1 (en) | 2003-03-05 |
WO2001092197A1 (en) | 2001-12-06 |
MY140698A (en) | 2010-01-15 |
US7307189B2 (en) | 2007-12-11 |
DE10026407A1 (en) | 2001-12-06 |
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