DE69605475T2 - Abtrennung von Dimethylterephthalat aus einem Methanolysegasstrom - Google Patents

Abtrennung von Dimethylterephthalat aus einem Methanolysegasstrom

Info

Publication number
DE69605475T2
DE69605475T2 DE69605475T DE69605475T DE69605475T2 DE 69605475 T2 DE69605475 T2 DE 69605475T2 DE 69605475 T DE69605475 T DE 69605475T DE 69605475 T DE69605475 T DE 69605475T DE 69605475 T2 DE69605475 T2 DE 69605475T2
Authority
DE
Germany
Prior art keywords
methanolysis
stream
separation
gas
dimethyl terephthalate
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
DE69605475T
Other languages
English (en)
Other versions
DE69605475D1 (de
Inventor
Walter E Toot
Brian L Simpson
Bruce Roger Debruin
Andrius Algimantas Naujokas
William James Gamble
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE69605475D1 publication Critical patent/DE69605475D1/de
Application granted granted Critical
Publication of DE69605475T2 publication Critical patent/DE69605475T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/24—Mobile, marine distiller

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
DE69605475T 1995-04-03 1996-04-01 Abtrennung von Dimethylterephthalat aus einem Methanolysegasstrom Expired - Lifetime DE69605475T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/415,861 US5578173A (en) 1995-04-03 1995-04-03 Removal of dimethylterephthalate from a methanolysis vapor stream

Publications (2)

Publication Number Publication Date
DE69605475D1 DE69605475D1 (de) 2000-01-13
DE69605475T2 true DE69605475T2 (de) 2000-07-06

Family

ID=23647515

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69605475T Expired - Lifetime DE69605475T2 (de) 1995-04-03 1996-04-01 Abtrennung von Dimethylterephthalat aus einem Methanolysegasstrom

Country Status (4)

Country Link
US (1) US5578173A (de)
EP (1) EP0741124B1 (de)
JP (1) JPH08283185A (de)
DE (1) DE69605475T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5672729A (en) * 1995-07-28 1997-09-30 Eastman Kodak Company Recovery of terephthalate diesters from glycol residues
US5672780A (en) * 1995-08-11 1997-09-30 Eastman Kodak Company Purification of ethylene glycol recovered from polyester resins
DE19615886C1 (de) * 1996-04-22 1997-07-31 Huels Chemische Werke Ag Verfahren zur Herstellung von rohem Dimethylterephthalat
DE19638093A1 (de) * 1996-09-18 1998-03-19 Basf Ag Verfahren zur Vermeidung, Entfernung oder Verminderung von Ablagerungen an Apparateteilen bei der Veresterung von Acryl- oder Methacrylsäure
JP4109784B2 (ja) 1999-03-09 2008-07-02 株式会社日本触媒 蒸気分散装置を有する精製装置
DE10300499A1 (de) * 2003-01-08 2003-10-23 Basf Ag Verfahren der rektifikativen Auftrennung von (Meth)acrylmonomere enthaltenden Fluiden
DE10316466A1 (de) * 2003-04-09 2004-10-28 Basf Ag Kühlung und Reinigung von Gasströmen
DE102004013967A1 (de) 2004-03-19 2005-10-06 Basf Ag Kühlung und Reinigung von Gasströmen
JP5236273B2 (ja) * 2007-03-29 2013-07-17 住友化学株式会社 シクロヘキサノンオキシムの回収方法
AU2013338397B2 (en) * 2012-10-29 2017-11-16 Archer Daniels Midland Company Alcohol-mediated esterification of carboxylic acids with carbonates

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646393A (en) * 1952-06-21 1953-07-21 Du Pont Process for the purification of dimethyl terephthalate by distillation
DE954151C (de) * 1954-03-06 1956-12-13 Basf Ag Verfahren zur Reinigung von Terephthalsaeureestern
US2793235A (en) * 1954-09-27 1957-05-21 Du Pont Recovery of glycols from polyester production
DE1040018B (de) * 1956-05-17 1958-10-02 Basf Ag Verfahren zur Wiedergewinnung von Terephthalsaeuredimethylester
NL97771C (nl) * 1958-10-20 1961-04-17 Shell Int Research werkwijze ter bereiding van dialkylesters van tere en isoftaalzuur
DE1098503B (de) * 1959-01-24 1961-02-02 Basf Ag Verfahren zur kontinuierlichen Gewinnung von reinem Terephthalsaeuredimethylester
US2992168A (en) * 1959-07-09 1961-07-11 Eastman Kodak Co Process of purifying dimethyl terephthalate and other compounds which sublime
US3103470A (en) * 1960-01-21 1963-09-10 Eastman Kodak Co process for recovering dry methanol in the manufacture of dymethyl ter-ephthalate
US3399227A (en) * 1963-07-31 1968-08-27 Standard Oil Co Recovery of purified dimethyl terephthalate from mother liquor stripper bottoms
IL23644A (en) * 1964-06-01 1969-12-31 Monsanto Co Process and apparatus for recovery of glycols
US3519054A (en) * 1969-01-06 1970-07-07 Colgate Palmolive Co Process for producing a particulate product
CS154907B1 (de) * 1970-05-12 1974-04-30
DD104973A5 (de) * 1972-09-12 1974-04-05
US4776948A (en) * 1984-01-30 1988-10-11 Williams, Phillips & Umphlett Fractionation method with quench liquid recycle
US4760165A (en) * 1985-11-13 1988-07-26 Teijin Petrochemical Industries, Ltd. Recovering useful components at least containing dimethyl terephthalate from high-boiling byproducts occurring in the production of dimethyl terephthalate
US5051528A (en) * 1990-04-24 1991-09-24 Eastman Kodak Company Recovery process for ethylene glycol and dimethylterephthalate
US5298530A (en) * 1992-11-25 1994-03-29 Eastman Kodak Company Process of recovering components from scrap polyester
US5391263A (en) * 1994-01-26 1995-02-21 E. I. Du Pont De Nemours And Company Process for the separation of glycols from dimethyl terephthalate

Also Published As

Publication number Publication date
EP0741124A2 (de) 1996-11-06
DE69605475D1 (de) 2000-01-13
EP0741124B1 (de) 1999-12-08
EP0741124A3 (de) 1996-12-11
JPH08283185A (ja) 1996-10-29
US5578173A (en) 1996-11-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition