OA00199A - Procédé de blanchiment de la pâte de cellulose. - Google Patents

Procédé de blanchiment de la pâte de cellulose.

Info

Publication number
OA00199A
OA00199A OA50265A OA50265A OA00199A OA 00199 A OA00199 A OA 00199A OA 50265 A OA50265 A OA 50265A OA 50265 A OA50265 A OA 50265A OA 00199 A OA00199 A OA 00199A
Authority
OA
OAPI
Prior art keywords
cellulose pulp
bleaching cellulose
bleaching
pulp
cellulose
Prior art date
Application number
OA50265A
Other languages
English (en)
Original Assignee
A And W 5 A And W Overseas Dev
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 A And W 5 A And W Overseas Dev filed Critical A And W 5 A And W Overseas Dev
Publication of OA00199A publication Critical patent/OA00199A/fr

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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
OA50265A 1963-07-12 1964-08-18 Procédé de blanchiment de la pâte de cellulose. OA00199A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA879968 1963-07-12

Publications (1)

Publication Number Publication Date
OA00199A true OA00199A (fr) 1966-03-15

Family

ID=4141767

Family Applications (1)

Application Number Title Priority Date Filing Date
OA50265A OA00199A (fr) 1963-07-12 1964-08-18 Procédé de blanchiment de la pâte de cellulose.

Country Status (12)

Country Link
US (1) US3536577A (fr)
JP (1) JPS5235761B1 (fr)
AT (1) AT265008B (fr)
CH (1) CH486596A (fr)
DE (1) DE1546226B1 (fr)
ES (1) ES301960A1 (fr)
FI (1) FI43808C (fr)
FR (1) FR1407286A (fr)
GB (1) GB1007697A (fr)
NL (2) NL6407863A (fr)
OA (1) OA00199A (fr)
SE (1) SE301583B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE334286B (fr) * 1968-12-05 1971-04-19 Mo Och Domsjoe Ab
SE391750B (sv) * 1974-03-21 1977-02-28 Kamyr Ab Sett att i ett kerl kontinuerligt behandla cellulosamassa med klor
JPS5422857U (fr) * 1977-07-14 1979-02-15
US4325783A (en) * 1978-03-30 1982-04-20 Erco Industries Limited Bleaching procedure using chlorine dioxide and chlorine solutions
JPS5542838U (fr) * 1978-09-13 1980-03-19
US4299653A (en) * 1979-04-16 1981-11-10 Erco Industries Limited Method of bleaching pulp with an aqueous solution of chlorine dioxide and chlorine followed by a chlorine solution
AU5317700A (en) * 1999-06-08 2000-12-28 Eastern Pulp And Paper Corporation Bleaching pulp with high-pressure O2

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2494542A (en) * 1946-05-02 1950-01-17 Niagara Alkali Company Method of bleaching pulp
BE518419A (fr) * 1952-03-26
CH315608A (fr) * 1952-03-26 1956-08-31 Electro Chimie Metal Procédé de blanchiment de pâtes de cellulose au sulfite ou au sulfate
US3020196A (en) * 1960-08-05 1962-02-06 Allied Chem Production of high brightness high strength wood pulps

Also Published As

Publication number Publication date
FR1407286A (fr) 1965-07-30
NL6407863A (fr) 1965-01-13
DE1546226B1 (de) 1970-11-26
SE301583B (fr) 1968-06-10
AT265008B (de) 1968-09-25
FI43808C (fi) 1977-09-27
FI43808B (fr) 1971-03-01
ES301960A1 (es) 1965-01-16
GB1007697A (en) 1965-10-22
JPS5235761B1 (fr) 1977-09-10
NL134770C (fr)
CH486596A (de) 1970-02-28
US3536577A (en) 1970-10-27

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