FI911963A - Foerfarande foer blekning av massa. - Google Patents

Foerfarande foer blekning av massa. Download PDF

Info

Publication number
FI911963A
FI911963A FI911963A FI911963A FI911963A FI 911963 A FI911963 A FI 911963A FI 911963 A FI911963 A FI 911963A FI 911963 A FI911963 A FI 911963A FI 911963 A FI911963 A FI 911963A
Authority
FI
Finland
Prior art keywords
massa
foerfarande foer
blekning
foer blekning
foerfarande
Prior art date
Application number
FI911963A
Other languages
English (en)
Other versions
FI911963A0 (fi
Inventor
Hajime Endo
Toshiyuki Aoki
Takashi Hamada
Original Assignee
Hoechst Japan
Miki Co Limited
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 Hoechst Japan, Miki Co Limited filed Critical Hoechst Japan
Publication of FI911963A0 publication Critical patent/FI911963A0/fi
Publication of FI911963A publication Critical patent/FI911963A/fi

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
    • 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)
  • Detergent Compositions (AREA)
FI911963A 1990-04-25 1991-04-23 Foerfarande foer blekning av massa. FI911963A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2107397A JPH04108192A (ja) 1990-04-25 1990-04-25 パルプの漂白法

Publications (2)

Publication Number Publication Date
FI911963A0 FI911963A0 (fi) 1991-04-23
FI911963A true FI911963A (fi) 1991-10-26

Family

ID=14458110

Family Applications (1)

Application Number Title Priority Date Filing Date
FI911963A FI911963A (fi) 1990-04-25 1991-04-23 Foerfarande foer blekning av massa.

Country Status (5)

Country Link
EP (1) EP0456032A1 (fi)
JP (1) JPH04108192A (fi)
CA (1) CA2041468A1 (fi)
FI (1) FI911963A (fi)
NO (1) NO911626L (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634521A1 (en) * 1993-07-16 1995-01-18 Eka Nobel Ab Method for bleaching lignocellulose-containing fibres
AU1584295A (en) * 1994-02-07 1995-08-21 Warwick International Group Limited Pulp bleaching
US5770010A (en) * 1995-04-20 1998-06-23 R-J Holding Company Pulping process employing nascent oxygen
GB2304126A (en) * 1995-08-10 1997-03-12 Warwick Int Group Pulp treatment process
WO2000069778A1 (en) * 1999-05-17 2000-11-23 Buckman Laboratories International, Inc. Methods of using percarboxylic acid or anions thereof and methods of making the same
GB9930175D0 (en) * 1999-12-22 2000-02-09 Warwick Int Group Peroxyacid delivery process
DE602004011911T9 (de) * 2004-06-14 2009-01-02 Warwick International Group Ltd., Holywell Aktivator zum Zellstoffbleichen
DE102009045628A1 (de) 2009-10-13 2011-04-14 Henkel Ag & Co. Kgaa Bleichaktivatoren für Verfahren zum Bleichen von cellulosischen Faserstoffen
US8845860B2 (en) * 2010-09-16 2014-09-30 Georgia-Pacific Consumer Products Lp High brightness pulps from lignin rich waste papers
US9476014B2 (en) 2013-02-14 2016-10-25 II Joseph M. Galimi Method for cleaning surfaces
CN116179010B (zh) * 2023-02-28 2024-04-02 江苏理文造纸有限公司 一种油墨脱墨剂及其制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3687803A (en) * 1970-11-09 1972-08-29 American Cyanamid Co Acid chloride activators for hydrogen peroxide bleaching
GB1383741A (en) * 1971-04-13 1974-02-12 Ciba Geigy Ag Stabilisation of per-compounds

Also Published As

Publication number Publication date
FI911963A0 (fi) 1991-04-23
NO911626L (no) 1991-10-28
JPH04108192A (ja) 1992-04-09
EP0456032A1 (en) 1991-11-13
CA2041468A1 (en) 1991-10-26
NO911626D0 (no) 1991-04-24

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