FI20215861A1 - Förfarande, användning därav, massasammansättning och system - Google Patents

Förfarande, användning därav, massasammansättning och system Download PDF

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Publication number
FI20215861A1
FI20215861A1 FI20215861A FI20215861A FI20215861A1 FI 20215861 A1 FI20215861 A1 FI 20215861A1 FI 20215861 A FI20215861 A FI 20215861A FI 20215861 A FI20215861 A FI 20215861A FI 20215861 A1 FI20215861 A1 FI 20215861A1
Authority
FI
Finland
Prior art keywords
pulp
screening
composition
fraction
reject
Prior art date
Application number
FI20215861A
Other languages
English (en)
Finnish (fi)
Inventor
Mikko Nikamaa
Original Assignee
Metsae Board 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 Metsae Board Oyj filed Critical Metsae Board Oyj
Priority to FI20215861A priority Critical patent/FI20215861A1/sv
Priority to SE2430124A priority patent/SE2430124A1/en
Priority to JP2024509463A priority patent/JP2024530250A/ja
Priority to DE112022003992.2T priority patent/DE112022003992T5/de
Priority to CA3228121A priority patent/CA3228121A1/en
Priority to PCT/FI2022/050535 priority patent/WO2023021243A1/en
Priority to CN202280054667.2A priority patent/CN117795155A/zh
Publication of FI20215861A1 publication Critical patent/FI20215861A1/sv

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
    • D21H11/08—Mechanical or thermomechanical pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • 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
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • 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
    • 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
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • 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
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • 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
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
FI20215861A 2021-08-17 2021-08-17 Förfarande, användning därav, massasammansättning och system FI20215861A1 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI20215861A FI20215861A1 (sv) 2021-08-17 2021-08-17 Förfarande, användning därav, massasammansättning och system
SE2430124A SE2430124A1 (en) 2021-08-17 2022-08-17 A method, use of the same, a pulp composition, and a system
JP2024509463A JP2024530250A (ja) 2021-08-17 2022-08-17 方法、方法の使用、パルプ組成物、およびシステム
DE112022003992.2T DE112022003992T5 (de) 2021-08-17 2022-08-17 Verfahren, Verwendung desselben, eine Zellstoffzusammensetzung und ein System
CA3228121A CA3228121A1 (en) 2021-08-17 2022-08-17 A method, use of the same, a pulp composition, and a system
PCT/FI2022/050535 WO2023021243A1 (en) 2021-08-17 2022-08-17 A method, use of the same, a pulp composition, and a system
CN202280054667.2A CN117795155A (zh) 2021-08-17 2022-08-17 方法、其用途，浆料组合物和***

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20215861A FI20215861A1 (sv) 2021-08-17 2021-08-17 Förfarande, användning därav, massasammansättning och system

Publications (1)

Publication Number Publication Date
FI20215861A1 true FI20215861A1 (sv) 2023-02-18

Family

ID=83149024

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20215861A FI20215861A1 (sv) 2021-08-17 2021-08-17 Förfarande, användning därav, massasammansättning och system

Country Status (7)

Country Link
JP (1) JP2024530250A (sv)
CN (1) CN117795155A (sv)
CA (1) CA3228121A1 (sv)
DE (1) DE112022003992T5 (sv)
FI (1) FI20215861A1 (sv)
SE (1) SE2430124A1 (sv)
WO (1) WO2023021243A1 (sv)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073737A (en) * 1958-10-08 1963-01-15 Dorr Oliver Inc Wood pulp and process for producing same
US4502918A (en) * 1981-06-10 1985-03-05 Macmillan Bloedel Limited Two-stage chemical treatment of mechanical wood pulp with sodium sulfite
SE9402101L (sv) * 1994-06-15 1995-12-16 Moelnlycke Ab Lättavvattnad, bulkig, kemimekanisk massa med låg spet- och finmaterialhalt
SE517297E (sv) * 1999-09-10 2004-12-07 Stora Enso Ab Metod vid produktion av mekanisk massa från ett cellulosainnehållande material, massa framställd enligt metoden samt kartong producerad av massan
FI121311B (sv) * 2005-05-03 2010-09-30 M Real Oyj Förfarande för framställning av mekanisk massa som är lämplig för tillverkning av papper och kartong

Also Published As

Publication number Publication date
DE112022003992T5 (de) 2024-05-23
SE2430124A1 (en) 2024-03-13
JP2024530250A (ja) 2024-08-16
CN117795155A (zh) 2024-03-29
CA3228121A1 (en) 2023-02-23
WO2023021243A1 (en) 2023-02-23

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