GB1007697A - Bleaching of cellulosic pulp - Google Patents

Bleaching of cellulosic pulp

Info

Publication number
GB1007697A
GB1007697A GB28752/64A GB2875264A GB1007697A GB 1007697 A GB1007697 A GB 1007697A GB 28752/64 A GB28752/64 A GB 28752/64A GB 2875264 A GB2875264 A GB 2875264A GB 1007697 A GB1007697 A GB 1007697A
Authority
GB
United Kingdom
Prior art keywords
pulp
minutes
weight
chlorine
consistency
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.)
Expired
Application number
GB28752/64A
Other languages
English (en)
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.)
A AND W OVERSEAS DEVELOPMENTS
Original Assignee
A AND W OVERSEAS DEVELOPMENTS
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 OVERSEAS DEVELOPMENTS filed Critical A AND W OVERSEAS DEVELOPMENTS
Publication of GB1007697A publication Critical patent/GB1007697A/en
Expired 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
    • D21C9/12—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)
GB28752/64A 1963-07-12 1964-07-13 Bleaching of cellulosic pulp Expired GB1007697A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1007697A true GB1007697A (en) 1965-10-22

Family

ID=4141767

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28752/64A Expired GB1007697A (en) 1963-07-12 1964-07-13 Bleaching of cellulosic pulp

Country Status (12)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE334286B (fi) * 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 (fi) * 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 (fi) * 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 (fi) * 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
JPS5235761B1 (fi) 1977-09-10
OA00199A (fr) 1966-03-15
FI43808B (fi) 1971-03-01
CH486596A (de) 1970-02-28
DE1546226B1 (de) 1970-11-26
FI43808C (fi) 1977-09-27
ES301960A1 (es) 1965-01-16
US3536577A (en) 1970-10-27
AT265008B (de) 1968-09-25
FR1407286A (fr) 1965-07-30
NL6407863A (fi) 1965-01-13
NL134770C (fi)
SE301583B (fi) 1968-06-10

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