EP4435175B1 - Verfahren zum herstellen eines holzfaserstoffs und holzfaserstoff-herstellvorrichtung - Google Patents

Verfahren zum herstellen eines holzfaserstoffs und holzfaserstoff-herstellvorrichtung

Info

Publication number
EP4435175B1
EP4435175B1 EP23163742.2A EP23163742A EP4435175B1 EP 4435175 B1 EP4435175 B1 EP 4435175B1 EP 23163742 A EP23163742 A EP 23163742A EP 4435175 B1 EP4435175 B1 EP 4435175B1
Authority
EP
European Patent Office
Prior art keywords
steam
wood
voc
fibre material
branched
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
EP23163742.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4435175A1 (de
EP4435175C0 (de
Inventor
Joachim Hasch
Norbert Kalwa
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.)
Swiss Krono Tec AG
Original Assignee
Swiss Krono Tec AG
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 to PL23163742.2T priority Critical patent/PL4435175T3/pl
Application filed by Swiss Krono Tec AG filed Critical Swiss Krono Tec AG
Priority to ES23163742T priority patent/ES3072222T3/es
Priority to EP23163742.2A priority patent/EP4435175B1/de
Priority to CN202480019821.1A priority patent/CN120898038A/zh
Priority to EP24711243.6A priority patent/EP4684057A1/de
Priority to PCT/EP2024/057236 priority patent/WO2024194290A1/de
Publication of EP4435175A1 publication Critical patent/EP4435175A1/de
Application granted granted Critical
Publication of EP4435175B1 publication Critical patent/EP4435175B1/de
Publication of EP4435175C0 publication Critical patent/EP4435175C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C7/00—Digesters
    • D21C7/10—Heating devices
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C7/00—Digesters
    • D21C7/12—Devices for regulating or controlling
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/007—Modification of pulp properties by mechanical or physical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
EP23163742.2A 2023-03-23 2023-03-23 Verfahren zum herstellen eines holzfaserstoffs und holzfaserstoff-herstellvorrichtung Active EP4435175B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES23163742T ES3072222T3 (en) 2023-03-23 2023-03-23 Method for producing a wood fibre fabric and wood fibre fabric production device
EP23163742.2A EP4435175B1 (de) 2023-03-23 2023-03-23 Verfahren zum herstellen eines holzfaserstoffs und holzfaserstoff-herstellvorrichtung
PL23163742.2T PL4435175T3 (pl) 2023-03-23 2023-03-23 Sposób wytwarzania masy włókien drzewnych oraz urządzenie do wytwarzania masy włókien drzewnych
EP24711243.6A EP4684057A1 (de) 2023-03-23 2024-03-19 Verfahren zum herstellen eines holzfaserstoffs und holzfaserstoff-herstellvorrichtung
CN202480019821.1A CN120898038A (zh) 2023-03-23 2024-03-19 用于生产木质纤维材料的方法及木质纤维材料生产装置
PCT/EP2024/057236 WO2024194290A1 (de) 2023-03-23 2024-03-19 Verfahren zum herstellen eines holzfaserstoffs und holzfaserstoff-herstellvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP23163742.2A EP4435175B1 (de) 2023-03-23 2023-03-23 Verfahren zum herstellen eines holzfaserstoffs und holzfaserstoff-herstellvorrichtung

Publications (3)

Publication Number Publication Date
EP4435175A1 EP4435175A1 (de) 2024-09-25
EP4435175B1 true EP4435175B1 (de) 2026-04-29
EP4435175C0 EP4435175C0 (de) 2026-04-29

Family

ID=85726575

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23163742.2A Active EP4435175B1 (de) 2023-03-23 2023-03-23 Verfahren zum herstellen eines holzfaserstoffs und holzfaserstoff-herstellvorrichtung
EP24711243.6A Pending EP4684057A1 (de) 2023-03-23 2024-03-19 Verfahren zum herstellen eines holzfaserstoffs und holzfaserstoff-herstellvorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP24711243.6A Pending EP4684057A1 (de) 2023-03-23 2024-03-19 Verfahren zum herstellen eines holzfaserstoffs und holzfaserstoff-herstellvorrichtung

Country Status (5)

Country Link
EP (2) EP4435175B1 (pl)
CN (1) CN120898038A (pl)
ES (1) ES3072222T3 (pl)
PL (1) PL4435175T3 (pl)
WO (1) WO2024194290A1 (pl)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4925527A (en) 1989-02-22 1990-05-15 Ahlstromforetagen Svenska Ab Method for the recovery of turpentine and heat in a refiner pulping process
US4915784A (en) * 1989-05-03 1990-04-10 Reynolds Ellis W Process and apparatus for removing contaminants from pulp digester vent gas
US6176971B1 (en) * 1998-11-18 2001-01-23 Andritz-Ahlstrom Inc. Heat economy enhancements for the recovery and use of energy obtained from spent cooking liquors
WO2000050689A1 (ru) * 1999-02-22 2000-08-31 Alexandr Gorokhov Method for producing cellulose
US20190232228A1 (en) * 2013-03-08 2019-08-01 Xyleco, Inc. Controlling process gases
AT514330B1 (de) * 2013-08-01 2014-12-15 Andritz Ag Maschf Anlage und Verfahren zum Verarbeiten von Faserstoffen
SE1650664A1 (en) * 2016-05-17 2017-10-17 Valmet Oy Method for generation of clean steam in a continuous digester system
CN111448041B (zh) * 2017-10-02 2023-12-08 Fp创新研究所 木材复合面板产品的木质素强化粘附性
PL3872256T3 (pl) * 2020-02-28 2022-05-09 Fiberboard Gmbh Sposób i układ do przetwarzania do redukcji lotnych związków organicznych ze zrębków drzewnych

Also Published As

Publication number Publication date
ES3072222T3 (en) 2026-06-30
EP4435175A1 (de) 2024-09-25
WO2024194290A1 (de) 2024-09-26
EP4684057A1 (de) 2026-01-28
PL4435175T3 (pl) 2026-08-10
CN120898038A (zh) 2025-11-04
WO2024194290A8 (de) 2025-09-04
EP4435175C0 (de) 2026-04-29

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