ES2094021T3 - Procedimiento para la recuperacion de etilenglicol a partir de la produccion de tereftalato de polietileno. - Google Patents

Procedimiento para la recuperacion de etilenglicol a partir de la produccion de tereftalato de polietileno.

Info

Publication number
ES2094021T3
ES2094021T3 ES94200128T ES94200128T ES2094021T3 ES 2094021 T3 ES2094021 T3 ES 2094021T3 ES 94200128 T ES94200128 T ES 94200128T ES 94200128 T ES94200128 T ES 94200128T ES 2094021 T3 ES2094021 T3 ES 2094021T3
Authority
ES
Spain
Prior art keywords
production
ethylene glycol
recovery
procedure
waste
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
ES94200128T
Other languages
English (en)
Inventor
Socrate Contessa
Riccardo Tesser
Salvatore Barrella
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.)
Montefibre SpA
Original Assignee
Montefibre SpA
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 Montefibre SpA filed Critical Montefibre SpA
Application granted granted Critical
Publication of ES2094021T3 publication Critical patent/ES2094021T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

SE PRESENTA UN PROCESO PARA RECUPERAR LOS RESIDUOS DEL FONDO DE LA COLUMNA PRODUCIDOS POR LA DESTILACION DEL GLICOL DE ETILENO RESULTANTE DE UN PROCESO DE PRODUCCION DE POLIESTER AROMATICO, QUE CONSISTE EN EL TRATAMIENTO DE DICHOS RESIDUOS CON ESTER DE MONOALQUILO AROMATICO Y LA DESTILACION DEL PRODUCTO DE REACCION.
ES94200128T 1993-02-05 1994-01-19 Procedimiento para la recuperacion de etilenglicol a partir de la produccion de tereftalato de polietileno. Expired - Lifetime ES2094021T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI930198A IT1263158B (it) 1993-02-05 1993-02-05 Processo per il recupero di residui di fondo colonna prodotti dalla distillazione frazionata del glicole etilenico

Publications (1)

Publication Number Publication Date
ES2094021T3 true ES2094021T3 (es) 1997-01-01

Family

ID=11364881

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94200128T Expired - Lifetime ES2094021T3 (es) 1993-02-05 1994-01-19 Procedimiento para la recuperacion de etilenglicol a partir de la produccion de tereftalato de polietileno.

Country Status (7)

Country Link
US (1) US5423953A (es)
EP (1) EP0609931B1 (es)
AT (1) ATE144491T1 (es)
DE (1) DE69400759T2 (es)
ES (1) ES2094021T3 (es)
IT (1) IT1263158B (es)
TR (1) TR28845A (es)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2793235A (en) * 1954-09-27 1957-05-21 Du Pont Recovery of glycols from polyester production
NL299082A (es) * 1962-10-18
US3367847A (en) * 1966-02-01 1968-02-06 Du Pont Purification of ethylene glycol containing salts of terephthalic acid by plural distiallation
JPS5415812A (en) * 1977-07-04 1979-02-06 Kubota Ltd Takinggout device for seeding equipment on seeder
US4732653A (en) * 1985-10-07 1988-03-22 Lloyd Berg Separation of ethanol from t-butanol by extractive distillation

Also Published As

Publication number Publication date
EP0609931B1 (en) 1996-10-23
ITMI930198A1 (it) 1994-08-05
IT1263158B (it) 1996-08-01
EP0609931A1 (en) 1994-08-10
ITMI930198A0 (it) 1993-02-05
DE69400759D1 (de) 1996-11-28
DE69400759T2 (de) 1997-04-10
ATE144491T1 (de) 1996-11-15
TR28845A (tr) 1997-07-17
US5423953A (en) 1995-06-13

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