CA2553662C - Method for reducing the extractives content of high-yield pulps and method for producing bleached high-yield pulps - Google Patents

Method for reducing the extractives content of high-yield pulps and method for producing bleached high-yield pulps Download PDF

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Publication number
CA2553662C
CA2553662C CA2553662A CA2553662A CA2553662C CA 2553662 C CA2553662 C CA 2553662C CA 2553662 A CA2553662 A CA 2553662A CA 2553662 A CA2553662 A CA 2553662A CA 2553662 C CA2553662 C CA 2553662C
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CA
Canada
Prior art keywords
pulp
surfactant
peroxide bleaching
bleaching
extractives
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
CA2553662A
Other languages
English (en)
French (fr)
Other versions
CA2553662A1 (en
Inventor
Aarto Paren
Jukka Jakara
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.)
Kemira Oyj
Original Assignee
Kemira 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 Kemira Oyj filed Critical Kemira Oyj
Publication of CA2553662A1 publication Critical patent/CA2553662A1/en
Application granted granted Critical
Publication of CA2553662C publication Critical patent/CA2553662C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Steroid Compounds (AREA)
CA2553662A 2004-02-24 2005-02-23 Method for reducing the extractives content of high-yield pulps and method for producing bleached high-yield pulps Active CA2553662C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20040282A FI121385B (fi) 2004-02-24 2004-02-24 Menetelmä suursaantomassojen uuteainepitoisuuden vähentämiseksi ja menetelmä valkaistujen suursaantomassojen valmistamiseksi
FI20040282 2004-02-24
PCT/FI2005/000112 WO2005080672A2 (en) 2004-02-24 2005-02-23 Method for reducing the extractives content of high-yield pulps and method for producing bleached high-yield pulps

Publications (2)

Publication Number Publication Date
CA2553662A1 CA2553662A1 (en) 2005-09-01
CA2553662C true CA2553662C (en) 2012-10-23

Family

ID=31725758

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2553662A Active CA2553662C (en) 2004-02-24 2005-02-23 Method for reducing the extractives content of high-yield pulps and method for producing bleached high-yield pulps

Country Status (9)

Country Link
US (1) US20070272378A1 (de)
EP (1) EP1718801B1 (de)
CN (1) CN100591842C (de)
AT (1) ATE376094T1 (de)
BR (1) BRPI0507851A (de)
CA (1) CA2553662C (de)
DE (1) DE602005002933T2 (de)
FI (1) FI121385B (de)
WO (1) WO2005080672A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20070126A0 (fi) 2006-09-08 2007-02-13 Linde Ag Menetelmä hartsin poistamiseksi massasta ja hiilidioksidin tai (bi)karbonaatin käyttö tähän tarkoitukseen
WO2013178875A1 (en) * 2012-05-29 2013-12-05 Kemira Oyj A process for the treatment of fibre material and a new composition
TW201610261A (zh) 2014-05-20 2016-03-16 喬治亞太平洋消費者產品公司 非木材纖維之漂白及植物性雜質減量方法
TW201610265A (zh) 2014-05-20 2016-03-16 喬治亞太平洋消費者產品公司 非木材纖維之漂白及植物性雜質減量方法
TW201544652A (zh) * 2014-05-20 2015-12-01 Georgia Pacific Consumer Prod 非木材纖維之漂白及植物性雜質減量方法
CA3075029A1 (en) 2017-09-11 2019-03-14 Solenis Technologies, L.P. Method for enhanced oxygen delignification of chemical wood pulps
US20210355634A1 (en) * 2018-11-07 2021-11-18 Kemira Oyj A composition for use as peroxide stabilizer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU74434A1 (de) * 1976-02-25 1977-09-12
DE3423452A1 (de) * 1984-06-26 1986-01-02 Sandoz-Patent-GmbH, 7850 Lörrach Stabilisierende mischung zur peroxidbleiche zellulosehaltiger materialien
US4963157A (en) * 1987-04-17 1990-10-16 Nippon Peroxide Co., Ltd. Method for bleaching cellulosic fiber material with hydrogen peroxide
US5234544A (en) * 1989-10-18 1993-08-10 Air Products And Chemicals, Inc. Cleaning and bleaching of secondary fiber
JP3191828B2 (ja) * 1992-05-27 2001-07-23 三菱瓦斯化学株式会社 印刷古紙の脱墨漂白方法
DE4344029A1 (de) * 1993-12-23 1995-06-29 Grillo Werke Ag Copolymerisate ungesättigter Carbonsäuren, Verfahren zur Herstellung und ihre Verwendung
CN1088484C (zh) * 1999-06-15 2002-07-31 杭州市化工研究所 造纸用树脂障碍控制剂
BR0109686B1 (pt) * 2000-03-23 2012-03-06 mÉtodo para inibir a deposiÇço de contaminantes orgÂnicos em sistemas de fabricaÇço de polpa e de papel.

Also Published As

Publication number Publication date
WO2005080672A3 (en) 2005-12-08
DE602005002933D1 (de) 2007-11-29
FI121385B (fi) 2010-10-29
EP1718801A2 (de) 2006-11-08
CN100591842C (zh) 2010-02-24
ATE376094T1 (de) 2007-11-15
CA2553662A1 (en) 2005-09-01
WO2005080672A2 (en) 2005-09-01
FI20040282A (fi) 2005-08-25
FI20040282A0 (fi) 2004-02-24
BRPI0507851A (pt) 2007-07-10
CN1922359A (zh) 2007-02-28
US20070272378A1 (en) 2007-11-29
DE602005002933T2 (de) 2008-07-24
EP1718801B1 (de) 2007-10-17

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