EP4423332A4 - Process for producing a purified fiber fraction from used beverage cartons - Google Patents

Process for producing a purified fiber fraction from used beverage cartons

Info

Publication number
EP4423332A4
EP4423332A4 EP22886262.9A EP22886262A EP4423332A4 EP 4423332 A4 EP4423332 A4 EP 4423332A4 EP 22886262 A EP22886262 A EP 22886262A EP 4423332 A4 EP4423332 A4 EP 4423332A4
Authority
EP
European Patent Office
Prior art keywords
producing
fiber fraction
used beverage
beverage cartons
purified fiber
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
EP22886262.9A
Other languages
German (de)
French (fr)
Other versions
EP4423332A1 (en
Inventor
Carl-Henrik Ljungqvist
Isto Heiskanen
Kaj Backfolk
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.)
Stora Enso Oyj
Original Assignee
Stora Enso Oyj
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 Stora Enso Oyj filed Critical Stora Enso Oyj
Publication of EP4423332A1 publication Critical patent/EP4423332A1/en
Publication of EP4423332A4 publication Critical patent/EP4423332A4/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/026—Separating fibrous materials from waste
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D21B1/322—Defibrating by other means of waste paper coated with synthetic materials
    • 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
    • Y02W30/64—Paper recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Artificial Filaments (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EP22886262.9A 2021-10-29 2022-10-25 Process for producing a purified fiber fraction from used beverage cartons Pending EP4423332A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE2151331A SE546824C2 (en) 2021-10-29 2021-10-29 A method for manufacturing a purified fiber fraction from used beverage carton
PCT/IB2022/060223 WO2023073539A1 (en) 2021-10-29 2022-10-25 A method for manufacturing a purified fiber fraction from used beverage carton

Publications (2)

Publication Number Publication Date
EP4423332A1 EP4423332A1 (en) 2024-09-04
EP4423332A4 true EP4423332A4 (en) 2025-09-17

Family

ID=86157599

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22886262.9A Pending EP4423332A4 (en) 2021-10-29 2022-10-25 Process for producing a purified fiber fraction from used beverage cartons

Country Status (3)

Country Link
EP (1) EP4423332A4 (en)
SE (1) SE546824C2 (en)
WO (1) WO2023073539A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20235607A1 (en) * 2023-05-31 2024-12-01 Kemira Oyj Process for producing hygienized pulp
EP4567189A1 (en) * 2023-12-06 2025-06-11 Billerud Aktiebolag (publ) A process for manufacturing a purified fiber material from old corrugated containers (occ)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5238538A (en) * 1991-11-25 1993-08-24 Georgia Tech Research Corporation Method for deinking recycled fiber by applying direct current electric field
US5390860A (en) * 1992-05-15 1995-02-21 Tetra Laval Holdings & Finance Sa Method and apparatus for separating paper fiber and plastics from mixed waste materials and products obtained thereby
WO1996019613A1 (en) * 1994-12-20 1996-06-27 Knowaste Technologies Inc. Recycling of coated paperboard
US20140073774A1 (en) * 2011-05-13 2014-03-13 Stora Enso Oyj Process for treating cellulose and cellulose treated according to the process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE389136B (en) * 1971-07-10 1976-10-25 Dainichi Nippon Cables Ltd PROCEDURE FOR TREATING PULP IN AN ELECTRIC FIELD
NZ247276A (en) * 1992-04-06 1994-12-22 Westvaco Corp Production of papermaking fibre of low lignin content from recycled high lignin waste paper; mixtures with fresh pulp and products produced therefrom
AU1357097A (en) * 1996-02-27 1997-09-16 Tetra Laval Holdings & Finance Sa Process for sanitizing post-consumer paper fibers and product formed therefrom
US20020121352A1 (en) * 2001-03-02 2002-09-05 Lawson J. Alan Electrical field apparatus and methods for fluid for decontamination and other purposes
JP3932533B2 (en) * 2002-09-30 2007-06-20 日本テトラパック株式会社 Method for producing packaging material for liquid food and packaging material for liquid food
SE539887C2 (en) 2014-10-03 2018-01-02 Stora Enso Oyj A method to purify lignin from Sulfur by using an electric field

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5238538A (en) * 1991-11-25 1993-08-24 Georgia Tech Research Corporation Method for deinking recycled fiber by applying direct current electric field
US5390860A (en) * 1992-05-15 1995-02-21 Tetra Laval Holdings & Finance Sa Method and apparatus for separating paper fiber and plastics from mixed waste materials and products obtained thereby
WO1996019613A1 (en) * 1994-12-20 1996-06-27 Knowaste Technologies Inc. Recycling of coated paperboard
US20140073774A1 (en) * 2011-05-13 2014-03-13 Stora Enso Oyj Process for treating cellulose and cellulose treated according to the process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023073539A1 *

Also Published As

Publication number Publication date
WO2023073539A1 (en) 2023-05-04
SE2151331A1 (en) 2023-04-30
SE546824C2 (en) 2025-02-25
EP4423332A1 (en) 2024-09-04

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Owner name: STORA ENSO OYJ

DAV Request for validation of the european patent (deleted)
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A4 Supplementary search report drawn up and despatched

Effective date: 20250819

RIC1 Information provided on ipc code assigned before grant

Ipc: D21B 1/32 20060101AFI20250812BHEP

Ipc: D21B 1/02 20060101ALI20250812BHEP

Ipc: B32B 27/10 20060101ALI20250812BHEP