TR23271A - PROCEDURE FOR THE GAIN OF P-KSILOL AT THE MINIMUM OF 95.5% PURITY - Google Patents

PROCEDURE FOR THE GAIN OF P-KSILOL AT THE MINIMUM OF 95.5% PURITY

Info

Publication number: TR23271A
Authority: TR; Turkey
Prior art keywords: ksilol; purity; gain; minimum; procedure
Prior art date: 1986-02-02

Application number

TR78/88A

Other languages

Turkish (tr)

Original Assignee

Krupp Koppers Gmbh

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.)

1987-02-06

Filing date

1986-02-02

Publication date

1989-08-09

1986-02-02 Application filed by Krupp Koppers Gmbh filed Critical Krupp Koppers Gmbh

1987-02-06 Priority claimed from DE3703646A external-priority patent/DE3703646C2/en

1989-08-09 Publication of TR23271A publication Critical patent/TR23271A/en

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C62/00—Compounds having carboxyl groups bound to carbon atoms of rings other than six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- 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
- B01D9/0009—Crystallisation cooling by heat exchange by direct heat exchange with added cooling fluid
- 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
- C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
- C07C39/02—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring monocyclic with no unsaturation outside the aromatic ring
- C07C39/06—Alkylated phenols
- 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)
Chemical Kinetics & Catalysis (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Engineering & Computer Science (AREA)
Analytical Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Water Supply & Treatment (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

TR78/88A 1987-02-06 1986-02-02 PROCEDURE FOR THE GAIN OF P-KSILOL AT THE MINIMUM OF 95.5% PURITY TR23271A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3703646A DE3703646C2 (en)	1987-02-06	1987-02-06	Process for the production of p-xylene with a purity of at least 99.5%

Publications (1)

Publication Number	Publication Date
TR23271A true TR23271A (en)	1989-08-09

Family

ID=6320395

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
TR78/88A TR23271A (en)	1987-02-06	1986-02-02	PROCEDURE FOR THE GAIN OF P-KSILOL AT THE MINIMUM OF 95.5% PURITY

Country Status (6)

Country	Link
KR (1)	KR890700559A (en)
CN (1)	CN1016685B (en)
ES (1)	ES2006067A6 (en)
PT (1)	PT86712B (en)
TR (1)	TR23271A (en)
WO (1)	WO1988005766A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3839229A1 (en) *	1988-11-19	1990-05-23	Krupp Koppers Gmbh	METHOD FOR OBTAINING P-XYLOL WITH A PURITY OF MORE THAN 99.8% BY WEIGHT
EG20284A (en) *	1993-02-17	1998-07-30	Ici Plc	Separation process
GB9303191D0 (en) *	1993-02-17	1993-03-31	Ici Plc	Separation process
CN103086846B (en) *	2011-10-28	2015-08-19	中国石油化工股份有限公司	A kind of device and method being continuously separated isopropyl-phenol
CN104030880B (en) *	2013-08-08	2016-07-06	中石化上海工程有限公司	The method of direct crystallisation by cooling separating paraxylene

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2769852A (en) *	1953-04-01	1956-11-06	California Research Corp	Separation of xylene isomers by fractional crystallization
GB1319870A (en) *	1970-11-17	1973-06-13	Monsanto Co	Separation by crystallization

1986
- 1986-02-02 TR TR78/88A patent/TR23271A/en unknown
1988
- 1988-01-07 WO PCT/DE1988/000009 patent/WO1988005766A1/en unknown
- 1988-01-07 KR KR1019880700933A patent/KR890700559A/en not_active Application Discontinuation
- 1988-01-26 ES ES8800206A patent/ES2006067A6/en not_active Expired
- 1988-02-05 CN CN88100630A patent/CN1016685B/en not_active Expired
- 1988-02-05 PT PT86712A patent/PT86712B/en active IP Right Grant

Also Published As

Publication number	Publication date
WO1988005766A1 (en)	1988-08-11
PT86712B (en)	1992-04-30
PT86712A (en)	1988-03-01
CN1016685B (en)	1992-05-20
CN88100630A (en)	1988-11-09
KR890700559A (en)	1989-04-25
ES2006067A6 (en)	1989-04-01

Similar Documents

Publication	Publication Date	Title
NO871715L (en)	1987-10-29	PROCEDURE FOR THE PREPARATION OF ALFA-OLEPHINE POLYMES.
NO874467D0 (en)	1987-10-26	PROCEDURE FOR THE PREPARATION OF 3-PYRROLIDINOLS.
IT8667628A1 (en)	1988-02-04	PROCEDURE FOR THE MANUFACTURE OF DICHROIC ANTENNA STRUCTURES.
NO855067L (en)	1986-06-18	PROCEDURE FOR THE PREPARATION OF N-FORMYL-ALFA-ASPARTYL-PHENYLALANINE.
IT1147923B (en)	1986-11-26	PROCEDURE FOR THE PRODUCTION OF DITIAZOLIL-2 (2.2 ') - DISULFURI
IT1216560B (en)	1990-03-08	PROCEDURE FOR THE PREPARATION OF BIS (2,2,6,6_TETRAMETIL_4_PIPERIDIL) AMMINA.
TR23271A (en)	1989-08-09	PROCEDURE FOR THE GAIN OF P-KSILOL AT THE MINIMUM OF 95.5% PURITY
NO159080C (en)	1988-11-30	PROCEDURE FOR THE PREPARATION OF 2,4-DICHLOR-5-FLUORO-BENZOIC ACID.
NO165637C (en)	1991-03-13	PROCEDURE FOR THE PREPARATION OF ETHOXYLED LIGINITE.
NO873400L (en)	1988-02-15	PROCEDURE FOR THE PREPARATION OF SULPHIDE-FREE ALKALIVESE.
NO860273L (en)	1986-07-29	PROCEDURE FOR THE PREPARATION OF 4,4-DIALKYL-2-AZETIDINONES.
NO870828D0 (en)	1987-02-27	PROCEDURE FOR THE MANUFACTURE OF BISCAR BAMBATES.
NO872690D0 (en)	1987-06-26	PROCEDURE FOR THE PREPARATION OF MERCAPTOACYLPROLIN.
NO171727C (en)	1993-04-28	PROCEDURE FOR THE PREPARATION OF OKAZINO (5,6-C) 1,2-BENZOTIAZINE-6,6-DIOXYDE
NO880345L (en)	1988-01-27	PROCEDURE FOR THE PREPARATION OF ALKYL-TERT BUTYLETERS.
NO875465D0 (en)	1987-12-29	PROCEDURE FOR THE PREPARATION OF AMINOALCANOYL-DIBENZO (D, G) (1,3,6) DIOXAZOCINES.
IT8420456A0 (en)	1984-04-10	PROCEDURE FOR THE PREPARATION OF POLYPHENYLETERS.
NO863044D0 (en)	1986-07-28	PROCEDURE FOR THE PREPARATION OF 5,6-DIALCOXYANTRANIC ACIDS.
NO166709C (en)	1991-08-28	PROCEDURE FOR THE PREPARATION OF ACRYLAMIDS.
FI880733A0 (en)	1988-02-17	ANORDING FOR THE PURPOSE OF SOLV- ELLER RITTGARN I EN VAEVSTOL.
NO864305L (en)	1987-04-30	PROCEDURE FOR THE PREPARATION OF 5-NAVTHYL-2,4-DIALKYL-3H-1,2,4-TRIAZOL-3-THIONER.
NO861178L (en)	1986-09-26	PROCEDURE FOR THE PREPARATION OF 1,8-Naphthyridinones.
IT8419249A0 (en)	1984-01-20	PROCEDURE FOR THE SYNTHESIS OF O-ISOPROPOXYPHENOL.
NO166361C (en)	1991-07-10	PROCEDURE FOR THE PREPARATION OF METHYL-4-OXO-5-TETRADECYNOATE.
LT2342B (en)	1993-12-15	BACKGROUND OF THE INVENTION OF 2,6-DIOXOPIPERAZINE