AU2755895A - Bleaching of chemical paper pulp under sulphonating conditions - Google Patents

Bleaching of chemical paper pulp under sulphonating conditions

Info

Publication number
AU2755895A
AU2755895A AU27558/95A AU2755895A AU2755895A AU 2755895 A AU2755895 A AU 2755895A AU 27558/95 A AU27558/95 A AU 27558/95A AU 2755895 A AU2755895 A AU 2755895A AU 2755895 A AU2755895 A AU 2755895A
Authority
AU
Australia
Prior art keywords
bleaching
paper pulp
pulp under
chemical paper
conditions
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.)
Abandoned
Application number
AU27558/95A
Inventor
Ulla Ekstrom
Erik Nilsson
Petter Tibbling
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.)
Metso Fiber Karlstad AB
Original Assignee
Kvaerner Pulping Technologies AB
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 Kvaerner Pulping Technologies AB filed Critical Kvaerner Pulping Technologies AB
Publication of AU2755895A publication Critical patent/AU2755895A/en
Abandoned legal-status Critical Current

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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing 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
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU27558/95A 1994-08-16 1995-05-04 Bleaching of chemical paper pulp under sulphonating conditions Abandoned AU2755895A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9402726A SE502135C2 (en) 1994-08-16 1994-08-16 Chemical pulp bleaching sequence comprising a sulfonating bleaching step
SE9402726 1994-08-16
PCT/SE1995/000486 WO1996005364A1 (en) 1994-08-16 1995-05-04 Bleaching of chemical paper pulp under sulphonating conditions

Publications (1)

Publication Number Publication Date
AU2755895A true AU2755895A (en) 1996-03-07

Family

ID=20394928

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27558/95A Abandoned AU2755895A (en) 1994-08-16 1995-05-04 Bleaching of chemical paper pulp under sulphonating conditions

Country Status (6)

Country Link
AU (1) AU2755895A (en)
CA (1) CA2194290A1 (en)
FI (1) FI970519A0 (en)
SE (1) SE502135C2 (en)
WO (1) WO1996005364A1 (en)
ZA (1) ZA955971B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105701B (en) 1995-10-20 2000-09-29 Ahlstrom Machinery Oy Method and arrangement for treatment of pulp
SE516219C2 (en) * 1995-10-26 2001-12-03 Kvaerner Pulping Tech Bleaching of chemical paper pulp in a sulfonating step and an acid oxygen delignification step
ATE216741T1 (en) * 1997-01-21 2002-05-15 Univ New Brunswick DELIGNIFICATION OF PULP WITH OXYGEN
US8980051B2 (en) * 2009-04-24 2015-03-17 International Paper Company Sulfonation of pulp produced by alkali pulping process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO152907C (en) * 1983-06-29 1985-12-11 Peterson & Son As M PROCEDURE FOR DELIGNIFICATION OF CHEMICAL MASS.
US5089089A (en) * 1984-12-31 1992-02-18 Bear Island Paper Company System for sulfonating mechanical pulp fibers
FR2655668B1 (en) * 1989-12-11 1995-06-09 Du Pin Cellulose PROCESS FOR BLEACHING CHEMICAL CELLULOSIC PASTA.
BE1004630A3 (en) * 1990-10-17 1992-12-22 Interox Internat Sa Method for preservation of strength characteristics of paper pulp chemicals.

Also Published As

Publication number Publication date
ZA955971B (en) 1996-02-21
SE9402726L (en) 1995-08-28
FI970519A (en) 1997-02-07
FI970519A0 (en) 1997-02-07
SE502135C2 (en) 1995-08-28
CA2194290A1 (en) 1996-02-22
SE9402726D0 (en) 1994-08-16
WO1996005364A1 (en) 1996-02-22

Similar Documents

Publication Publication Date Title
AU4170693A (en) Process for the delignification of a chemical paper pulp
AU636173B2 (en) Method for the chlorine-free bleaching of pulps
AU4170593A (en) Process for bleaching a chemical paper pulp
AU1584295A (en) Pulp bleaching
HUP0003676A3 (en) Process of making paper
AU9249698A (en) Method for bleaching mechanical pulp
AU7575794A (en) Process for bleaching a chemical paper pulp
AU2348495A (en) Method for preparing delignified and bleached chemical paper pulps
AU7916491A (en) Tumbling ozone reactor for paper pulp
AU3602295A (en) Process for delignification and bleaching of chemical wood pulps
AU2755895A (en) Bleaching of chemical paper pulp under sulphonating conditions
AU1797297A (en) Process for bleaching of chemical pulp
AU6206094A (en) Chemical paper pulp delignification method
AU636766B2 (en) Pneumatic reactor ozone bleaching of paper pulp
AU1474795A (en) Pulp bleaching method
AU2376195A (en) A method for producing chemicals which can be used for bleaching of pulp to the paper industry
AU5657098A (en) Improvements to the bleaching process for chemical pulp and intermediate pulp dispersions
AU7752991A (en) Bleaching of chemical pulp
AU3330599A (en) Method for bleaching and/or delignification of paper pulp
ZA979999B (en) Method of pulp bleaching.
ZA988300B (en) Process for the bleaching of chemical paper pulps
AU2964597A (en) Process for the bleaching of high yield pulp or recycled paper pulp
AU2348395A (en) Delignification and bleaching method for chemical paper pulp
ZA967931B (en) Bleaching of pulp
AU3343697A (en) Method of manufacturing paper pulp/cellulose