ATE144491T1 - Verfahren zur rückgewinnung von ethylenglykol aus polyethylenterephthalatherstellung - Google Patents

Verfahren zur rückgewinnung von ethylenglykol aus polyethylenterephthalatherstellung

Info

Publication number: ATE144491T1
Authority: AT; Austria
Prior art keywords: ethylene glycol; polyethylene terephthalate; recovering ethylene; terephthalate production; recovering
Prior art date: 1993-02-05

Application number

AT94200128T

Other languages

English (en)

Inventor

Socrate Contessa

Riccardo Tesser

Salvatore Barrella

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.)

1993-02-05

Filing date

1994-01-19

Publication date

1996-11-15

1994-01-19 Application filed by Montefibre Spa filed Critical Montefibre Spa

1996-11-15 Application granted granted Critical

1996-11-15 Publication of ATE144491T1 publication Critical patent/ATE144491T1/de

Links

LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 title abstract 6
238000004519 manufacturing process Methods 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
-1 POLYETHYLENE TEREPHTHALATE Polymers 0.000 title 1
229920000139 polyethylene terephthalate Polymers 0.000 title 1
239000005020 polyethylene terephthalate Substances 0.000 title 1
125000003118 aryl group Chemical group 0.000 abstract 2
239000007795 chemical reaction product Substances 0.000 abstract 1
238000004821 distillation Methods 0.000 abstract 1
229920000728 polyester Polymers 0.000 abstract 1

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)

AT94200128T 1993-02-05 1994-01-19 Verfahren zur rückgewinnung von ethylenglykol aus polyethylenterephthalatherstellung ATE144491T1 (de)

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
ATE144491T1 true ATE144491T1 (de)	1996-11-15

Family

ID=11364881

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT94200128T ATE144491T1 (de)	1993-02-05	1994-01-19	Verfahren zur rückgewinnung von ethylenglykol aus polyethylenterephthalatherstellung

Country Status (7)

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

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 (de) *	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

1993
- 1993-02-05 IT ITMI930198A patent/IT1263158B/it active IP Right Grant
1994
- 1994-01-19 ES ES94200128T patent/ES2094021T3/es not_active Expired - Lifetime
- 1994-01-19 EP EP94200128A patent/EP0609931B1/de not_active Expired - Lifetime
- 1994-01-19 AT AT94200128T patent/ATE144491T1/de active
- 1994-01-19 DE DE69400759T patent/DE69400759T2/de not_active Expired - Fee Related
- 1994-01-27 TR TR00083/94A patent/TR28845A/xx unknown
- 1994-01-27 US US08/188,207 patent/US5423953A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0609931A1 (de)	1994-08-10
ITMI930198A0 (it)	1993-02-05
ES2094021T3 (es)	1997-01-01
DE69400759D1 (de)	1996-11-28
IT1263158B (it)	1996-08-01
EP0609931B1 (de)	1996-10-23
TR28845A (tr)	1997-07-17
DE69400759T2 (de)	1997-04-10
US5423953A (en)	1995-06-13
ITMI930198A1 (it)	1994-08-05

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