ZA696595B - Bleaching of wood pulp - Google Patents

Bleaching of wood pulp

Info

Publication number
ZA696595B
ZA696595B ZA696595A ZA696595A ZA696595B ZA 696595 B ZA696595 B ZA 696595B ZA 696595 A ZA696595 A ZA 696595A ZA 696595 A ZA696595 A ZA 696595A ZA 696595 B ZA696595 B ZA 696595B
Authority
ZA
South Africa
Prior art keywords
bleaching
wood pulp
pulp
wood
Prior art date
Application number
ZA696595A
Inventor
D Andrews
S Mallett
Original Assignee
Canadian Ind
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 Canadian Ind filed Critical Canadian Ind
Publication of ZA696595B publication Critical patent/ZA696595B/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
    • D21C9/1057—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)
ZA696595A 1968-09-20 1969-09-18 Bleaching of wood pulp ZA696595B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB44904/68A GB1262655A (en) 1968-09-20 1968-09-20 Bleaching of wood pulp

Publications (1)

Publication Number Publication Date
ZA696595B true ZA696595B (en) 1971-04-28

Family

ID=10435190

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA696595A ZA696595B (en) 1968-09-20 1969-09-18 Bleaching of wood pulp

Country Status (9)

Country Link
AT (1) AT292442B (en)
BR (1) BR6912545D0 (en)
DE (1) DE1947931C3 (en)
FI (1) FI48859C (en)
FR (1) FR2018562A1 (en)
GB (1) GB1262655A (en)
NO (1) NO131761C (en)
SE (1) SE364322B (en)
ZA (1) ZA696595B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2572431B1 (en) * 1984-10-25 1987-12-04 Centre Tech Ind Papier PROCESS FOR THE PREPARATION OF CHEMICAL PAPER PULP FOR BLEACHING.
SE9900425L (en) * 1999-02-09 2000-09-04 Skogsind Tekn Foskningsinst Pulp Delignification Procedure
BR112017027022B1 (en) * 2015-09-30 2023-04-18 Imerys Minerals Limited METHOD FOR FORMING A COMPOSITION FOR BLEACHING AQUEOUS CELLULOSIC MASS, COMPOSITION AND KIT OF INGREDIENTS

Also Published As

Publication number Publication date
DE1947931B2 (en) 1974-11-14
SE364322B (en) 1974-02-18
FI48859B (en) 1974-09-30
GB1262655A (en) 1972-02-02
NO131761C (en) 1977-03-22
NO131761B (en) 1975-04-14
DE1947931C3 (en) 1975-06-26
BR6912545D0 (en) 1973-05-03
FR2018562A1 (en) 1970-05-29
DE1947931A1 (en) 1970-03-26
FI48859C (en) 1975-01-10
AT292442B (en) 1971-08-25

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