CA2633800C - A method for manufacturing mechanical pulp - Google Patents

A method for manufacturing mechanical pulp Download PDF

Info

Publication number
CA2633800C
CA2633800C CA2633800A CA2633800A CA2633800C CA 2633800 C CA2633800 C CA 2633800C CA 2633800 A CA2633800 A CA 2633800A CA 2633800 A CA2633800 A CA 2633800A CA 2633800 C CA2633800 C CA 2633800C
Authority
CA
Canada
Prior art keywords
stock
accepted
rejected
pulp
mechanical pulp
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.)
Expired - Fee Related
Application number
CA2633800A
Other languages
English (en)
French (fr)
Other versions
CA2633800A1 (en
Inventor
Esko Harkonen
Taisto Tienvieri
Jouko H. Lehto
Markku Gummerus
Folke Orsa
Liisa Pirinen
Mia Piirainen
Jean-Cristophe Hostachy
Serge Kocimski
Ernst-Martin Billing
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.)
UPM Kymmene Oy
ITT Manufacturing Enterprises LLC
Original Assignee
UPM Kymmene Oy
ITT Manufacturing Enterprises LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37623877&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2633800(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by UPM Kymmene Oy, ITT Manufacturing Enterprises LLC filed Critical UPM Kymmene Oy
Publication of CA2633800A1 publication Critical patent/CA2633800A1/en
Application granted granted Critical
Publication of CA2633800C publication Critical patent/CA2633800C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • D21B1/04—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
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
CA2633800A 2006-12-28 2007-12-27 A method for manufacturing mechanical pulp Expired - Fee Related CA2633800C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20065860A FI119062B (fi) 2006-12-28 2006-12-28 Menetelmä mekaanisen massan valmistamiseksi
FI20065860 2006-12-28
PCT/FI2007/050721 WO2008081078A1 (en) 2006-12-28 2007-12-27 A method for manufacturing mechanical pulp

Publications (2)

Publication Number Publication Date
CA2633800A1 CA2633800A1 (en) 2008-06-28
CA2633800C true CA2633800C (en) 2011-08-02

Family

ID=37623877

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2633800A Expired - Fee Related CA2633800C (en) 2006-12-28 2007-12-27 A method for manufacturing mechanical pulp

Country Status (9)

Country Link
US (1) US20110036523A1 (ja)
EP (1) EP2097582A4 (ja)
JP (1) JP4882090B2 (ja)
CN (1) CN101389808B (ja)
BR (1) BRPI0707368A2 (ja)
CA (1) CA2633800C (ja)
FI (1) FI119062B (ja)
RU (1) RU2373313C1 (ja)
WO (1) WO2008081078A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI123113B (fi) * 2008-09-10 2012-11-15 Upm Kymmene Corp Menetelmä mekaanisen massan valmistamiseksi ja mekaanisen massan käyttö
FR2937656B1 (fr) * 2008-10-24 2010-11-19 Arkema France Procede de fabrication de pate a papier
JP5729095B2 (ja) * 2011-03-31 2015-06-03 日本製紙株式会社 広葉樹機械パルプの製造方法
FR2980805B1 (fr) 2011-09-30 2013-09-20 Arkema France Pretraitement enzymatique de bois dans un procede de fabrication de pate a papier mecanique
US9982387B2 (en) * 2012-05-21 2018-05-29 Oji Holdings Corporation Method for producing fine fibers and sheet containing fine fibers
CA2824076A1 (en) 2012-08-21 2014-02-21 University Of New Brunswick System and method for reclaiming rejects in sulfite pulping
SE538752C2 (en) * 2014-11-21 2016-11-08 Innventia Ab Process for the production of a treated pulp, treated pulp, and textile fibers produced from the treated pulp
EP3502348B1 (en) * 2017-12-21 2020-06-24 BillerudKorsnäs AB Fibre fractionation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3013932A (en) * 1958-01-14 1961-12-19 Hawaiian Dev Company Ltd Printing paper and process of making the same
NO131996C (ja) 1973-10-04 1975-09-03 Papirind Forskningsinst
FI67412C (fi) 1977-04-27 1985-03-11 Myrens Verksted As Foerfarande foer behandling av cellulosahaltig massa
NO142091C (no) * 1977-10-17 1980-06-25 Myrens Verksted As Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse.
US4718980A (en) * 1985-12-30 1988-01-12 Weyerhaeuser Company Interstage treatment of mechanical pulp
JP2825346B2 (ja) * 1990-05-17 1998-11-18 ユニオン キャンプ コーポレイション リグノセルロース物質の環境上改良された漂白方法
US5503709A (en) * 1994-07-27 1996-04-02 Burton; Steven W. Environmentally improved process for preparing recycled lignocellulosic materials for bleaching
SE520707C2 (sv) * 2001-12-05 2003-08-12 Metso Paper Inc Metod och system för behandling av massa vid ozonblekning
FI121792B (fi) * 2003-06-30 2011-04-15 Andritz Oy Menetelmä massan käsittelemiseksi kemiallisen massan valkaisun yhteydessä
CN1263923C (zh) * 2004-09-15 2006-07-12 中国科学院广州化学研究所 木塑复合材料用甘蔗渣的超声化学前处理方法

Also Published As

Publication number Publication date
US20110036523A1 (en) 2011-02-17
EP2097582A4 (en) 2013-12-25
BRPI0707368A2 (pt) 2011-05-03
JP2009530508A (ja) 2009-08-27
FI20065860A0 (fi) 2006-12-28
CN101389808A (zh) 2009-03-18
CN101389808B (zh) 2011-05-11
CA2633800A1 (en) 2008-06-28
WO2008081078A1 (en) 2008-07-10
FI119062B (fi) 2008-07-15
JP4882090B2 (ja) 2012-02-22
EP2097582A1 (en) 2009-09-09
RU2373313C1 (ru) 2009-11-20

Similar Documents

Publication Publication Date Title
CA2633800C (en) A method for manufacturing mechanical pulp
US6743332B2 (en) High temperature peroxide bleaching of mechanical pulps
CA2806600C (en) Method for producing a high-freeness pulp
DE60316712T2 (de) Verfahren zur herstellung von holzstoff und der so hergestellte holzstoff
DE112006001002B4 (de) Verfahren zur Herstellung mechanischen Zellstoffs, der zur Herstellung von Papier oder Pappe geeignet ist
US20130098571A1 (en) Chemical activation and refining of southern pine kraft fibers
US6881299B2 (en) Refiner bleaching with magnesium oxide and hydrogen peroxide
US4776926A (en) Process for producing high yield bleached cellulose pulp
US4756799A (en) Method of manufacturing bleached chemimechanical and semichemical fibre pulp by means of a one-stage impregnation process
DE60208034T2 (de) Verfahren zur herstellung eines gebleichten tmp- oder ctmp zellstoffs
US4900399A (en) Method of manufacturing bleached chemi-mechanical and semichemical fibre pulp by a two-stage impregnation process
US5733412A (en) Decolorizing brown fibers in recycled pulp
EP0677122B1 (en) A method of producing mechanical and chemi-mechanical pulp
EP2443280B1 (en) Alkaline peroxide treatment of rejects in an integrated neutral-alkaline paper mill
DE68909231T2 (de) Verfahren zur herstellung der mechanischen oder chemiemechanischen papierpulpe.
EP1540073A1 (en) Method of manufacturing mechanical or chemi-mechanical pulp and an apparatus for manufacturing the same
Sjölin Mechanical and chemical chip pre-treatment in mechanical pulp production
EP2924166A1 (de) Verfahren zur Herstellung von gebleichtem Holzfaserstoff

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20171227