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DE69205485D1 - Verfahren zur Abtrennung von Polyethylenterephthalat von Polyvinylchlorid. - Google Patents

Verfahren zur Abtrennung von Polyethylenterephthalat von Polyvinylchlorid.

Info

Publication number
DE69205485D1
DE69205485D1 DE69205485T DE69205485T DE69205485D1 DE 69205485 D1 DE69205485 D1 DE 69205485D1 DE 69205485 T DE69205485 T DE 69205485T DE 69205485 T DE69205485 T DE 69205485T DE 69205485 D1 DE69205485 D1 DE 69205485D1
Authority
DE
Germany
Prior art keywords
separation
polyethylene terephthalate
polyvinyl chloride
polyvinyl
chloride
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 - Fee Related
Application number
DE69205485T
Other languages
English (en)
Other versions
DE69205485T2 (de
Inventor
Edwin Andrew Sisson
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.)
M&G Polimeri Italia SpA.
Original Assignee
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
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
Priority claimed from US07/697,857 external-priority patent/US5120768A/en
Application filed by SHELL INT RESEARCH, Shell Internationale Research Maatschappij BV filed Critical SHELL INT RESEARCH
Application granted granted Critical
Publication of DE69205485D1 publication Critical patent/DE69205485D1/de
Publication of DE69205485T2 publication Critical patent/DE69205485T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
    • B03B1/04—Conditioning for facilitating separation by altering physical properties of the matter to be treated by additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
    • B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0203—Separating plastics from plastics
    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0217—Mechanical separating techniques; devices therefor
    • B29B2017/0248—Froth flotation, i.e. wherein gas bubbles are attached to suspended particles in an aerated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (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)
DE69205485T 1991-05-09 1992-05-04 Verfahren zur Abtrennung von Polyethylenterephthalat von Polyvinylchlorid. Expired - Fee Related DE69205485T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/697,857 US5120768A (en) 1991-05-09 1991-05-09 Process for separating polyethylene terephthalate from polyvinyl chloride
US07/805,172 US5252614A (en) 1991-05-09 1991-12-11 Process for separating polyethylene terephthalate from polyvinyl chloride

Publications (2)

Publication Number Publication Date
DE69205485D1 true DE69205485D1 (de) 1995-11-23
DE69205485T2 DE69205485T2 (de) 1996-05-02

Family

ID=27106095

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69205485T Expired - Fee Related DE69205485T2 (de) 1991-05-09 1992-05-04 Verfahren zur Abtrennung von Polyethylenterephthalat von Polyvinylchlorid.

Country Status (5)

Country Link
US (1) US5252614A (de)
EP (1) EP0512464B1 (de)
CA (1) CA2061451C (de)
DE (1) DE69205485T2 (de)
ES (1) ES2078580T3 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2073951C (en) * 1991-08-02 1996-12-03 Jiann-Yang Hwang Separation of normally hydrophobic plastic materials by froth flotation
US5448074A (en) * 1993-11-22 1995-09-05 Seagro, Jr.; Thomas R. Color region analyzer for detecting and separating polyvinyl chloride from polyethylene terephthalate
US5462973A (en) 1994-07-13 1995-10-31 Hoechst Celanese Corporation Separation of polyethylene terephthalate and polyvinyl chloride using supercritical carbon dioxide
US5551755A (en) * 1994-08-12 1996-09-03 Prince Corporation Padded article
BE1008794A3 (fr) * 1994-10-27 1996-08-06 Solvay Procede de separation de materiaux.
US5824196A (en) * 1996-04-08 1998-10-20 Plastic Technologies, Inc. Decontamination of RPET by steam distillation
US5840772A (en) * 1996-09-18 1998-11-24 Ppg Industries, Inc. Methods of recycling and compositions used therein
DE19741323C2 (de) * 1997-09-19 2000-03-09 Daimler Chrysler Ag Verfahren zum sortenreinen Trennen von Kunststoffpartikeln aus einem Partikelgemisch unterschiedlicher Kunststoffe durch Flotation sowie Vorrichtung zur Durchführung des Verfahrens
WO2001083112A1 (en) 2000-05-02 2001-11-08 Plastic Technologies, Inc. Improved decontamination of rpet through particle size reduction
US6938439B2 (en) * 2003-05-22 2005-09-06 Cool Clean Technologies, Inc. System for use of land fills and recyclable materials
US20070228600A1 (en) * 2005-04-01 2007-10-04 Bohnert George W Method of making containers from recycled plastic resin
US7253253B2 (en) * 2005-04-01 2007-08-07 Honeywell Federal Manufacturing & Technology, Llc Method of removing contaminants from plastic resins
US20100236580A1 (en) * 2007-05-15 2010-09-23 Delaurentiis Gary M METHOD AND SYSTEM FOR REMOVING PCBs FROM SYNTHETIC RESIN MATERIALS
WO2009076576A2 (en) * 2007-12-12 2009-06-18 Eco2 Plastics Continuous system for processing particles
EP2194089A1 (de) * 2008-12-05 2010-06-09 Macdermid Italiana S.R.L. Additiv zur Verbesserung der Trennung von Polyethylenterephthalat und Polyethylen
ES2398079B2 (es) * 2011-08-30 2014-02-26 Sulayr Global Service Sl Procedimiento para la obtención de rpet (polietilen tereftalato recuperado) a partir de láminas complejas adhesivas con poliuretanos
CH719619A1 (de) * 2022-04-22 2023-10-31 Alpla Werke Alwin Lehner Gmbh & Co Kg Verfahren zum Recycling von Polyester-Behältern.
JP2024139693A (ja) * 2023-03-27 2024-10-09 株式会社カネカ 繊維の分離方法およびモダクリル繊維、塩化ビニル系繊維およびポリエステル系繊維の製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703488A (en) * 1968-03-22 1972-11-21 Goodyear Tire & Rubber Process for reuse of polyester resin
FR2218353B1 (de) * 1973-02-19 1977-09-16 Mitsui Mining & Smelting Co
JPS5620169B2 (de) * 1973-05-18 1981-05-12
JPS5032270A (de) * 1973-07-21 1975-03-28
GB1444831A (en) * 1973-12-08 1976-08-04 Mitsui Mining & Smelting Co Method for separation of a mixture of a polyester and a cellulose derivative
US4040949A (en) * 1973-12-08 1977-08-09 Mitsui Mining & Smelting Co., Ltd. Method for separation of mixture of polyester and cellulose derivative
GB1473274A (en) * 1974-03-14 1977-05-11 Mitsui Mining & Smelting Co Method for separating a mixture of plastics
GB1472039A (en) * 1974-03-25 1977-04-27 Mitsui Mining & Smelting Co Method for separating a plastics-containing mixture
JPS5120158A (en) * 1974-08-09 1976-02-18 Mitsui Mining & Smelting Co Kongobutsuno shoriho
US4617111A (en) * 1985-07-26 1986-10-14 Plastic Recycling Foundation, Inc. Method for the separation of a mixture of polyvinyl chloride and polyethylene terephtalate
US4629780A (en) * 1985-09-16 1986-12-16 Schoenhard James D Polymer layer recovery from a multilayered chip material
US5120768A (en) * 1991-05-09 1992-06-09 The Goodyear Tire & Rubber Company Process for separating polyethylene terephthalate from polyvinyl chloride

Also Published As

Publication number Publication date
ES2078580T3 (es) 1995-12-16
EP0512464B1 (de) 1995-10-18
DE69205485T2 (de) 1996-05-02
US5252614A (en) 1993-10-12
CA2061451C (en) 2002-07-16
EP0512464A1 (de) 1992-11-11
CA2061451A1 (en) 1992-11-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: M&G POLIMERI ITALIA S.P.A., PATRICA, FROSINONE, IT

8339 Ceased/non-payment of the annual fee