AU5655698A - Suspension crystallization method - Google Patents

Suspension crystallization method

Info

Publication number: AU5655698A
Authority: AU; Australia
Prior art keywords: crystallization method; suspension crystallization; suspension; crystallization
Prior art date: 1996-12-10
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.): Abandoned

Application number

AU56556/98A

Inventor

Rudiger Drope

Dieter Grenner

Hartmut Hetzel

Hans-Peter Schal

Gerhard Wegener

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.)

Bayer AG

Original Assignee

Bayer 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.)

1996-12-10

Filing date

1997-11-27

Publication date

1998-07-03

1997-11-27 Application filed by Bayer AG filed Critical Bayer AG

1998-07-03 Publication of AU5655698A publication Critical patent/AU5655698A/en

Status Abandoned legal-status Critical Current

Classifications

- 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
- B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated

Landscapes

Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Extraction Or Liquid Replacement (AREA)

AU56556/98A 1996-12-10 1997-11-27 Suspension crystallization method Abandoned AU5655698A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE19651216A DE19651216C1 (en)	1996-12-10	1996-12-10	Suspension crystallization process
DE19651216		1996-12-10
PCT/EP1997/006610 WO1998025889A1 (en)	1996-12-10	1997-11-27	Suspension crystallization method

Publications (1)

Publication Number	Publication Date
AU5655698A true AU5655698A (en)	1998-07-03

Family

ID=7814191

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU56556/98A Abandoned AU5655698A (en)	1996-12-10	1997-11-27	Suspension crystallization method

Country Status (7)

Country	Link
EP (1)	EP0944588A1 (en)
JP (1)	JP2001505485A (en)
AU (1)	AU5655698A (en)
BR (1)	BR9713571A (en)
DE (1)	DE19651216C1 (en)
TW (1)	TW380128B (en)
WO (1)	WO1998025889A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU2001246528A1 (en) *	2000-04-11	2001-10-23	Basf Aktiengesellschaft	Method for the purification of a crude acrylic acid melt
DE10221176A1 (en)	2002-05-13	2003-11-27	Basf Ag	Process for the preparation of low-odor hydrogel-forming polymers
WO2010095927A1 (en) *	2009-02-23	2010-08-26	Gea Niro Pt B.V.	Process for crystallizing and separating different diisocyanate isomers
EP2471739A1 (en)	2011-01-04	2012-07-04	Solvay Sa	Process for the purification of phosphoric acid
EP2471585A1 (en)	2011-01-04	2012-07-04	Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO	Apparatus and method for separating solid particles from a slurry
CN103012030B (en) *	2012-12-31	2015-04-15	浙江工业大学	Method for purifying organic mixture by static melt crystallization
WO2021032519A1 (en)	2019-08-21	2021-02-25	Basf Se	Method for purification of isosorbide

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3217024A (en) *	1963-03-22	1965-11-09	Allied Chem	Conversion of mixtures of 2, 4-and 2, 6-toluene diisocyanates to other mixtures of different isomer ratio
US3777892A (en) *	1971-01-27	1973-12-11	H Thijssen	Apparatus for the separation and treatment of solid particles from a liquid suspension
US3872009A (en) *	1971-06-25	1975-03-18	Henricus Alexis Corne Thijssen	Apparatus for the separation and treatment of solid particles from a liquid suspension
DE3220439A1 (en) *	1982-05-29	1983-12-01	Bayer Ag, 5090 Leverkusen	METHOD FOR SEPARATING TECHNOLOGALLY PURE 2,4-DIISOCYANATOTOLUOL OR OF AN INCREASED LEVEL OF 2,4-DIISOCYANATOTOLUOL ISOMERIC MIXTURES FROM, ESSENTIALLY consisting of 2,4- and 2,6-DIISOCYANATOTOLUENE ISING
US4557741A (en) *	1984-02-13	1985-12-10	Grasso's Koniklyke Machine Fabriekon N.V.	Gradient column freeze concentration system
NL8603314A (en) *	1986-12-29	1988-07-18	Grasso Koninkl Maschf	METHOD AND APPARATUS FOR RECOVERING A PURE SUBSTANCE FROM A LIQUID MIXTURE BY CRYSTALLIZATION
US4787985A (en) *	1987-08-25	1988-11-29	Grenco Process Technology B.V.	Multi-stage purification unit process
DE4425316A1 (en) *	1994-07-18	1996-01-25	Bayer Ag	Method for cleaning water by freeze crystallisation

1996
- 1996-12-10 DE DE19651216A patent/DE19651216C1/en not_active Expired - Fee Related
1997
- 1997-11-27 AU AU56556/98A patent/AU5655698A/en not_active Abandoned
- 1997-11-27 JP JP52614698A patent/JP2001505485A/en active Pending
- 1997-11-27 WO PCT/EP1997/006610 patent/WO1998025889A1/en not_active Application Discontinuation
- 1997-11-27 BR BR9713571-2A patent/BR9713571A/en not_active Application Discontinuation
- 1997-11-27 EP EP97952810A patent/EP0944588A1/en not_active Withdrawn
- 1997-11-28 TW TW086117881A patent/TW380128B/en active

Also Published As

Publication number	Publication date
DE19651216C1 (en)	1998-08-20
JP2001505485A (en)	2001-04-24
EP0944588A1 (en)	1999-09-29
BR9713571A (en)	2000-03-14
TW380128B (en)	2000-01-21
MX9905358A (en)	1999-12-01
WO1998025889A1 (en)	1998-06-18

Publication	Publication Date	Title
AU5312198A (en)	1998-08-03	Screening method
AU5751298A (en)	1998-06-22	Method for producing arylcyanates
AU1772797A (en)	1997-10-09	Lens injection-compression-molding method
AU5317398A (en)	1998-06-10	Method for preparing cyclopropylamines
AU7381596A (en)	1997-04-28	Suspension system
AU1936397A (en)	1997-10-10	Suspension clamps
AU5753698A (en)	1998-07-15	Method for producing n-substituted 3-hydroxypyrazoles
AU3704297A (en)	1998-04-14	Method
AU2183997A (en)	1997-10-10	New method
AU1660199A (en)	1999-05-03	Quality control method
AU2050899A (en)	1999-06-16	Method for producing lactams
AU5655698A (en)	1998-07-03	Suspension crystallization method
AU3746397A (en)	1998-03-26	Tempering method
AU5655798A (en)	1998-07-03	Suspension crystallization method
AU6089998A (en)	1998-05-29	Stabilizer
AUPO937097A0 (en)	1997-10-16	Method
AUPO870297A0 (en)	1997-09-18	Method
AU1802595A (en)	1995-09-11	Parallel suspension system
AU5271296A (en)	1996-10-23	Novel method
AU4202697A (en)	1998-03-06	Method for the production of lactams
AU7659496A (en)	1997-06-05	Screening method
AUPO109796A0 (en)	1996-08-08	Construction method
AU1138397A (en)	1997-07-14	Novel method
AU8754798A (en)	1999-03-08	Purification method
AU1000795A (en)	1995-07-13	Moquitoe control method