BR9909309B1 - processo para a recuperação de ácido acrìlico. - Google Patents

processo para a recuperação de ácido acrìlico.

Info

Publication number
BR9909309B1
BR9909309B1 BRPI9909309-0A BR9909309A BR9909309B1 BR 9909309 B1 BR9909309 B1 BR 9909309B1 BR 9909309 A BR9909309 A BR 9909309A BR 9909309 B1 BR9909309 B1 BR 9909309B1
Authority
BR
Brazil
Prior art keywords
recovery
acrylic acid
acrylic
acid
Prior art date
Application number
BRPI9909309-0A
Other languages
English (en)
Portuguese (pt)
Other versions
BR9909309A (pt
Inventor
Gerhard Nestler
Juergen Schroeder
Otto Machhammer
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BR9909309A publication Critical patent/BR9909309A/pt
Publication of BR9909309B1 publication Critical patent/BR9909309B1/pt

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
    • C07C51/43—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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds

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)
BRPI9909309-0A 1998-03-31 1999-03-24 processo para a recuperação de ácido acrìlico. BR9909309B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19814387A DE19814387A1 (de) 1998-03-31 1998-03-31 Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern
PCT/EP1999/001995 WO1999050219A1 (de) 1998-03-31 1999-03-24 Verfahren zur herstellung von acrylsäure und acrylsäureestern

Publications (2)

Publication Number Publication Date
BR9909309A BR9909309A (pt) 2000-11-21
BR9909309B1 true BR9909309B1 (pt) 2011-11-01

Family

ID=7863103

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9909309-0A BR9909309B1 (pt) 1998-03-31 1999-03-24 processo para a recuperação de ácido acrìlico.

Country Status (8)

Country Link
US (1) US6727383B1 (enExample)
EP (1) EP1066239B1 (enExample)
JP (1) JP4410934B2 (enExample)
CN (1) CN1107046C (enExample)
BR (1) BR9909309B1 (enExample)
DE (2) DE19814387A1 (enExample)
MY (1) MY119537A (enExample)
WO (1) WO1999050219A1 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6498272B1 (en) 1999-03-06 2002-12-24 Basf Aktiengesellschaft Method for producing acrylic acid
DE10063161A1 (de) * 2000-12-18 2002-06-20 Basf Ag Verfahren zum Abschrecken eines heißen (Meth)acrylsäure enthaltenden Gasgemisches
WO2003095411A1 (de) * 2002-05-08 2003-11-20 Basf Aktiengesellschaft Verfahren zur herstellung von acrylsäure und/ oder deren ester sowie von propionsäure und/ oder deren ester im verbund
DE10300499A1 (de) * 2003-01-08 2003-10-23 Basf Ag Verfahren der rektifikativen Auftrennung von (Meth)acrylmonomere enthaltenden Fluiden
US8431743B2 (en) 2004-07-01 2013-04-30 Basf Aktiengesellschaft Preparation of acrylic acid by heterogeneously catalyzed partial gas phase oxidation of propylene
CN1930108B (zh) * 2004-08-02 2010-12-29 Lg化学株式会社 制备(甲基)丙烯酸的方法
TWI438187B (zh) * 2005-02-28 2014-05-21 Evonik Degussa Gmbh 丙烯酸和基於可再生原料之吸水聚合物結構及二者之製備方法
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
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
KR100999428B1 (ko) * 2006-01-20 2010-12-09 니폰 쇼쿠바이 컴파니 리미티드 (메타)아크릴산의 제조 방법
JP5368673B2 (ja) * 2006-01-20 2013-12-18 株式会社日本触媒 （メタ）アクリル酸の製造方法
CN101516820B (zh) * 2006-09-15 2012-11-21 阿克马公司 制备丙烯酸的方法
DE102007043748A1 (de) 2007-09-13 2008-09-11 Basf Se Verfahren zur kontinuierlichen Abtrennung eines Zielproduktes X in Form von feinteiligem Kristallisat
DE102007043758A1 (de) 2007-09-13 2008-10-23 Basf Se Verfahren zum Betreiben einer kontinuierlichen Abtrennung eines Zielproduktes X in Form von feinteiligem Kristallisat des Zielproduktes X
BE1018537A3 (fr) 2007-09-13 2011-03-01 Basf Se Procede d'exploitation d'une separation en continu d'un produit cible x sous la forme d'un cristallisat finement divise.
KR101861855B1 (ko) 2008-07-28 2018-05-28 바스프 에스이 탄소원자 수가 ３개인 아크릴산의 전구체 화합물의 기체상 생성물 혼합물로부터 주성분으로서 함유된 아크릴산과 부산물로서 함유된 글리옥살을 분리시키는 방법
DE102008041573A1 (de) 2008-08-26 2010-03-04 Basf Se Verfahren zur Auftrennung von in einem Produktgasgemisch einer partiellen heterogen katalysierten Gasphasenoxidation einer C3-Vorläuferverbindung der Acrylsäure als Hauptbestandteil enhaltener Acrylsäure und als Nebenprodukt enthaltenem Glyoxal
DE102008040799A1 (de) 2008-07-28 2008-12-11 Basf Se Verfahren zur Auftrennung von in einem Produktgasgemisch einer partiellen heterogen katalysierten Gasphasenoxidation einer C3-Vorläuferverbindung der Acrylsäure als Hauptbestandteil enthaltener Acrylsäure und als Nebenprodukt enthaltenem Glyoxal
DE102010042216A1 (de) 2010-10-08 2011-06-09 Basf Se Verfahren zur Hemmung der unerwünschten radikalischen Polymerisation von in einer flüssigen Phase P befindlicher Acrylsäure
KR20160032994A (ko) * 2014-09-17 2016-03-25 주식회사 엘지화학 (메트)아크릴산의 회수 방법 및 회수 장치
CN104225942A (zh) * 2014-09-24 2014-12-24 南通中泰化工有限公司 丙烯酸异辛酯酯化反应中蒸发器冷凝水再利用系统装置
DE102014017815A1 (de) * 2014-12-03 2016-04-14 Basf Se Verfahren zur Gewinnung von Acrylsäure
KR102319305B1 (ko) * 2016-12-06 2021-10-28 주식회사 엘지화학 (메트)아크릴산의 회수 방법 및 장치
JP7384519B2 (ja) 2018-07-26 2023-11-21 ベーアーエスエフ・エスエー 液相ｐに存在するアクリル酸の望ましくないラジカル重合を抑制するための方法
CN115335354A (zh) 2020-03-26 2022-11-11 巴斯夫欧洲公司 抑制存在于液相p中的丙烯酸的不期望的自由基聚合的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1127127A (en) 1966-04-26 1968-09-11 Bp Chem Int Ltd Stabilization of acrylic acid
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
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
IN151108B (enExample) * 1978-09-13 1983-02-19 Standard Oil Co
GB2146636B (en) 1983-08-11 1987-02-04 Nippon Catalytic Chem Ind Process for producing acrylic acid
US5154800A (en) 1992-01-31 1992-10-13 Lloyd Berg Dehydration of acrylic acid by extractive distillation
DE4308087C2 (de) 1993-03-13 1997-02-06 Basf Ag Verfahren zur Abtrennung von Acrylsäure aus den Reaktionsgasen der katalytischen Oxidation von Propylen und/oder Acrolein
DE19547485A1 (de) * 1995-12-19 1996-05-09 Basf Ag Verfahren zum Verestern von (Meth)acrylsäure mit einem Alkanol
DE19600955A1 (de) * 1996-01-12 1997-07-17 Basf Ag Verfahren zur Herstellung von Acrylsäure und deren Ester
DE19740253A1 (de) * 1997-09-12 1999-03-18 Basf Ag Verfahren zur fraktionierten Kondensation eines heißen Gasgemisches mit einem hohen Anteil nicht kondensierbarer Komponenten

Also Published As

Publication number Publication date
US6727383B1 (en) 2004-04-27
JP4410934B2 (ja) 2010-02-10
DE19814387A1 (de) 1999-10-07
JP2002509902A (ja) 2002-04-02
EP1066239A1 (de) 2001-01-10
WO1999050219A1 (de) 1999-10-07
EP1066239B1 (de) 2003-05-28
DE59905749D1 (de) 2003-07-03
CN1107046C (zh) 2003-04-30
CN1295552A (zh) 2001-05-16
BR9909309A (pt) 2000-11-21
MY119537A (en) 2005-06-30

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM O(S) ARTIGO(S) 8O E 13 DA LPI.

B12B Appeal against refusal [chapter 12.2 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 01/11/2011, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 01.11.2021