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GB2560726B - Dissolution process - Google Patents

Dissolution process Download PDF

Info

Publication number
GB2560726B
GB2560726B GB1704499.1A GB201704499A GB2560726B GB 2560726 B GB2560726 B GB 2560726B GB 201704499 A GB201704499 A GB 201704499A GB 2560726 B GB2560726 B GB 2560726B
Authority
GB
United Kingdom
Prior art keywords
dissolution process
dissolution
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.)
Active
Application number
GB1704499.1A
Other versions
GB2560726A (en
GB201704499D0 (en
Inventor
Walker Adam
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.)
Worn Again Tech Ltd
Original Assignee
Worn Again Tech Ltd
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 Worn Again Tech Ltd filed Critical Worn Again Tech Ltd
Priority to GB1704499.1A priority Critical patent/GB2560726B/en
Publication of GB201704499D0 publication Critical patent/GB201704499D0/en
Publication of GB2560726A publication Critical patent/GB2560726A/en
Application granted granted Critical
Publication of GB2560726B publication Critical patent/GB2560726B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0288—Applications, solvents
    • 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
    • C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/028—Flow sheets
    • B01D11/0284—Multistage extraction
    • 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
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0203—Solvent extraction of solids with a supercritical fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0253—Fluidised bed of solid materials
    • B01D11/0257—Fluidised bed of solid materials using mixing mechanisms, e.g. stirrers, jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0292—Treatment of the solvent
    • 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
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/02—Cellulose; Modified cellulose
    • 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
    • C08J2367/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
GB1704499.1A 2017-03-22 2017-03-22 Dissolution process Active GB2560726B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1704499.1A GB2560726B (en) 2017-03-22 2017-03-22 Dissolution process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1704499.1A GB2560726B (en) 2017-03-22 2017-03-22 Dissolution process

Publications (3)

Publication Number Publication Date
GB201704499D0 GB201704499D0 (en) 2017-05-03
GB2560726A GB2560726A (en) 2018-09-26
GB2560726B true GB2560726B (en) 2022-12-21

Family

ID=58688419

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1704499.1A Active GB2560726B (en) 2017-03-22 2017-03-22 Dissolution process

Country Status (1)

Country Link
GB (1) GB2560726B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240226841A9 (en) 2015-06-11 2024-07-11 Circ, LLC Process and System for Producing Pulp, Energy, and Bioderivatives from Plant-Based and Recycled Materials
EP3737783A4 (en) 2018-01-12 2021-10-27 Circ, LLC Methods for recycling cotton and polyester fibers from waste textiles
GB2583719B (en) * 2019-05-02 2023-05-31 Worn Again Tech Ltd Recycling process
DE102020104592A1 (en) * 2020-02-21 2021-08-26 DTNW Deutsches Textilforschungszentrum Nord-West gemeinnützige GmbH Recycling process for mixed fabrics
US20240092991A1 (en) * 2020-11-25 2024-03-21 Regenerated Textile Industries, LLC Modular textile recycling system and process
US12331157B2 (en) 2021-09-16 2025-06-17 Circ, LLC Method of forming a polyester from a regenerated diacid formed from depolymerization of a waste material
EP4306587A1 (en) * 2022-07-12 2024-01-17 Trinseo Europe GmbH Recycling method for post-consumer and/or post-industrial impact modified polymers
CN120787190A (en) 2023-09-11 2025-10-14 株式会社Lg化学 Preparation method of recycled plastic

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0850982A2 (en) * 1996-12-31 1998-07-01 Shell Internationale Researchmaatschappij B.V. Process for recovering a solid microporous polyester polymer from a recycle stream and products made thereby
WO2008045516A1 (en) * 2006-10-11 2008-04-17 Qlt Usa, Inc. Preparation of biodegradable polyesters with low-burst properties by supercritical fluid extraction
US20090305957A1 (en) * 2006-10-11 2009-12-10 Qlt Usa, Inc. Preparation of biodegradable polyesters with low-burst properties by supercritical fluid extraction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0850982A2 (en) * 1996-12-31 1998-07-01 Shell Internationale Researchmaatschappij B.V. Process for recovering a solid microporous polyester polymer from a recycle stream and products made thereby
WO2008045516A1 (en) * 2006-10-11 2008-04-17 Qlt Usa, Inc. Preparation of biodegradable polyesters with low-burst properties by supercritical fluid extraction
US20090305957A1 (en) * 2006-10-11 2009-12-10 Qlt Usa, Inc. Preparation of biodegradable polyesters with low-burst properties by supercritical fluid extraction

Also Published As

Publication number Publication date
GB2560726A (en) 2018-09-26
GB201704499D0 (en) 2017-05-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)
S20A Reinstatement of application (sect. 20a/patents act 1977)

Free format text: REQUEST FOR REINSTATEMENT ALLOWED

Effective date: 20200520

Free format text: REQUEST FOR REINSTATEMENT FILED

Effective date: 20200422