CA992265A - Bleaching of lignocellulosic pulp - Google Patents

Bleaching of lignocellulosic pulp

Info

Publication number
CA992265A
CA992265A CA166,552A CA166552A CA992265A CA 992265 A CA992265 A CA 992265A CA 166552 A CA166552 A CA 166552A CA 992265 A CA992265 A CA 992265A
Authority
CA
Canada
Prior art keywords
bleaching
lignocellulosic pulp
lignocellulosic
pulp
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
CA166,552A
Other languages
English (en)
Inventor
Douglas H. Andrews
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
Canadian Industries Ltd
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 Industries Ltd filed Critical Canadian Industries Ltd
Priority to CA166,552A priority Critical patent/CA992265A/en
Priority to AU65238/74A priority patent/AU477047B2/en
Priority to ZA00740951A priority patent/ZA74951B/xx
Priority to JP49029249A priority patent/JPS5117605B2/ja
Priority to BR1996/74A priority patent/BR7401996D0/pt
Application granted granted Critical
Publication of CA992265A publication Critical patent/CA992265A/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
    • D21C9/1057—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)
CA166,552A 1973-03-16 1973-03-16 Bleaching of lignocellulosic pulp Expired CA992265A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA166,552A CA992265A (en) 1973-03-16 1973-03-16 Bleaching of lignocellulosic pulp
AU65238/74A AU477047B2 (en) 1973-03-16 1974-02-06 Bleaching lignocellulosic pulp
ZA00740951A ZA74951B (en) 1973-03-16 1974-02-13 Bleaching of lignocellulosic pulp
JP49029249A JPS5117605B2 (fr) 1973-03-16 1974-03-15
BR1996/74A BR7401996D0 (pt) 1973-03-16 1974-03-15 Processo para branqueamento de polpa de lignocelulose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA166,552A CA992265A (en) 1973-03-16 1973-03-16 Bleaching of lignocellulosic pulp

Publications (1)

Publication Number Publication Date
CA992265A true CA992265A (en) 1976-07-06

Family

ID=4096142

Family Applications (1)

Application Number Title Priority Date Filing Date
CA166,552A Expired CA992265A (en) 1973-03-16 1973-03-16 Bleaching of lignocellulosic pulp

Country Status (5)

Country Link
JP (1) JPS5117605B2 (fr)
AU (1) AU477047B2 (fr)
BR (1) BR7401996D0 (fr)
CA (1) CA992265A (fr)
ZA (1) ZA74951B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61289193A (ja) * 1985-06-14 1986-12-19 神崎製紙株式会社 パルプの漂白方法

Also Published As

Publication number Publication date
JPS49125607A (fr) 1974-12-02
BR7401996D0 (pt) 1974-11-05
AU477047B2 (en) 1976-10-14
JPS5117605B2 (fr) 1976-06-03
AU6523874A (en) 1975-08-07
ZA74951B (en) 1975-01-29

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