DE102019135578A1 - Verfahren, Vorrichtung und Verwendung zur Wiederaufarbeitung - Google Patents

Verfahren, Vorrichtung und Verwendung zur Wiederaufarbeitung Download PDF

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Publication number
DE102019135578A1
DE102019135578A1 DE102019135578.8A DE102019135578A DE102019135578A1 DE 102019135578 A1 DE102019135578 A1 DE 102019135578A1 DE 102019135578 A DE102019135578 A DE 102019135578A DE 102019135578 A1 DE102019135578 A1 DE 102019135578A1
Authority
DE
Germany
Prior art keywords
reaction mixture
depolymerization
extruder
solvent
pet
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Withdrawn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
DE102019135578.8A
Other languages
German (de)
English (en)
Inventor
Lars Biermann
Carsten Eichert
Esther Brepohl
Stephan Scholl
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.)
Rittec Umwelttechnik GmbH
Original Assignee
Rittec Umwelttechnik GmbH
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 Rittec Umwelttechnik GmbH filed Critical Rittec Umwelttechnik GmbH
Priority to DE102019135578.8A priority Critical patent/DE102019135578A1/de
Priority to PCT/EP2020/079370 priority patent/WO2021121731A1/fr
Priority to EP20793353.2A priority patent/EP4055089A1/fr
Priority to TW109144356A priority patent/TWI774158B/zh
Publication of DE102019135578A1 publication Critical patent/DE102019135578A1/de
Withdrawn legal-status Critical Current

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/002—Methods
    • B29B7/007—Methods for continuous mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/66—Recycling the 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

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Paper (AREA)
DE102019135578.8A 2019-12-20 2019-12-20 Verfahren, Vorrichtung und Verwendung zur Wiederaufarbeitung Withdrawn DE102019135578A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE102019135578.8A DE102019135578A1 (de) 2019-12-20 2019-12-20 Verfahren, Vorrichtung und Verwendung zur Wiederaufarbeitung
PCT/EP2020/079370 WO2021121731A1 (fr) 2019-12-20 2020-10-19 Procédé, dispositif et utilisation pour le retraitement de poly (téréphtalate d'alkylène)
EP20793353.2A EP4055089A1 (fr) 2019-12-20 2020-10-19 Procédé, dispositif et utilisation pour le retraitement de poly (téréphtalate d'alkylène)
TW109144356A TWI774158B (zh) 2019-12-20 2020-12-16 用於再處理的方法、裝置和用途

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019135578.8A DE102019135578A1 (de) 2019-12-20 2019-12-20 Verfahren, Vorrichtung und Verwendung zur Wiederaufarbeitung

Publications (1)

Publication Number Publication Date
DE102019135578A1 true DE102019135578A1 (de) 2021-06-24

Family

ID=72944161

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102019135578.8A Withdrawn DE102019135578A1 (de) 2019-12-20 2019-12-20 Verfahren, Vorrichtung und Verwendung zur Wiederaufarbeitung

Country Status (4)

Country Link
EP (1) EP4055089A1 (fr)
DE (1) DE102019135578A1 (fr)
TW (1) TWI774158B (fr)
WO (1) WO2021121731A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5395858A (en) * 1994-04-28 1995-03-07 Partek, Inc. Process for recycling polyester
DE69202477T2 (de) * 1991-01-30 1995-10-05 Benzaria Jacques Raphael Verfahren zur Herstellung von hochreinem Alkalimetall- oder Erdalkalimetallterephthalat oder von Terephthalsäure aus dem Polyolterephthalat, insbesondere aus dem Ethylenglykolpolyterephthalatabfall.
DE69316545T2 (de) * 1992-11-09 1998-07-16 Inst Francais Du Petrole Verfahren zur Rückgewinnung von Alkalimetall- oder Erdalkalimetallterephthalat und Alkylenglykol aus Alkylenpolyterephthalaten
DE10032900A1 (de) * 2000-07-06 2002-01-24 B & B Anlagenbau Gmbh Verfahren zum Aufbereiten von PET-Behältnissen mit einer alkalischen Hydrolyse
US6657077B1 (en) * 1998-01-30 2003-12-02 Tredi Method for producing a purified alkaline metal terephthalate, derived from the products of saponification of polyterephthalates
EP1409575B1 (fr) * 2001-06-19 2011-02-02 United Resource Recovery Corporation Procede relatif a la separation de polyester a partir d'autres materiaux

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1061772B (de) 1957-02-08 1959-07-23 Rhodiaceta Verfahren zur Herstellung von Terephthalsaeure durch Abbau von Polymethylenterephthalaten
US3544622A (en) 1965-03-10 1970-12-01 Du Pont Alkaline saponification of polyethylene terephthalate at high temperatures using controlled amount of sodium hydroxide
US3952053A (en) 1974-02-26 1976-04-20 Safetech, Inc. Method for recovering terephthalic acid and ethylene glycol from polyester materials
US4355175A (en) 1981-04-06 1982-10-19 Pusztaszeri Stephen F Method for recovery of terephthalic acid from polyester scrap
US4542239A (en) 1981-11-18 1985-09-17 Board Of Control Of Michigan Technological University Process for recovering terephthalic acid from waste polyethylene terephthalate
US4578502A (en) 1985-01-22 1986-03-25 Cudmore Warner J G Polyethylene terephthalate saponification process
WO1997024310A1 (fr) 1995-12-30 1997-07-10 Sunkyong Industries Co., Ltd. Procede pour fabriquer de l'acide terephtalique
KR100488985B1 (ko) 1997-12-02 2005-05-11 하인리히 스무다 폴리에틸렌테레프탈레이트 폐기물로부터 테레프탈산 및 에틸렌글리콜을 회수하는 방법
US6610392B1 (en) 1998-03-04 2003-08-26 Cryovac, Inc. Heat-shrinkable multilayer packaging film comprising inner layer comprising a polyester
DE59911142D1 (de) 1999-03-18 2004-12-30 Amcor Flexibles Schuepbach Ag Sperrschichtfolien
JP3808672B2 (ja) * 1999-11-26 2006-08-16 東洋製罐株式会社 回収ポリエチレンテレフタレート粉砕品からのテレフタル酸の工業的回収方法
US6720448B2 (en) 2000-10-11 2004-04-13 Massimo Broccatelli Method of recovering chemical species by depolymerization of poly (ethylene terephthalate) and related use
DE10207591A1 (de) 2002-02-22 2003-09-04 Kuraray Specialities Europe Verfahren zum Recycling von beschichteten Kunststoff-Formkörpern
BR0202303C1 (pt) 2002-06-07 2004-06-08 Anderson Cr Massura Processo para separação de filmes multicamada utilizados para embalagens
US9174408B2 (en) 2010-03-15 2015-11-03 Winpak Portion Packaging Multilayered packaging material
US8969638B2 (en) * 2010-11-02 2015-03-03 Fina Technology, Inc. Depolymerizatin of plastic materials
ITMI20111411A1 (it) 2011-07-27 2013-01-28 Maurizio Crippa Metodo ed apparato per il riciclaggio mediante depolimerizzazione di materiali polimerici
US9550713B1 (en) 2015-07-09 2017-01-24 Loop Industries, Inc. Polyethylene terephthalate depolymerization
DE102018122210B4 (de) * 2018-09-12 2023-06-29 Rittec Umwelttechnik Gmbh Verfahren und Verwendung einer Vorrichtung zur Wiederaufarbeitung von Polyalkylenterephthalat enthaltenden Abfällen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69202477T2 (de) * 1991-01-30 1995-10-05 Benzaria Jacques Raphael Verfahren zur Herstellung von hochreinem Alkalimetall- oder Erdalkalimetallterephthalat oder von Terephthalsäure aus dem Polyolterephthalat, insbesondere aus dem Ethylenglykolpolyterephthalatabfall.
DE69316545T2 (de) * 1992-11-09 1998-07-16 Inst Francais Du Petrole Verfahren zur Rückgewinnung von Alkalimetall- oder Erdalkalimetallterephthalat und Alkylenglykol aus Alkylenpolyterephthalaten
US5395858A (en) * 1994-04-28 1995-03-07 Partek, Inc. Process for recycling polyester
US6657077B1 (en) * 1998-01-30 2003-12-02 Tredi Method for producing a purified alkaline metal terephthalate, derived from the products of saponification of polyterephthalates
DE10032900A1 (de) * 2000-07-06 2002-01-24 B & B Anlagenbau Gmbh Verfahren zum Aufbereiten von PET-Behältnissen mit einer alkalischen Hydrolyse
EP1409575B1 (fr) * 2001-06-19 2011-02-02 United Resource Recovery Corporation Procede relatif a la separation de polyester a partir d'autres materiaux

Also Published As

Publication number Publication date
WO2021121731A1 (fr) 2021-06-24
TW202126610A (zh) 2021-07-16
EP4055089A1 (fr) 2022-09-14
TWI774158B (zh) 2022-08-11

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Representative=s name: MICHALSKI HUETTERMANN & PARTNER PATENTANWAELTE, DE

R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee
R002 Refusal decision in examination/registration proceedings