PL331177A1 - Method of obtaining terephtalic acid and ethylene glycol in particular from poly(ethyl terephtalate) wastes and plant therefor - Google Patents

Method of obtaining terephtalic acid and ethylene glycol in particular from poly(ethyl terephtalate) wastes and plant therefor

Info

Publication number
PL331177A1
PL331177A1 PL97331177A PL33117797A PL331177A1 PL 331177 A1 PL331177 A1 PL 331177A1 PL 97331177 A PL97331177 A PL 97331177A PL 33117797 A PL33117797 A PL 33117797A PL 331177 A1 PL331177 A1 PL 331177A1
Authority
PL
Poland
Prior art keywords
ethylene glycol
wastes
poly
obtaining
terephtalate
Prior art date
Application number
PL97331177A
Other languages
English (en)
Inventor
Heinrich Smuda
Original Assignee
Heinrich Smuda
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 Heinrich Smuda filed Critical Heinrich Smuda
Publication of PL331177A1 publication Critical patent/PL331177A1/xx

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
    • C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
    • C07C29/095—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of organic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
PL97331177A 1996-07-19 1997-07-08 Method of obtaining terephtalic acid and ethylene glycol in particular from poly(ethyl terephtalate) wastes and plant therefor PL331177A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19629042A DE19629042C2 (de) 1996-07-19 1996-07-19 Verfahren zur Gewinnung von Terephthalsäure und Ethylenglykol, insbesondere aus Polyethylenterephthalat-Abfällen und Vorrichtung zur Durchführung des Verfahrens

Publications (1)

Publication Number Publication Date
PL331177A1 true PL331177A1 (en) 1999-06-21

Family

ID=7800207

Family Applications (1)

Application Number Title Priority Date Filing Date
PL97331177A PL331177A1 (en) 1996-07-19 1997-07-08 Method of obtaining terephtalic acid and ethylene glycol in particular from poly(ethyl terephtalate) wastes and plant therefor

Country Status (4)

Country Link
AU (1) AU3186697A (xx)
DE (1) DE19629042C2 (xx)
PL (1) PL331177A1 (xx)
WO (1) WO1998003459A1 (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016153368A1 (en) 2015-03-20 2016-09-29 RS PET Społka z o.o. Installation for continuous treatment of polyethylene terephthalate pet waste

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19641743B4 (de) 1996-10-10 2004-04-01 Cet-Umwelttechnik-Entwicklungsgesellchaft Mbh Verfahren zur Gewinnung von flüssigen Brennstoffen aus Polyolefine-Abfällen
EP1134211B1 (en) * 2000-02-29 2002-12-18 Massimo Broccatelli Method of recovering chemical species by depolymerization of poly(ethylene terephthalate) and related use
EP1138663B1 (en) 2000-02-29 2002-10-16 Massimo Broccatelli Method for recovery of terephthalic acid from a material containing poly(ethylene terephthalates)
DE10032900C2 (de) * 2000-07-06 2002-11-21 B & B Anlagenbau Gmbh Verfahren zum Aufbereiten von PET-Behältnissen mit einer alkalischen Hydrolyse
US6720448B2 (en) 2000-10-11 2004-04-13 Massimo Broccatelli Method of recovering chemical species by depolymerization of poly (ethylene terephthalate) and related use
WO2005003217A1 (en) * 2003-07-07 2005-01-13 Roman Sierzant Method and plant for the recovery of terephthalic acid and ethylene glycol from polyethylene terephthalate wastes
US9550713B1 (en) 2015-07-09 2017-01-24 Loop Industries, Inc. Polyethylene terephthalate depolymerization
US10252976B1 (en) 2017-09-15 2019-04-09 9449710 Canada Inc. Terephthalic acid esters formation
PL239189B1 (pl) * 2017-12-04 2021-11-15 Rs Pet Spolka Z Ograniczona Odpowiedzialnoscia Sposób recyklingu odpadów PET z odzyskaniem z nich kwasu tereftalowego oraz glikolu etylenowego
PE20210858A1 (es) 2018-06-25 2021-05-18 9449710 Canada Inc Formacion de esteres de acido tereftalico
US11248103B2 (en) 2019-03-20 2022-02-15 9449710 Canada Inc. Process for the depolymerization of polyethylene terephthalate (PET)
GB2612252A (en) * 2020-08-10 2023-04-26 Auriga Polymers Inc Process for purification of recovered glycol from chemical recycling of waste polyester

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953502A (en) * 1973-01-31 1976-04-27 Imperial Chemical Industries Limited Cyclopentane derivatives
US4542239A (en) * 1981-11-18 1985-09-17 Board Of Control Of Michigan Technological University Process for recovering terephthalic acid from waste polyethylene terephthalate
CA2173987A1 (en) * 1993-10-14 1995-04-20 Kevin Louis Rollick Process for recovering dicarboxylic acid with reduced impurities from polyester polymer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016153368A1 (en) 2015-03-20 2016-09-29 RS PET Społka z o.o. Installation for continuous treatment of polyethylene terephthalate pet waste

Also Published As

Publication number Publication date
DE19629042A1 (de) 1998-01-22
WO1998003459A1 (en) 1998-01-29
DE19629042C2 (de) 1999-02-25
AU3186697A (en) 1998-02-10

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Legal Events

Date Code Title Description
DISC Decisions on discontinuance of the proceedings (taken after the publication of the particulars of the applications)