BR0000997A - Processo para preparação de ácido (met) acrìlico - Google Patents
Processo para preparação de ácido (met) acrìlicoInfo
- Publication number
- BR0000997A BR0000997A BR0000997-0A BR0000997A BR0000997A BR 0000997 A BR0000997 A BR 0000997A BR 0000997 A BR0000997 A BR 0000997A BR 0000997 A BR0000997 A BR 0000997A
- Authority
- BR
- Brazil
- Prior art keywords
- acrylic acid
- preparation
- meth
- acrylic
- acid
- 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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- 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
-
- 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
- C07C51/50—Use of additives, e.g. for stabilisation
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)
Abstract
''PROCESSO PARA PREPARAçãO DE áCIDO (MET)ACRìLICO''. Esta invenção refere-se a um processo para a preparação de ácido acrílico que utiliza uma corrente aquosa que inclui água residual reciclada, pelo menos parte da qual tem seus componentes indesejáveis extraídos em uma coluna de extração antes de ser reciclada para um absorvedor de ácido acrílico.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12298599P | 1999-03-05 | 1999-03-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0000997A true BR0000997A (pt) | 2000-10-31 |
BR0000997B1 BR0000997B1 (pt) | 2011-02-22 |
Family
ID=22406056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0000997-0A BR0000997B1 (pt) | 1999-03-05 | 2000-03-02 | processo para preparação de ácido (met)acrìlico insento de água. |
Country Status (8)
Country | Link |
---|---|
US (1) | US6399817B1 (pt) |
EP (1) | EP1035103B1 (pt) |
JP (1) | JP2000273065A (pt) |
KR (1) | KR100694869B1 (pt) |
CN (1) | CN1237042C (pt) |
BR (1) | BR0000997B1 (pt) |
DE (1) | DE60005870T2 (pt) |
TW (1) | TW553929B (pt) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3948855B2 (ja) * | 1999-06-10 | 2007-07-25 | 株式会社日本触媒 | (メタ)アクリル酸の製造方法 |
JP4687843B2 (ja) * | 2000-12-12 | 2011-05-25 | 三菱瓦斯化学株式会社 | メタクリル酸の精製方法 |
WO2003064367A1 (fr) * | 2002-01-29 | 2003-08-07 | Mitsubishi Chemical Corporation | Procede de production d'acide (meth)acrylique |
US20040104108A1 (en) | 2002-12-03 | 2004-06-03 | Mason Robert Michael | High capacity purification of thermally unstable compounds |
CN1321968C (zh) * | 2003-04-09 | 2007-06-20 | 上海华谊丙烯酸有限公司 | 共沸精馏提纯丙烯酸的方法 |
JP4580151B2 (ja) | 2003-06-05 | 2010-11-10 | 株式会社日本触媒 | アクリル酸の製造方法 |
FR2861724B1 (fr) * | 2003-11-04 | 2005-12-30 | Arkema | Procede de purification de l'acide (meth)acrylique obtenu par oxydation d'un substrat gazeux |
US7393976B2 (en) | 2003-11-26 | 2008-07-01 | Rohm And Haas Company | Process for manufacturing reduced water content (meth)acrylic acid |
JP4715106B2 (ja) * | 2004-04-01 | 2011-07-06 | 三菱化学株式会社 | (メタ)アクリル酸誘導体の製造方法 |
JP2007191435A (ja) * | 2006-01-19 | 2007-08-02 | Nippon Shokubai Co Ltd | (メタ)アクリル酸の製造方法 |
CN100410228C (zh) * | 2006-01-27 | 2008-08-13 | 中国石油集团工程设计有限责任公司 | 丙烯酸共沸精制并回收乙酸工艺 |
KR101011769B1 (ko) * | 2007-10-23 | 2011-02-07 | 주식회사 엘지화학 | (메타)아크릴산 회수방법 및 (메타)아크릴산 회수장치 |
EP2135656A1 (en) | 2008-05-30 | 2009-12-23 | Rohm and Haas Company | Method for production of purified (Meth)acrylic acid |
JP5507111B2 (ja) * | 2008-05-30 | 2014-05-28 | ローム アンド ハース カンパニー | 水性(メタ)アクリル酸の製造方法 |
JP5765863B2 (ja) * | 2011-03-11 | 2015-08-19 | エルジー・ケム・リミテッド | (メタ)アクリル酸の連続回収方法および回収装置 |
CA2781246A1 (en) | 2011-07-14 | 2013-01-14 | Rohm And Haas Company | Method for removal of organic compounds from waste water streams in a process for production of (meth)acrylic acid |
KR20160009598A (ko) | 2013-05-20 | 2016-01-26 | 사우디 베이식 인더스트리즈 코포레이션 | 아세트산 및 아크릴산의 정제 방법 |
KR102079774B1 (ko) * | 2016-11-25 | 2020-02-20 | 주식회사 엘지화학 | (메트)아크릴산의 연속 회수 방법 및 장치 |
KR102079775B1 (ko) * | 2016-11-25 | 2020-02-20 | 주식회사 엘지화학 | (메트)아크릴산의 연속 회수 방법 및 장치 |
GB201621975D0 (en) | 2016-12-22 | 2017-02-08 | Johnson Matthey Davy Technologies Ltd | Process |
US20230271914A1 (en) * | 2020-12-03 | 2023-08-31 | Lg Chem, Ltd. | Process for preparing acrylic acid |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58126831A (ja) * | 1982-01-22 | 1983-07-28 | Nippon Shokubai Kagaku Kogyo Co Ltd | メタクリル酸の捕集方法 |
GB2146636B (en) * | 1983-08-11 | 1987-02-04 | Nippon Catalytic Chem Ind | Process for producing acrylic acid |
US5196578A (en) * | 1987-10-09 | 1993-03-23 | Mitsui Toatsu Chemicals, Incorporated | Purification process of methacrylic acid |
TW295580B (pt) * | 1992-01-09 | 1997-01-11 | Nippon Catalytic Chem Ind | |
JPH089567B2 (ja) * | 1992-01-09 | 1996-01-31 | 株式会社日本触媒 | アクリル酸製造においてアクリル酸を高純度に精製する方法 |
JP3937462B2 (ja) * | 1994-08-04 | 2007-06-27 | 三菱化学株式会社 | アクリル酸精製法 |
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 |
-
2000
- 2000-02-21 TW TW089102965A patent/TW553929B/zh not_active IP Right Cessation
- 2000-02-21 DE DE60005870T patent/DE60005870T2/de not_active Expired - Lifetime
- 2000-02-21 EP EP00301333A patent/EP1035103B1/en not_active Expired - Lifetime
- 2000-02-29 KR KR1020000009995A patent/KR100694869B1/ko active IP Right Grant
- 2000-03-01 US US09/516,668 patent/US6399817B1/en not_active Expired - Lifetime
- 2000-03-02 BR BRPI0000997-0A patent/BR0000997B1/pt not_active IP Right Cessation
- 2000-03-03 CN CNB001038192A patent/CN1237042C/zh not_active Expired - Lifetime
- 2000-03-06 JP JP2000060725A patent/JP2000273065A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1237042C (zh) | 2006-01-18 |
EP1035103A3 (en) | 2001-01-17 |
KR100694869B1 (ko) | 2007-03-14 |
JP2000273065A (ja) | 2000-10-03 |
BR0000997B1 (pt) | 2011-02-22 |
KR20000062667A (ko) | 2000-10-25 |
CN1269349A (zh) | 2000-10-11 |
US6399817B1 (en) | 2002-06-04 |
EP1035103B1 (en) | 2003-10-15 |
TW553929B (en) | 2003-09-21 |
DE60005870T2 (de) | 2004-08-19 |
DE60005870D1 (de) | 2003-11-20 |
EP1035103A2 (en) | 2000-09-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR0000997A (pt) | Processo para preparação de ácido (met) acrìlico | |
BR9903984B1 (pt) | processo para a produção de uma composição aquosa que contém um peptìdeo farmaceuticamente efetivo. | |
BR0107837A (pt) | Processo para solubilização de compostos peptìdeo 1 semelhantes a glucagon | |
AR059120A2 (es) | Sal de dicarboxilato del (1s,4r) -4- (2-amino-6- (ciclopropilamino ) -9h- purin-9-il)-2- ciclopenten -1- metanol y procedimiento para su preparacion | |
BR0008675A (pt) | Processo para gerar código de linguagem orientada para procedimento para extrair dados de um sistema operacional | |
GB2314508A (en) | Diamide-dicarboxylic acid microspheres | |
AR066694A2 (es) | Metodo para la preparacion de citalopram | |
ES2159919T3 (es) | Procedimiento para la preparacion de compuestos de tipo ceramidas. | |
AR026063A1 (es) | Metodo para la preparacion de 5-carboxiftalida. | |
MX9202011A (es) | Mejoras en un proceso para la separacion de acido arsenico a partir de una solucion que contiene acido sulfurico. | |
ES2164700T3 (es) | Procedimiento para preparar carbinoles de aril-piperidina. | |
BR0214414A (pt) | Processo para recuperar caprolactama | |
BR9812324A (pt) | Métodos e dispositivos para remover ácido acético de ciclo-hexano na produção de ácido adìpico | |
BR0007982A (pt) | Processo para a preparação de um composto, e,composto | |
BR9916812B1 (pt) | processo para purificaÇço de um heteropoliÁcido. | |
BR0009453A (pt) | Processo para a preparação de um composto | |
BR9808011A (pt) | Processo para a purificação de caprolactama | |
BR0105071A (pt) | Processo para produção de óxido linaloólico ou de misturas que contêm óxido linaloólico | |
BR9206468A (pt) | Processo para produzir solução aquosa de ácido hipocloroso. | |
BR0209557B1 (pt) | um método para a estabilização da capacidade de produção de uma planta de extração de uma extração de solução de metal em um processo. | |
ES2177258T3 (es) | Procedimiento parra la extraccion de particulas de poliamida 6. | |
ID30297A (id) | Metode untuk mengolah suatu gas | |
BR0013799A (pt) | Processo para a preparação de um composto, e, composto | |
BR9906444A (pt) | Processo para acilação de amino álcoois | |
EA200000736A1 (ru) | Фармацевтические композиции |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B15K | Others concerning applications: alteration of classification |
Free format text: ALTARADA DA INT.CL: C07C 67/60, C07C 69/54, C07C 51/25, C07C 51/44, C07C 57/05, C07C57/07 Ipc: C07C 67/60 (2009.01), C07C 69/54 (2009.01), C07C 5 |
|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 22/02/2011, OBSERVADAS AS CONDICOES LEGAIS. |
|
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 22.02.2021 |