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AU2024245974A1 - Highly integrated caprolactam recycling process - Google Patents

Highly integrated caprolactam recycling process

Info

Publication number
AU2024245974A1
AU2024245974A1 AU2024245974A AU2024245974A AU2024245974A1 AU 2024245974 A1 AU2024245974 A1 AU 2024245974A1 AU 2024245974 A AU2024245974 A AU 2024245974A AU 2024245974 A AU2024245974 A AU 2024245974A AU 2024245974 A1 AU2024245974 A1 AU 2024245974A1
Authority
AU
Australia
Prior art keywords
caprolactam
highly integrated
recycling process
recycling
highly
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.)
Pending
Application number
AU2024245974A
Inventor
Caroline Beyer
Stefan Blei
Faissal-Ali El-Toufaili
Esther Matyka LARYEA
Bao Liu
Hannah Stephanie MANGOLD
Volker Neu
Vikram Ravikumar
Florian Richter
Bart Vander Straeten
Dag Wiebelhaus
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of AU2024245974A1 publication Critical patent/AU2024245974A1/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/12—Preparation of lactams by depolymerising polyamides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
    • C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D223/08—Oxygen atoms
    • C07D223/10—Oxygen atoms attached in position 2
    • 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
    • C08J11/18—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 organic material
    • C08J11/28—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 organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus
    • 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)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
AU2024245974A 2023-03-31 2024-03-27 Highly integrated caprolactam recycling process Pending AU2024245974A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CNPCT/CN2023/085480 2023-03-31
CN2023085480 2023-03-31
CNPCT/CN2023/130784 2023-11-09
CN2023130784 2023-11-09
PCT/EP2024/058215 WO2024200493A1 (en) 2023-03-31 2024-03-27 Highly integrated caprolactam recycling process

Publications (1)

Publication Number Publication Date
AU2024245974A1 true AU2024245974A1 (en) 2025-10-09

Family

ID=90718195

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2024245974A Pending AU2024245974A1 (en) 2023-03-31 2024-03-27 Highly integrated caprolactam recycling process

Country Status (7)

Country Link
KR (1) KR20250164796A (en)
CN (1) CN120897905A (en)
AR (1) AR132923A1 (en)
AU (1) AU2024245974A1 (en)
MX (1) MX2025011538A (en)
TW (1) TW202440523A (en)
WO (1) WO2024200493A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025133298A2 (en) * 2023-12-21 2025-06-26 Basf Se Highly water-efficient process for preparing purified epsilon-caprolactam from polyamide 6

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5656757A (en) * 1995-08-10 1997-08-12 Alliedsignal Inc. Monomer recovery from multi-component materials
US8765902B2 (en) 2007-06-20 2014-07-01 Basf Se Method for the production of polyamides in extruders
EP2641939A1 (en) 2012-03-21 2013-09-25 Basf Se Brightly coloured flame-retardant polyamides
DE102013107238A1 (en) * 2013-07-09 2015-01-15 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Process for the recovery of epsilon-caprolactam from extract water
CN114907264B (en) * 2021-02-10 2024-07-09 中国石油化工股份有限公司 Process for refining caprolactam
TW202342429A (en) * 2022-01-28 2023-11-01 荷蘭商卡普三世責任有限公司 Process for the recovery of epsilon-caprolactam from nylon 6 comprising fishing nets
CN114456096B (en) * 2022-02-24 2023-09-26 江苏扬农化工集团有限公司 Purification method of caprolactam
EP4504696A1 (en) * 2022-04-01 2025-02-12 Basf Se Heat integration in a process for hydrolytically depolymerizing a polyamide
EP4306510A1 (en) * 2022-07-11 2024-01-17 Cap Iii B.V. Process for the recovery of epsilon-caprolactam from nylon 6-containing multi-component material

Also Published As

Publication number Publication date
MX2025011538A (en) 2025-11-03
WO2024200493A1 (en) 2024-10-03
KR20250164796A (en) 2025-11-25
TW202440523A (en) 2024-10-16
AR132923A1 (en) 2025-08-13
CN120897905A (en) 2025-11-04

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