MX203355B - Purificacion de acido acrilico crudo por cristalizacion - Google Patents

Purificacion de acido acrilico crudo por cristalizacion

Info

Publication number
MX203355B
MX203355B MX9809574A MX9809574A MX203355B MX 203355 B MX203355 B MX 203355B MX 9809574 A MX9809574 A MX 9809574A MX 9809574 A MX9809574 A MX 9809574A MX 203355 B MX203355 B MX 203355B
Authority
MX
Mexico
Prior art keywords
purification
acrylic acid
crude crystallization
crystallization acrylic
crude
Prior art date
Application number
MX9809574A
Other languages
English (en)
Other versions
MX9809574A (es
Inventor
Klaus Lehnert
Klaus Joachim Muller-Engel
Gerhard Nestler
Bernd Eck
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 MX9809574A publication Critical patent/MX9809574A/es
Publication of MX203355B publication Critical patent/MX203355B/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03—Monocarboxylic acids
    • C07C57/04—Acrylic acid; Methacrylic acid
    • 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)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
MX9809574A 1996-07-10 1997-06-24 Purificacion de acido acrilico crudo por cristalizacion MX203355B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19627679A DE19627679A1 (de) 1996-07-10 1996-07-10 Verfahren zur Reinigung von Roh-Acrylsäure durch Kristallisation
PCT/EP1997/003304 WO1998001414A1 (de) 1996-07-10 1997-06-24 Verfahren zur reinigung von roh-acrylsäure durch kristallisation

Publications (2)

Publication Number Publication Date
MX9809574A MX9809574A (es) 1999-03-31
MX203355B true MX203355B (es) 2001-07-30

Family

ID=7799366

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9809574A MX203355B (es) 1996-07-10 1997-06-24 Purificacion de acido acrilico crudo por cristalizacion

Country Status (15)

Country Link
US (1) US6063959A (es)
EP (1) EP0912486B1 (es)
JP (1) JP2000514069A (es)
KR (1) KR100502603B1 (es)
CN (1) CN1072203C (es)
AU (1) AU3344097A (es)
BR (1) BR9710217A (es)
CA (1) CA2250806A1 (es)
CZ (1) CZ5099A3 (es)
DE (2) DE19627679A1 (es)
ID (1) ID17665A (es)
MX (1) MX203355B (es)
MY (1) MY116928A (es)
TW (1) TW427972B (es)
WO (1) WO1998001414A1 (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19904820A1 (de) * 1999-02-05 2000-08-10 Stockhausen Chem Fab Gmbh Verfahren und Vorrichtung zur Reinigung von Stoffen mittels Kristallisation
DE10003498A1 (de) * 2000-01-27 2001-08-02 Basf Ag Reinigungsverfahren für (Meth)acrylsäure
JP4960562B2 (ja) * 2000-04-11 2012-06-27 ビーエーエスエフ ソシエタス・ヨーロピア 粗製アクリル酸溶融物の精製法
DE10122788A1 (de) * 2001-05-10 2002-06-06 Basf Ag Verfahren der kristallisativen Reinigung einer Roh-Schmelze wenigstens eines Monomeren
DE10257449A1 (de) * 2002-12-09 2003-11-06 Basf Ag Verfahren zur Herstellung geruchsarmer Hydrogel-bildender Polymerisate
DE10347664A1 (de) 2003-10-09 2004-12-02 Basf Ag Verfahren der rektifikativen Auftrennung einer Acrylsäure enthaltenden Flüssigkeit
JP2005247731A (ja) * 2004-03-03 2005-09-15 Mitsubishi Chemicals Corp （メタ）アクリル酸組成物及びその製造方法
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
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
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.
DE102007043748A1 (de) 2007-09-13 2008-09-11 Basf Se Verfahren zur kontinuierlichen Abtrennung eines Zielproduktes X in Form von feinteiligem Kristallisat
DE102007043759A1 (de) 2007-09-13 2008-09-11 Basf Se Verfahren zum Betreiben einer kontinuierlichen Abtrennung eines Zielproduktes X in Form von feinteiligem Kristallisat
US8430882B2 (en) 2007-09-13 2013-04-30 Transcorp, Inc. Transcorporeal spinal decompression and repair systems and related methods
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
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
US8292863B2 (en) 2009-10-21 2012-10-23 Donoho Christopher D Disposable diaper with pouches
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
DE102012201913A1 (de) * 2012-02-09 2013-08-14 Tesa Se Haftklebebänder auf Basis biobasierter Monomere
EP3012244A1 (en) 2014-10-24 2016-04-27 Sulzer Chemtech AG Process and apparatus for purification of acrylic acid
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
EP4126808A1 (de) 2020-03-26 2023-02-08 Basf Se Verfahren zur hemmung der unerwünschten radikalischen polymerisation von in einer flüssigen phase p befindlicher acrylsäure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE786398A (fr) * 1971-07-21 1973-01-18 Basf Ag Procede de preparation de l'acide acrylique anhydre
DE3721865A1 (de) * 1987-07-02 1989-01-12 Basf Ag Verfahren zur herstellung von methacrylsaeure
TW305830B (es) * 1993-03-26 1997-05-21 Sulzer Chemtech Ag
DE4335172A1 (de) * 1993-10-15 1995-04-20 Basf Ag Verfahren zur Reinigung von Roh-(Meth)acrylsäure

Also Published As

Publication number Publication date
JP2000514069A (ja) 2000-10-24
US6063959A (en) 2000-05-16
EP0912486A1 (de) 1999-05-06
TW427972B (en) 2001-04-01
EP0912486B1 (de) 2000-10-25
CN1072203C (zh) 2001-10-03
CN1216975A (zh) 1999-05-19
MY116928A (en) 2004-04-30
CZ5099A3 (cs) 1999-05-12
KR20000023681A (ko) 2000-04-25
AU3344097A (en) 1998-02-02
DE59702539D1 (de) 2000-11-30
DE19627679A1 (de) 1998-01-15
MX9809574A (es) 1999-03-31
WO1998001414A1 (de) 1998-01-15
KR100502603B1 (ko) 2005-07-21
ID17665A (id) 1998-01-15
CA2250806A1 (en) 1998-01-15
BR9710217A (pt) 1999-08-10

Similar Documents

Publication Publication Date Title
MX203355B (es) Purificacion de acido acrilico crudo por cristalizacion
PT0900782E (pt) Ester do acido 2-cianacrilico
ID30252A (id) Pemurnian asam akrilat atau asam metakrilat oleh kristalisasi dan distilasi
PT1070058E (pt) Hidroxiamidas de acido (4-aril-sulfonilamino)-tetra-hidropirano-4-carboxilico
DE59405832D1 (de) Verfahren zur Reinigung von Roh-(Meth)acrylsäure
EE9600097A (et) Geenitranskriptide võrdlev analüüs
BR9510256A (pt) Derivados de ácido 3-aril-tetrônico
PT1100327E (pt) Microcapsulas de libertacao despoletada por acido
PT101711A (pt) Processo para a preparacao e/ou purificacao de acido clavulcanico
FI954047A (fi) Ihmisen interleukiini-10:n puhdistaminen
BR9601031A (pt) Processo para a purificação de àcido acético
MX163740B (es) Purificacion de acido tereftalico
DE69507215D1 (de) Reinigung von Bisphenol-A
GB9807464D0 (en) Purification of human acid µ-glucosidase
DK0713854T3 (da) Fremgangsmåde til oprensning af rå-(meth)acrylsyre
DE69707848D1 (de) Verfahren zur Reinigung von Acetonitril
ID22906A (id) Proses untuk memurnikan siloksana
ID22856A (id) Pemurnian etilena oksida dengan cara distilasi
AU2001260305A1 (en) Method for discontinuous purification of crude acrylic acid by means of crystallization
DE59607679D1 (de) Verfahren zur Reinigung von Schwefelsäure
BR9303373A (pt) Processo para a purificacao de amidas de acido graxo
DK0716645T3 (da) Rensning af propofol
BR8900146A (pt) Processo para purificacao de acido 2-hidroxi-naftaleno-6-carboxilico
FI964123A0 (fi) Amidokarboksyylihapon puhdistaminen neste/nesteuutolla
BR9401102A (pt) Processo de obtenção de ácido pirolenhoso

Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees