BRPI0908337A2 - Método para purificar ácido metacrílico - Google Patents
Método para purificar ácido metacrílicoInfo
- Publication number
- BRPI0908337A2 BRPI0908337A2 BRPI0908337-5A BRPI0908337A BRPI0908337A2 BR PI0908337 A2 BRPI0908337 A2 BR PI0908337A2 BR PI0908337 A BRPI0908337 A BR PI0908337A BR PI0908337 A2 BRPI0908337 A2 BR PI0908337A2
- Authority
- BR
- Brazil
- Prior art keywords
- methacrylic acid
- purify
- purify methacrylic
- acid
- methacrylic
- Prior art date
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
- C07C51/06—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid amides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/10—Vacuum distillation
- B01D3/105—Vacuum distillation with the use of an ejector for creating the vacuum, the ejector being placed between evaporator or distillation devices
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008000787.0 | 2008-03-20 | ||
DE102008000787A DE102008000787A1 (de) | 2008-03-20 | 2008-03-20 | Verfahren zur Aufreinigung von Methacrylsäure |
PCT/EP2009/050295 WO2009115350A1 (de) | 2008-03-20 | 2009-01-13 | Verfahren zur aufreinigung von methacrylsäure |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI0908337A2 true BRPI0908337A2 (pt) | 2015-08-04 |
BRPI0908337B1 BRPI0908337B1 (pt) | 2017-07-04 |
Family
ID=40459865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0908337-5A BRPI0908337B1 (pt) | 2008-03-20 | 2009-01-13 | Method for purifying metacrylic acid |
Country Status (11)
Country | Link |
---|---|
US (1) | US8389762B2 (pt) |
EP (1) | EP2265567B1 (pt) |
JP (1) | JP5535187B2 (pt) |
KR (1) | KR20100127232A (pt) |
CN (1) | CN101538198B (pt) |
BR (1) | BRPI0908337B1 (pt) |
DE (1) | DE102008000787A1 (pt) |
MX (1) | MX2010009950A (pt) |
RU (1) | RU2501783C2 (pt) |
TW (1) | TWI458704B (pt) |
WO (1) | WO2009115350A1 (pt) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HUP1100435A2 (en) | 2011-08-12 | 2013-04-29 | Hyd Rakkutato Es Gyogyszerfejlesztoe Kft | Apparatus and method for distillation of liquids with different boiling point |
FR3012143B1 (fr) * | 2013-10-18 | 2016-08-26 | Arkema France | Cuve d'hydrolyse dans un procede d'amidification de cyanohydrine d'acetone |
WO2018044644A1 (en) * | 2016-08-31 | 2018-03-08 | Ecolab USA, Inc. | Method to inhibit polymerization in a process water |
CN110624267A (zh) * | 2019-10-12 | 2019-12-31 | 兰溪兴业压力容器制造有限公司 | 一种防残渣结焦的分段式加热蒸馏釜 |
KR102454907B1 (ko) * | 2020-06-16 | 2022-10-17 | 태광산업주식회사 | 증류장치 및 증류방법 |
US20240010604A1 (en) | 2020-10-23 | 2024-01-11 | Röhm Gmbh | Optimized process for synthesizing methacrylic acid (maa) and/or alkyl methacrylate by reducing unwanted byproducts |
EP4114818B1 (de) | 2020-10-23 | 2023-05-31 | Röhm GmbH | Verbessertes verfahren zur herstellung von methylmethacrylat und/oder methacrylsäure durch reduzierte rückvermischung in der konvertierung |
WO2023169810A1 (de) | 2022-03-11 | 2023-09-14 | Röhm Gmbh | Verfahren zur herstellung von alpha-hydroxyisobuttersäuremethylester und dessen anwendung in der elektronik-industrie |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU138593A1 (ru) * | 1960-10-18 | 1960-11-30 | А.И. Серегин | Непрерывный способ получени метакриловой кислоты |
US3320305A (en) * | 1964-01-28 | 1967-05-16 | Exxon Research Engineering Co | Process for converting nitriles |
DE1468944A1 (de) * | 1965-10-29 | 1968-12-19 | Roehm & Haas Gmbh | Verfahren zur Herstellung von Methacrylsaeure |
JPS563335B2 (pt) * | 1972-06-02 | 1981-01-24 | ||
JPS5233613B2 (pt) * | 1973-05-22 | 1977-08-30 | ||
JPS6054938B2 (ja) * | 1977-10-25 | 1985-12-03 | 三井東圧化学株式会社 | メタクリル酸の製造方法 |
DE3535889C1 (de) * | 1985-10-08 | 1986-12-04 | Consortium für elektrochemische Industrie GmbH, 8000 München | Verfahren zur Herstellung von Z-2-Methyl-2-butensaeure |
DE19709392A1 (de) * | 1997-03-07 | 1998-09-10 | Basf Ag | Verfahren zur Extraktion von (Meth)acrylsäure |
DE19754118A1 (de) * | 1997-12-05 | 1999-06-10 | Basf Ag | Verfahren zur Aufkonzentrierung von Methacrylsäure in wasserhaltigen Lösungen |
ATE220657T1 (de) * | 1998-11-04 | 2002-08-15 | Rohm & Haas | Verfahren zum herstellen mit grosser ausbeute von methylmethacrylat oder methacrylsäure |
US6500982B1 (en) * | 1999-06-28 | 2002-12-31 | Rohm And Haas Company | Process for preparing (meth) acrylic acid |
JP4074194B2 (ja) * | 2001-01-12 | 2008-04-09 | ストックハウゼン ゲーエムベーハー | (メタ)アクリル酸の精製方法及びその製造装置 |
ZA200303241B (en) * | 2002-05-01 | 2003-11-04 | Rohm & Haas | Improved process for methacrylic acid and methcrylic acid ester production. |
DE10221203A1 (de) * | 2002-05-13 | 2003-07-10 | Basf Ag | Verfahren zur Herstellung von wässrigen für die Herstellung von Polymeren geeigneten Acrylsäure-Lösungen I |
DE10301040B4 (de) * | 2003-01-13 | 2005-07-21 | Stockhausen Gmbh | Aufreinigung eines Monomers durch Extraktion mit einem Phasenbildner und Kristallisation |
DE10314203B4 (de) * | 2003-03-28 | 2005-10-06 | Stockhausen Gmbh | Verfahren zur Abtrennung von (Meth)Acrylsäure aus einer (Meth)Acrylsäure-haltigen Zusammensetzung |
CN100364954C (zh) * | 2004-05-20 | 2008-01-30 | 中国石化上海石油化工股份有限公司 | 醋酸乙烯粗产品的精制方法 |
DE102004034316B4 (de) * | 2004-07-15 | 2015-07-16 | Evonik Degussa Gmbh | Ein Verfahren zur Herstellung von (Meth)Acrylsäure |
DE102004044638A1 (de) * | 2004-09-13 | 2006-03-30 | Stockhausen Gmbh | Aufreinigung eines (Meth)Acrylsäure enthaltenen Destillationssumpfprodukts durch Kristallisation |
DE102004044639A1 (de) * | 2004-09-13 | 2006-05-24 | Stockhausen Gmbh | Verfahren zur extraktiven Aufreinigung von (Meth)Acrylsäure unter Einsatz eines Trennmittels |
US7582790B2 (en) * | 2004-11-24 | 2009-09-01 | Rohm And Haas Company | Process for chemical reactions involving cyanohydrins |
DE102006058251A1 (de) | 2006-12-08 | 2008-06-12 | Evonik Röhm Gmbh | Verfahren und Vorrichtung zur Herstellung von Methacrylsäurealkylestern |
DE102006058250A1 (de) * | 2006-12-08 | 2008-06-12 | Evonik Röhm Gmbh | Integriertes Verfahren und Vorrichtung zur Herstellung von Methacrylsäureestern aus Aceton und Blausäure |
DE102006058249A1 (de) * | 2006-12-08 | 2008-06-12 | Evonik Röhm Gmbh | Verfahren zur Herstellung von Cyanhydrinen sowie deren Verwendung bei der Herstellung von Methacrylsäurealkylestern |
DE102006059511A1 (de) * | 2006-12-14 | 2008-06-19 | Evonik Röhm Gmbh | Verfahren zur Herstellung von Acetoncyanhydrin und dessen Folgeprodukten durch gezielte Kühlung |
DE102006059513A1 (de) * | 2006-12-14 | 2008-06-19 | Evonik Röhm Gmbh | Verfahren zur Herstellung von Methacrylsäure alkylestern mittels azeotroper Destillation |
DE102006059512A1 (de) * | 2006-12-14 | 2008-06-19 | Evonik Röhm Gmbh | Destillative Aufarbeitung von Acetoncyanhydrin und Verfahren zur Herstellung von Metharcylsäureesther und Nachfolgeprodukten |
FR2918983B1 (fr) * | 2007-07-19 | 2010-12-10 | Rhodia Operations | Procede de preparation de dinitrotoluene |
-
2008
- 2008-03-20 DE DE102008000787A patent/DE102008000787A1/de not_active Withdrawn
-
2009
- 2009-01-13 MX MX2010009950A patent/MX2010009950A/es active IP Right Grant
- 2009-01-13 BR BRPI0908337-5A patent/BRPI0908337B1/pt active IP Right Grant
- 2009-01-13 US US12/812,258 patent/US8389762B2/en active Active
- 2009-01-13 KR KR1020107020838A patent/KR20100127232A/ko not_active Application Discontinuation
- 2009-01-13 EP EP09723169.0A patent/EP2265567B1/de active Active
- 2009-01-13 JP JP2011500128A patent/JP5535187B2/ja active Active
- 2009-01-13 WO PCT/EP2009/050295 patent/WO2009115350A1/de active Application Filing
- 2009-01-13 RU RU2010142596/04A patent/RU2501783C2/ru active
- 2009-03-17 TW TW098108602A patent/TWI458704B/zh not_active IP Right Cessation
- 2009-03-19 CN CN200910128785.XA patent/CN101538198B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP2265567B1 (de) | 2018-08-01 |
BRPI0908337B1 (pt) | 2017-07-04 |
TW201004915A (en) | 2010-02-01 |
DE102008000787A1 (de) | 2009-09-24 |
JP2011514374A (ja) | 2011-05-06 |
WO2009115350A1 (de) | 2009-09-24 |
TWI458704B (zh) | 2014-11-01 |
KR20100127232A (ko) | 2010-12-03 |
US20100314239A1 (en) | 2010-12-16 |
RU2501783C2 (ru) | 2013-12-20 |
CN101538198B (zh) | 2015-03-25 |
EP2265567A1 (de) | 2010-12-29 |
US8389762B2 (en) | 2013-03-05 |
CN101538198A (zh) | 2009-09-23 |
RU2010142596A (ru) | 2012-04-27 |
JP5535187B2 (ja) | 2014-07-02 |
MX2010009950A (es) | 2010-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] | ||
B25D | Requested change of name of applicant approved | ||
B25G | Requested change of headquarter approved | ||
B25G | Requested change of headquarter approved |