ES2078580T3 - Procedimiento para separar poli(tereftalato de etileno) de poli(cloruro de vinilo). - Google Patents

Procedimiento para separar poli(tereftalato de etileno) de poli(cloruro de vinilo).

Info

Publication number
ES2078580T3
ES2078580T3 ES92107521T ES92107521T ES2078580T3 ES 2078580 T3 ES2078580 T3 ES 2078580T3 ES 92107521 T ES92107521 T ES 92107521T ES 92107521 T ES92107521 T ES 92107521T ES 2078580 T3 ES2078580 T3 ES 2078580T3
Authority
ES
Spain
Prior art keywords
flakes
polyvinyl chloride
poly
treated
aqueous mixture
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
ES92107521T
Other languages
English (en)
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
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 Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Application granted granted Critical
Publication of ES2078580T3 publication Critical patent/ES2078580T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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)

Abstract

EL PROCESO COMPRENDE: 1) EL TRATAMIENTO DE UNA CORRIENTE DE RECICLAJE CON A) AL MENOS UNA BASE INORGANICA Y B) AL MENOS UN SURFACTANTE NO IONICO BAJO CONDICIONES Y DURANTE UN TIEMPO SUFICIENTE PARA HACER DECRECER EL ANGULO DE CONTACTO DE LAS ESCAMAS DE TEREFTALATO DE POLIETILENO CON EL AGUA POR DEBAJO DE UN VALOR DE 25 (GRADOS) MIENTRAS SE MANTIENE EL ANGULO DE CONTACTO DE LAS ESCAMAS DE CLORURO DE POLIVINIL SOBRE UN VALOR DE ALREDEDOR DE 45 (GRADOS) ; 2) LA ADICION DE LA CORRIENTE DE RECICLAJE TRATADA A AGUA, PARA FORMAR UNA MEZCLA ACUOSA QUE CONTENGA LAS ESCAMAS DE TEREFTALATO DE POLIETILENO TRATADAS Y LAS ESCAMAS DE CLORURO DE POLIVINIL TRATADAS; 3) LA AGITACION DE LA MEZCLA ACUOSA PARA PERMITIR QUE LAS ESCAMAS DE CLORURO DE POLIVINIL SE PONGAN EN CONTACTO CON BURBUJAS DE GAS; 4) PERMITIR QUE LAS ESCAMAS DE CLORURO DE POLIVINIL FLOTEN Y LAS ESCAMAS DE TEREFTALATO DE POLIETILENO SE HUNDAN; Y 5) SEPARAR LAS ESCAMAS DE CLORURO DE POLIVINIL DE LAS SUPERFICIE DE LA MEZCLA ACUOSA Y SEPARAR LASESCAMAS DE TEREFTALATO DE POLIETILENO DEL FONDO DE LA MEZCLA ACUOSA.
ES92107521T 1991-05-09 1992-05-04 Procedimiento para separar poli(tereftalato de etileno) de poli(cloruro de vinilo). Expired - Lifetime ES2078580T3 (es)

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 (1)

Publication Number Publication Date
ES2078580T3 true ES2078580T3 (es) 1995-12-16

Family

ID=27106095

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92107521T Expired - Lifetime ES2078580T3 (es) 1991-05-09 1992-05-04 Procedimiento para separar poli(tereftalato de etileno) de poli(cloruro de vinilo).

Country Status (5)

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

Families Citing this family (17)

* 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
US7253253B2 (en) * 2005-04-01 2007-08-07 Honeywell Federal Manufacturing & Technology, Llc Method of removing contaminants from plastic resins
US20070228600A1 (en) * 2005-04-01 2007-10-04 Bohnert George W Method of making containers from recycled plastic resin
WO2008143839A1 (en) * 2007-05-15 2008-11-27 Eco2 Plastics 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 (en) * 2008-12-05 2010-06-09 Macdermid Italiana S.R.L. Additive for improving the separation of polyethlene terephtalate and polyethylene
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.

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
JPS5620169B2 (es) * 1973-05-18 1981-05-12
FR2218353B1 (es) * 1973-02-19 1977-09-16 Mitsui Mining & Smelting Co
JPS5032270A (es) * 1973-07-21 1975-03-28
US4040949A (en) * 1973-12-08 1977-08-09 Mitsui Mining & Smelting Co., Ltd. Method for separation of mixture of polyester and cellulose derivative
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
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
CA2061451A1 (en) 1992-11-10
EP0512464B1 (en) 1995-10-18
US5252614A (en) 1993-10-12
CA2061451C (en) 2002-07-16
EP0512464A1 (en) 1992-11-11
DE69205485D1 (de) 1995-11-23
DE69205485T2 (de) 1996-05-02

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