ZA991898B - Process for the bleaching of paper pulp. - Google Patents

Process for the bleaching of paper pulp.

Info

Publication number
ZA991898B
ZA991898B ZA9901898A ZA991898A ZA991898B ZA 991898 B ZA991898 B ZA 991898B ZA 9901898 A ZA9901898 A ZA 9901898A ZA 991898 A ZA991898 A ZA 991898A ZA 991898 B ZA991898 B ZA 991898B
Authority
ZA
South Africa
Prior art keywords
bleaching
paper pulp
pulp
paper
Prior art date
Application number
ZA9901898A
Inventor
Eric Chauveheid
Johan Devenyns
Thierry Van Beckhoven
Original Assignee
Solvay
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 Solvay filed Critical Solvay
Publication of ZA991898B publication Critical patent/ZA991898B/en

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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • D21C9/1042—Use of chelating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
ZA9901898A 1998-03-10 1999-03-09 Process for the bleaching of paper pulp. ZA991898B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9800189A BE1011784A3 (en) 1998-03-10 1998-03-10 Bleaching pulp process.

Publications (1)

Publication Number Publication Date
ZA991898B true ZA991898B (en) 2000-10-11

Family

ID=3891147

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9901898A ZA991898B (en) 1998-03-10 1999-03-09 Process for the bleaching of paper pulp.

Country Status (5)

Country Link
EP (1) EP1062388A1 (en)
AU (1) AU3411199A (en)
BE (1) BE1011784A3 (en)
WO (1) WO1999046440A1 (en)
ZA (1) ZA991898B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2728278C (en) 2008-06-20 2016-06-28 Zheng Tan Composition and recording sheet with improved optical properties

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE184060T1 (en) * 1993-04-20 1999-09-15 Eka Chemicals Ab METHOD FOR BLEACHING PULP CONTAINING LIGNOCELLULOSE
EP0858526A1 (en) * 1995-02-17 1998-08-19 Ahlstrom Machinery Oy Method of pretreating pulp to be bleached with peroxide
FI115469B (en) * 1996-02-19 2005-05-13 Kemira Oyj Process for the treatment of chemical cellulose material
DE19630278A1 (en) * 1996-07-26 1998-01-29 Basf Ag Complexing agent for pulp and pulp bleaching, paper production and deinking of waste paper

Also Published As

Publication number Publication date
AU3411199A (en) 1999-09-27
WO1999046440A1 (en) 1999-09-16
BE1011784A3 (en) 2000-01-11
EP1062388A1 (en) 2000-12-27

Similar Documents

Publication Publication Date Title
EP0930394A4 (en) Bulking agents for paper, high-bulkiness pulp sheets, and process for the production of the sheets
MX252220B (en) Process for sizing paper.
AU2001290028A1 (en) Method for bleaching paper pulp
AU9249698A (en) Method for bleaching mechanical pulp
ZA992111B (en) Apparatus and process for making structured paper and structured paper produced thereby.
AU1584295A (en) Pulp bleaching
HUP0102993A3 (en) Dewatering process
GB2325676B (en) Paper making process
ZA971785B (en) Process for oxidising starch.
PL342320A1 (en) Paper sizing process
PL348036A1 (en) Tissue paper product, and process for making the product
ZA991903B (en) Process for the bleaching and/or delignification of paper pulps.
AUPP476398A0 (en) Bleaching process
ZA991898B (en) Process for the bleaching of paper pulp.
AU6206094A (en) Chemical paper pulp delignification method
ZA979999B (en) Method of pulp bleaching.
AU8642698A (en) An improved method for bleaching pulp
AU5212800A (en) Method for bleaching paper pulp
AU5657098A (en) Improvements to the bleaching process for chemical pulp and intermediate pulp dispersions
PL347895A1 (en) Process for oxidising starch
ZA988300B (en) Process for the bleaching of chemical paper pulps
ZA951344B (en) Pulp bleaching method
ZA977712B (en) Process for the bleaching of pulp.
AU2964597A (en) Process for the bleaching of high yield pulp or recycled paper pulp
ZA989250B (en) Manufacture of chemical paper pulp.