FR2449073A1 - Procede de recuperation de methanol et de glycol a partir de residus issus de la fabrication du polyterephtalate d'ethyleneglycol et de ses intermediaires - Google Patents

Procede de recuperation de methanol et de glycol a partir de residus issus de la fabrication du polyterephtalate d'ethyleneglycol et de ses intermediaires

Info

Publication number
FR2449073A1
FR2449073A1 FR7904500A FR7904500A FR2449073A1 FR 2449073 A1 FR2449073 A1 FR 2449073A1 FR 7904500 A FR7904500 A FR 7904500A FR 7904500 A FR7904500 A FR 7904500A FR 2449073 A1 FR2449073 A1 FR 2449073A1
Authority
FR
France
Prior art keywords
residues
prodn
methanol
glycol
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.)
Withdrawn
Application number
FR7904500A
Other languages
English (en)
Inventor
Jacques Delattre
Roland Raynaud
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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries SA
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 Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA
Priority to FR7904500A priority Critical patent/FR2449073A1/fr
Priority to DE3005444A priority patent/DE3005444C2/de
Publication of FR2449073A1 publication Critical patent/FR2449073A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

L'OBJET DE L'INVENTION EST CONSTITUE PAR UN PROCEDE DE VALORISATION DE RESIDUS PROVENANT DE LA FABRICATION DE POLYTEREPHTALATE D'ETHYLENEGLYCOL ET DE SES INTERMEDIAIRES. SELON L'INVENTION ON MELANGE ET CHAUFFE DES RESIDUS ISSUS DU PROCEDE KATZSCHMANN (OBTENUS APRES OXYDATION SIMULTANEE A L'AIR ET EN PHASE LIQUIDE DU P-XYLENE ET DU P-TOLUATE DE METHYLE, ESTERIFICATION ET SEPARATION DES ESTERS FORMES) ET DES RESIDUS DU TYPE DE CEUX OBTENUS A PARTIR D'ETHYLENEGLYCOL USE (ISSUS DES PROCEDES D'OBTENTION DU POLYTEREPHTALATE D'ETHYLENEGLYCOL). LE PROCEDE PERMET DE RECUPERER DU METHANOL ET DU GLYCOL.
FR7904500A 1979-02-16 1979-02-16 Procede de recuperation de methanol et de glycol a partir de residus issus de la fabrication du polyterephtalate d'ethyleneglycol et de ses intermediaires Withdrawn FR2449073A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7904500A FR2449073A1 (fr) 1979-02-16 1979-02-16 Procede de recuperation de methanol et de glycol a partir de residus issus de la fabrication du polyterephtalate d'ethyleneglycol et de ses intermediaires
DE3005444A DE3005444C2 (de) 1979-02-16 1980-02-14 Verfahren zur Wiedergewinnung von Methanol und Glykol aus den Rückständen der Herstellung von Polyethylenglykolterephthalat und dessen Zwischenprodukten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7904500A FR2449073A1 (fr) 1979-02-16 1979-02-16 Procede de recuperation de methanol et de glycol a partir de residus issus de la fabrication du polyterephtalate d'ethyleneglycol et de ses intermediaires

Publications (1)

Publication Number Publication Date
FR2449073A1 true FR2449073A1 (fr) 1980-09-12

Family

ID=9222306

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7904500A Withdrawn FR2449073A1 (fr) 1979-02-16 1979-02-16 Procede de recuperation de methanol et de glycol a partir de residus issus de la fabrication du polyterephtalate d'ethyleneglycol et de ses intermediaires

Country Status (2)

Country Link
DE (1) DE3005444C2 (fr)
FR (1) FR2449073A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046983A1 (fr) * 1980-09-02 1982-03-10 Ube Industries, Ltd. Procédé de préparation continue d'éthylène-glycol

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1151312A (fr) * 1955-06-08 1958-01-29 Ici Ltd Purification des glycols
FR1201539A (fr) * 1957-05-29 1959-12-30 Chemische Werke Witten Gmbh Procédé pour la valorisation de déchets de polyester
US3159553A (en) * 1961-04-27 1964-12-01 California Research Corp Method of separating methanol from a mixture thereof with water, xylene, and esters
US3367847A (en) * 1966-02-01 1968-02-06 Du Pont Purification of ethylene glycol containing salts of terephthalic acid by plural distiallation
FR2116056A5 (fr) * 1970-11-26 1972-07-07 Sir Soc Italiana Resine Spa
CH547765A (de) * 1971-02-19 1974-04-11 Luwa Ag Verfahren und vorrichtung zur reinigung von verunreinigtem glykol.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2010137C3 (de) * 1970-03-04 1979-07-05 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsauredimethylester

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1151312A (fr) * 1955-06-08 1958-01-29 Ici Ltd Purification des glycols
FR1201539A (fr) * 1957-05-29 1959-12-30 Chemische Werke Witten Gmbh Procédé pour la valorisation de déchets de polyester
US3159553A (en) * 1961-04-27 1964-12-01 California Research Corp Method of separating methanol from a mixture thereof with water, xylene, and esters
US3367847A (en) * 1966-02-01 1968-02-06 Du Pont Purification of ethylene glycol containing salts of terephthalic acid by plural distiallation
FR2116056A5 (fr) * 1970-11-26 1972-07-07 Sir Soc Italiana Resine Spa
CH547765A (de) * 1971-02-19 1974-04-11 Luwa Ag Verfahren und vorrichtung zur reinigung von verunreinigtem glykol.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CA1971 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046983A1 (fr) * 1980-09-02 1982-03-10 Ube Industries, Ltd. Procédé de préparation continue d'éthylène-glycol

Also Published As

Publication number Publication date
DE3005444C2 (de) 1982-06-03
DE3005444A1 (de) 1980-08-21

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Legal Events

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