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BR0107847A - Processo para purificar ácido (met) acrìlico por cristalização - Google Patents

Processo para purificar ácido (met) acrìlico por cristalização

Info

Publication number
BR0107847A
BR0107847A BR0107847-0A BR0107847A BR0107847A BR 0107847 A BR0107847 A BR 0107847A BR 0107847 A BR0107847 A BR 0107847A BR 0107847 A BR0107847 A BR 0107847A
Authority
BR
Brazil
Prior art keywords
crystallization
acrylic acid
meth
purifying
acrylic
Prior art date
Application number
BR0107847-0A
Other languages
English (en)
Inventor
Emile De Decker
Erik Bastiaensen
Dieter Baumann
Bernd Eck
J Rg Heilek
Original Assignee
Basf Ag
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 by Basf Ag filed Critical Basf Ag
Publication of BR0107847A publication Critical patent/BR0107847A/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

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)

Abstract

"PROCESSO PARA PURIFICAR áCIDO (MET)ACRìLICO POR CRISTALIZAçãO" A invenção diz respeito a um método para a purificação do ácido (met)acrílico por meio da cristalização, por meio da qual o ácido (met)acrílico é purificado pela combinação de pelo menos dois métodos de cristalização dinâmica diferentes, especialmente um método de cristalização de suspensão e um método de cristalização de camada.
BR0107847-0A 2000-01-27 2001-01-24 Processo para purificar ácido (met) acrìlico por cristalização BR0107847A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10003498A DE10003498A1 (de) 2000-01-27 2000-01-27 Reinigungsverfahren für (Meth)acrylsäure
PCT/EP2001/000743 WO2001055076A2 (de) 2000-01-27 2001-01-24 Reinigungsverfahren für (meth)acrylsäure

Publications (1)

Publication Number Publication Date
BR0107847A true BR0107847A (pt) 2002-10-22

Family

ID=7628888

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0107847-0A BR0107847A (pt) 2000-01-27 2001-01-24 Processo para purificar ácido (met) acrìlico por cristalização

Country Status (8)

Country Link
US (1) US6852881B2 (pt)
EP (1) EP1252129B1 (pt)
JP (1) JP2003523968A (pt)
CN (1) CN1170805C (pt)
BR (1) BR0107847A (pt)
DE (2) DE10003498A1 (pt)
MY (1) MY128271A (pt)
WO (1) WO2001055076A2 (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10026407A1 (de) * 2000-05-29 2001-12-06 Basf Ag Verfahren der diskontinuierlichen kristallisativen Reinigung von Roh-Acrylsäure
DE10122788A1 (de) 2001-05-10 2002-06-06 Basf Ag Verfahren der kristallisativen Reinigung einer Roh-Schmelze wenigstens eines Monomeren
DE10122787A1 (de) 2001-05-10 2002-06-06 Basf Ag Verfahren zur Herstellung einer gereinigten Schmelze wenigstens eines Monomeren
WO2005007609A1 (de) 2003-07-11 2005-01-27 Basf Aktiengesellschaft Thermisches trennverfahren zur abtrennung wenigstens eines (meth)acrylmonomere angereichert enthaltenden stoffstroms
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
DE102005040655A1 (de) * 2005-08-26 2007-03-01 Basf Ag Verfahren zur Herstellung von angereichertem Isopulegol
DE102006039203B4 (de) 2006-08-22 2014-06-18 Evonik Degussa Gmbh Verfahren zur Herstellung von durch Kristallisation gereinigter Acrylsäure aus Hydroxypropionsäure sowie Vorrichtung dazu
BRPI0916635B1 (pt) 2008-07-28 2020-04-14 Basf Se processo para separar ácido acrílico, presente como um produto principal, e glioxal, presente como um subproduto em uma mistura gasosa
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
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
US8658822B2 (en) 2011-10-03 2014-02-25 Celanese International Corporation Processes for producing acrylic acids and acrylates
US8536368B2 (en) 2011-10-03 2013-09-17 Celanese International Corporation Processes for the production of acrylic acids and acrylates from a trioxane feed
US8729299B2 (en) 2011-10-03 2014-05-20 Celanese International Corporation Processes for the production of acrylic acids and acrylates
ES2895952T3 (es) 2013-01-14 2022-02-23 Sulzer Management Ag Proceso de cristalización de etapas múltiples y aparato para purificar un compuesto
US9073846B2 (en) 2013-06-05 2015-07-07 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
US9120743B2 (en) 2013-06-27 2015-09-01 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
EP2901400A4 (en) * 2013-09-23 2015-12-02 Farmobile Llc SYSTEM FOR COLLECTION AND EXCHANGE OF AGRICULTURAL DATA
EP3012244A1 (en) 2014-10-24 2016-04-27 Sulzer Chemtech AG Process and apparatus for purification of acrylic acid
KR20230108302A (ko) * 2020-11-20 2023-07-18 가부시키가이샤 닛폰 쇼쿠바이 화합물의 정제 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2606364C3 (de) * 1976-02-18 1988-05-26 Basf Ag, 6700 Ludwigshafen Verfahren zur Stofftrennung aus einem flüssigen Gemisch durch fraktionierte Kristallisation
US4230888A (en) * 1977-12-15 1980-10-28 Standard Oil Company (Ohio) Process for purification of acrylic acid by fractional crystallization
TW305830B (pt) 1993-03-26 1997-05-21 Sulzer Chemtech Ag
JP2727061B2 (ja) * 1993-10-13 1998-03-11 日揮株式会社 晶析方法及び晶析装置
DE19600955A1 (de) * 1996-01-12 1997-07-17 Basf Ag Verfahren zur Herstellung von Acrylsäure und deren Ester
DE19606877A1 (de) 1996-02-23 1997-08-28 Basf Ag Verfahren zur Reinigung von Acrylsäure und Methacrylsäure
DE19627847A1 (de) 1996-07-10 1998-01-15 Basf Ag Verfahren zur Herstellung von Acrylsäure
DE19627679A1 (de) * 1996-07-10 1998-01-15 Basf Ag Verfahren zur Reinigung von Roh-Acrylsäure durch Kristallisation
DE19829477A1 (de) * 1998-07-01 2000-01-05 Basf Ag Verfahren zur Reinigung von Acrylsäure oder Methacrylsäure durch Kristallisation und Destillation
DE10003497A1 (de) 2000-01-27 2001-04-12 Basf Ag Reinigungsverfahren für (Meth)acrylsäure

Also Published As

Publication number Publication date
WO2001055076A3 (de) 2001-12-20
US6852881B2 (en) 2005-02-08
CN1170805C (zh) 2004-10-13
US20030018214A1 (en) 2003-01-23
MY128271A (en) 2007-01-31
WO2001055076A2 (de) 2001-08-02
DE10003498A1 (de) 2001-08-02
JP2003523968A (ja) 2003-08-12
CN1396900A (zh) 2003-02-12
EP1252129A2 (de) 2002-10-30
EP1252129B1 (de) 2004-01-02
DE50101261D1 (de) 2004-02-05

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Legal Events

Date Code Title Description
B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

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