EP4334525C0 - Procédé de traitement de produit de départ non ligneux - Google Patents

Procédé de traitement de produit de départ non ligneux

Info

Publication number
EP4334525C0
EP4334525C0 EP22722911.9A EP22722911A EP4334525C0 EP 4334525 C0 EP4334525 C0 EP 4334525C0 EP 22722911 A EP22722911 A EP 22722911A EP 4334525 C0 EP4334525 C0 EP 4334525C0
Authority
EP
European Patent Office
Prior art keywords
treatment
raw materials
wood raw
wood
materials
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
EP22722911.9A
Other languages
German (de)
English (en)
Other versions
EP4334525A1 (fr
EP4334525B1 (fr
Inventor
Eduward Ginting
Rudine Antes
Yin Ying H'ng
Surya Darma Pandita
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.)
Asia Pacific Resources International Holdings Ltd
Asia Pacific Resources Int Holdings Ltd
Original Assignee
Asia Pacific Resources International Holdings Ltd
Asia Pacific Resources Int Holdings 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 Asia Pacific Resources International Holdings Ltd, Asia Pacific Resources Int Holdings Ltd filed Critical Asia Pacific Resources International Holdings Ltd
Publication of EP4334525A1 publication Critical patent/EP4334525A1/fr
Application granted granted Critical
Publication of EP4334525B1 publication Critical patent/EP4334525B1/fr
Publication of EP4334525C0 publication Critical patent/EP4334525C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
EP22722911.9A 2021-05-03 2022-05-03 Procédé de traitement de produit de départ non ligneux Active EP4334525B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10202104539U 2021-05-03
PCT/SG2022/050268 WO2022235212A1 (fr) 2021-05-03 2022-05-03 Procédé de traitement de produit de départ non ligneux

Publications (3)

Publication Number Publication Date
EP4334525A1 EP4334525A1 (fr) 2024-03-13
EP4334525B1 EP4334525B1 (fr) 2025-09-24
EP4334525C0 true EP4334525C0 (fr) 2025-09-24

Family

ID=81603801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22722911.9A Active EP4334525B1 (fr) 2021-05-03 2022-05-03 Procédé de traitement de produit de départ non ligneux

Country Status (4)

Country Link
EP (1) EP4334525B1 (fr)
JP (1) JP2024522313A (fr)
CN (1) CN117321262A (fr)
WO (1) WO2022235212A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE546273C2 (en) * 2023-02-06 2024-09-17 Soedra Skogsaegarna Ekonomisk Foerening Method for production of a pulp mixture of wood pulp and agricultural material, and a pulp mixture thereof

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5433825A (en) * 1992-02-06 1995-07-18 The United States Of America As Represented By The Secretary Of Agriculture Method for pulping wood chips separate alkali and peroxymonosulfate treatments
JP4223579B2 (ja) * 1996-11-18 2009-02-12 三菱商事フードテック株式会社 キシロースおよびキシリトールの製造方法
US6302997B1 (en) * 1999-08-30 2001-10-16 North Carolina State University Process for producing a pulp suitable for papermaking from nonwood fibrous materials
KR100547491B1 (ko) * 2005-04-27 2006-01-31 이권혁 대나무를 이용하여 생산하는 섬유용 펄프의 제조방법 및 그 펄프
US9845575B2 (en) * 2009-05-14 2017-12-19 International Paper Company Fibrillated blend of lyocell low DP pulp
JP2011001677A (ja) * 2010-01-08 2011-01-06 Toa Kogyo:Kk パルプ製造装置、パルプ製造方法及び高濃度パルパー
MY181466A (en) * 2010-04-09 2020-12-22 Biority B V Acetic acid based refining process of biomass
AR087707A1 (es) * 2011-08-30 2014-04-09 Cargill Inc Articulos manufacturados a partir de una composicion de pulpa
US10023995B2 (en) * 2012-05-28 2018-07-17 Södra Cell Aktiebolag Ab Process and a dissolving pulp manufactured by the process
MY157464A (en) * 2014-01-20 2016-06-15 Univ Tsinghua An integrated process for fractionation of oil palm empty fruit bunch and conversion of the cellulosic solid to ethanol
MY182109A (en) * 2014-07-10 2021-01-18 Leaf Sciences Pty Ltd Methods for hydrolysing lignocellulosic material
GB2534589A (en) * 2015-01-28 2016-08-03 Innovia Films Ltd Process
SG10201503723TA (en) * 2015-05-12 2016-12-29 Pt Sateri Viscose Internat Dissolving Pulp
EP3339504A1 (fr) * 2016-12-22 2018-06-27 Lenzing Aktiengesellschaft Procédé de réduction en pâte de matières premières à base de coton
JP2018188502A (ja) * 2017-04-28 2018-11-29 フラーレン事業協同組合 木質チップ又は繊維質植物粉砕体からパルプ及びリグニンを回収するｎｃ回収方法
JP2018204158A (ja) * 2017-06-09 2018-12-27 王子ホールディングス株式会社 リグノセルロース系原料からの溶解パルプの製造方法
CN111902578A (zh) * 2018-02-23 2020-11-06 Gp纤维素有限责任公司 新型溶解木浆及其制备和使用方法
CN108797176B (zh) * 2018-06-06 2021-02-19 华南理工大学 一种全棉秆制备溶解浆的方法
EP3983605B1 (fr) * 2019-06-14 2024-09-04 Bracell Bahia Specialty Cellulose SA Appareils, procédés et systèmes de production de pâte à viscosité intrinsèque élevée et à alpha élevé
WO2021006798A1 (fr) * 2019-07-05 2021-01-14 Kiram Ab Procédé pour pâte à dissoudre à partir d'un matériau textile recyclé

Also Published As

Publication number Publication date
BR112023023031A2 (pt) 2024-01-23
EP4334525A1 (fr) 2024-03-13
WO2022235212A1 (fr) 2022-11-10
EP4334525B1 (fr) 2025-09-24
JP2024522313A (ja) 2024-06-14
CN117321262A (zh) 2023-12-29

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