ES2126358T3 - Procedimiento para la separacion de productos de una mezcla liquida por cristalizacion. - Google Patents

Procedimiento para la separacion de productos de una mezcla liquida por cristalizacion.

Info

Publication number
ES2126358T3
ES2126358T3 ES96115817T ES96115817T ES2126358T3 ES 2126358 T3 ES2126358 T3 ES 2126358T3 ES 96115817 T ES96115817 T ES 96115817T ES 96115817 T ES96115817 T ES 96115817T ES 2126358 T3 ES2126358 T3 ES 2126358T3
Authority
ES
Spain
Prior art keywords
crystallization
separation
procedure
liquid mixture
products
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES96115817T
Other languages
English (en)
Inventor
Bernd Eck
Bernhard Maltry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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 SE filed Critical BASF SE
Application granted granted Critical
Publication of ES2126358T3 publication Critical patent/ES2126358T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B63/00—Purification; Separation; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

EN UN PROCEDIMIENTO PARA SEPARACION DE SUSTANCIA A PARTIR DE UNA MEZCLA LIQUIDA MEDIANTE CRISTALIZACION EN UN CRISTALIZADOR SE APLICA ANTES DE LA CRISTALIZACION SOBRE LAS SUPERFICIES RESPECTIVAS DEL CRISTALIZADOR, QUE ESTAN LAVADAS DE CRISTALES DURANTE LA CRISTALIZACION, UNA CAPA DE SUERO DE DOS FASES EN FORMA DE UNA COLADA O UNA SOLUCION DE LA MEZCLA A SER SEPARADA CON LOS CRISTALES SUSPENDIDOS EN ELLA.
ES96115817T 1995-10-02 1996-10-02 Procedimiento para la separacion de productos de una mezcla liquida por cristalizacion. Expired - Lifetime ES2126358T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19536792A DE19536792A1 (de) 1995-10-02 1995-10-02 Verfahren zur Stofftrennung aus einem flüssigen Gemisch durch Kristallisation

Publications (1)

Publication Number Publication Date
ES2126358T3 true ES2126358T3 (es) 1999-03-16

Family

ID=7773896

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96115817T Expired - Lifetime ES2126358T3 (es) 1995-10-02 1996-10-02 Procedimiento para la separacion de productos de una mezcla liquida por cristalizacion.

Country Status (6)

Country Link
US (1) US5755975A (es)
EP (1) EP0766984B1 (es)
JP (1) JP4092738B2 (es)
CN (1) CN1083283C (es)
DE (2) DE19536792A1 (es)
ES (1) ES2126358T3 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10101611A (ja) * 1996-09-30 1998-04-21 Nippon Steel Chem Co Ltd 安息香酸の精製方法
DE19904820A1 (de) * 1999-02-05 2000-08-10 Stockhausen Chem Fab Gmbh Verfahren und Vorrichtung zur Reinigung von Stoffen mittels Kristallisation
DE10103208A1 (de) * 2001-01-24 2002-08-14 Ruetgers Vft Ag Gewinnung von Anthracen und Carbazol durch Schmelzkristallisation
US7189328B1 (en) * 2004-06-25 2007-03-13 Eau-Viron Incorporated Method for extraction of dissolved trace materials from solution
DE102004038107A1 (de) 2004-08-05 2006-03-16 Basf Ag Verfahren zur Verbesserung der Farbstabilität von Piperazin
DE102004058907A1 (de) 2004-12-07 2006-06-08 Basf Ag Reinigung von ionischen Flüssigkeiten
US7138528B2 (en) * 2005-02-01 2006-11-21 Lyondell Chemical Technology, L.P. Method for crystallizing N-vinyl-2-pyrrolidone
CN100338021C (zh) * 2006-06-19 2007-09-19 常州市佳森化工有限公司 硝基苯甲醚混合物的结晶分离工艺
JP2011201865A (ja) * 2010-03-02 2011-10-13 Sumitomo Chemical Co Ltd ε−カプロラクタムの製造方法
US9120743B2 (en) 2013-06-27 2015-09-01 Celanese International Corporation Integrated process for the production of acrylic acids and acrylates
US10294182B2 (en) * 2014-03-19 2019-05-21 Basf Se Method and device for separating a substance out of a solution

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT279547B (de) * 1967-04-14 1970-03-10 Buchs Metallwerk Ag Verfahren und Vorrichtung zur Trennung oder Reinigung schmelzflüssiger, flüssiger oder gelöster Stoffe durch fraktioniertes Kristallisieren
US4004886A (en) * 1969-12-12 1977-01-25 Stamicarbon B.V. Two stage continuous process and apparatus for crystallization
US3844724A (en) * 1971-12-27 1974-10-29 Du Pont Zone-melting apparatus
DE2606364C3 (de) * 1976-02-18 1988-05-26 Basf Ag, 6700 Ludwigshafen Verfahren zur Stofftrennung aus einem flüssigen Gemisch durch fraktionierte Kristallisation
US4199373A (en) * 1979-04-13 1980-04-22 Chimicasa Gmbh Process for the manufacture of crystalline fructose
DE3203818A1 (de) * 1982-02-04 1983-08-11 Rütgerswerke AG, 6000 Frankfurt Verfahren und vorrichtung zur stofftrennung eines fluessigen gemisches durch fraktionierte kristallisation
US4657559A (en) * 1985-05-08 1987-04-14 Freeport Research And Engineering Company Process for seed crystal preparation for phosphoric acid crystallization
CH667816A5 (de) * 1985-10-09 1988-11-15 Sulzer Ag Kristallisationsvorrichtung und deren verwendung.
US4795571A (en) * 1987-02-20 1989-01-03 Basf Aktiengesellschaft Purification of frozen crystal layers
DE3708709A1 (de) * 1987-03-18 1988-10-06 Basf Ag Verfahren zur reinigung ausgefrorener kristallschichten
US4787985A (en) * 1987-08-25 1988-11-29 Grenco Process Technology B.V. Multi-stage purification unit process
DE69120013T2 (de) * 1990-10-12 1996-10-24 Duphar Int Res Feste Laktulose
US5329021A (en) * 1993-02-04 1994-07-12 Isp Investments Inc. Process for the production of pure vinyl pyrrolidone
US5434316A (en) * 1994-07-28 1995-07-18 General Electric Company Purification of bisphenol-A

Also Published As

Publication number Publication date
DE19536792A1 (de) 1997-04-03
JP4092738B2 (ja) 2008-05-28
CN1083283C (zh) 2002-04-24
JPH09103604A (ja) 1997-04-22
CN1151329A (zh) 1997-06-11
EP0766984B1 (de) 1998-12-30
EP0766984A1 (de) 1997-04-09
DE59601069D1 (de) 1999-02-11
US5755975A (en) 1998-05-26

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