BG101136A - Method for the separation of raw ester in dmt process - Google Patents

Method for the separation of raw ester in dmt process

Info

Publication number: BG101136A
Authority: BG; Bulgaria
Prior art keywords: separation; column; raw; ester; dmt
Prior art date: 1996-05-07

Application number

BG101136A

Other languages

Bulgarian (bg)

English (en)

Inventor

Hans Dahl

Udo Lenz

Original Assignee

Huels Aktiengesellschaft

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.)

1996-05-07

Filing date

1997-01-16

Publication date

1998-04-30

1997-01-16 Application filed by Huels Aktiengesellschaft filed Critical Huels Aktiengesellschaft

1998-04-30 Publication of BG101136A publication Critical patent/BG101136A/xx

Links

238000000926 separation method Methods 0.000 title abstract 8
238000000034 method Methods 0.000 title abstract 4
150000002148 esters Chemical class 0.000 title abstract 3
WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 abstract 6
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 abstract 2
238000004821 distillation Methods 0.000 abstract 2
230000003647 oxidation Effects 0.000 abstract 2
238000007254 oxidation reaction Methods 0.000 abstract 2
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 1
239000002253 acid Substances 0.000 abstract 1
238000009835 boiling Methods 0.000 abstract 1
230000003197 catalytic effect Effects 0.000 abstract 1
239000007795 chemical reaction product Substances 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
150000004702 methyl esters Chemical class 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

BG101136A 1996-05-07 1997-01-16 Method for the separation of raw ester in dmt process BG101136A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19618152A DE19618152C1 (de)	1996-05-07	1996-05-07	Verfahren zur Trennung von Rohester im DMT-Prozeß

Publications (1)

Publication Number	Publication Date
BG101136A true BG101136A (en)	1998-04-30

Family

ID=7793486

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BG101136A BG101136A (en)	1996-05-07	1997-01-16	Method for the separation of raw ester in dmt process

Country Status (8)

Country	Link
EP (1)	EP0806406A1 (cs)
JP (1)	JPH09301930A (cs)
KR (1)	KR970074745A (cs)
BG (1)	BG101136A (cs)
CZ (1)	CZ11097A3 (cs)
DE (1)	DE19618152C1 (cs)
TR (1)	TR199700142A2 (cs)
TW (1)	TW397818B (cs)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10100552A1 (de) *	2001-01-09	2002-07-11	Basf Ag	Verfahren und Vorrichtung zur destillativen Aufarbeitung von 1,6-Hexandiol, 1,5-Pentandiol ung Caprolacton
US7498472B2 (en)	2007-05-23	2009-03-03	Uop Llc	Process for producing ethylbenzene
US7525005B2 (en)	2007-05-23	2009-04-28	Uop Llc	Process for producing cumene
US7525006B2 (en)	2007-05-23	2009-04-28	Uop Llc	Process for producing cumene
US7525003B2 (en)	2007-05-23	2009-04-28	Uop Llc	Process for producing ethylbenzene
US7498471B2 (en)	2007-05-23	2009-03-03	Uop Llc	Process for producing cumene
US7713386B2 (en)	2007-05-23	2010-05-11	Uop Llc	Apparatus for producing ethylbenzene or cumene
US7525004B2 (en)	2007-05-23	2009-04-28	Uop Llc	Process for producing ethylbenzene
ES2617733T3 (es) *	2012-09-28	2017-06-19	Dow Global Technologies Llc	Procedimiento para la producción de ésteres de glicol de alta pureza
US20250115537A1 (en)	2022-01-19	2025-04-10	Exxonmobil Chemical Patents Inc.	Compositions Containing Tri-Cyclopentadiene and Processes for Making Same
WO2025244981A1 (en)	2024-05-20	2025-11-27	ExxonMobil Technology and Engineering Company	Processes for making exo-dicyclopentadiene and tricyclopentadiene

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2992168A (en) *	1959-07-09	1961-07-11	Eastman Kodak Co	Process of purifying dimethyl terephthalate and other compounds which sublime
DE3011858C2 (de) *	1979-04-21	1982-11-25	Dynamit Nobel Ag, 5210 Troisdorf	Verfahren zur Herstellung von Terephtalsäure aus Roh-Dimethylterephthalat durch kontinuierliche Hydrolyse mit Wasser
DE3045332C2 (de) *	1980-12-02	1982-11-25	Dynamit Nobel Ag, 5210 Troisdorf	Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus Rückständen im Witten-DMT-Prozeß
DE3407925C1 (de) *	1984-03-03	1985-09-05	Dynamit Nobel Ag, 5210 Troisdorf	Verfahren zur Herstellung von Terephthalsaeuredimethylester aus p-Xylol und Methanol
DE3904586A1 (de) *	1989-02-16	1990-08-23	Huels Chemische Werke Ag	Verfahren zur herstellung von dmt-zwischenprodukt bestimmter reinheit sowie dessen weiterverarbeitung zu reinst-dmt und/oder mittel- oder hochreiner terephthalsaeure
ATE116735T1 (de) *	1989-03-21	1995-01-15	Josef Hobelsberger	Verfahren und vorrichtung zur herstellung von eisfiguren.

1996
- 1996-05-07 DE DE19618152A patent/DE19618152C1/de not_active Expired - Fee Related
1997
- 1997-01-14 CZ CZ97110A patent/CZ11097A3/cs unknown
- 1997-01-16 BG BG101136A patent/BG101136A/xx unknown
- 1997-01-17 EP EP97100725A patent/EP0806406A1/de not_active Withdrawn
- 1997-01-21 KR KR1019970001551A patent/KR970074745A/ko not_active Withdrawn
- 1997-02-05 JP JP9022615A patent/JPH09301930A/ja active Pending
- 1997-02-14 TW TW086101710A patent/TW397818B/zh active
- 1997-02-20 TR TR97/00142A patent/TR199700142A2/xx unknown

Also Published As

Publication number	Publication date
TW397818B (en)	2000-07-11
CZ11097A3 (cs)	1998-04-15
JPH09301930A (ja)	1997-11-25
EP0806406A1 (de)	1997-11-12
KR970074745A (ko)	1997-12-10
DE19618152C1 (de)	1997-08-14
TR199700142A2 (xx)	1997-11-21
MX9703082A (es)	1997-11-29

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