AU8201275A - Bleaching of lignocellulosic material with nitrogen oxides - Google Patents

Bleaching of lignocellulosic material with nitrogen oxides

Info

Publication number
AU8201275A
AU8201275A AU82012/75A AU8201275A AU8201275A AU 8201275 A AU8201275 A AU 8201275A AU 82012/75 A AU82012/75 A AU 82012/75A AU 8201275 A AU8201275 A AU 8201275A AU 8201275 A AU8201275 A AU 8201275A
Authority
AU
Australia
Prior art keywords
bleaching
nitrogen oxides
lignocellulosic material
lignocellulosic
oxides
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
AU82012/75A
Other versions
AU486458B2 (en
Inventor
Edward Yethon Andrew
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
Application granted granted Critical
Publication of AU486458B2 publication Critical patent/AU486458B2/en
Publication of AU8201275A publication Critical patent/AU8201275A/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
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases
    • 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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AU82012/75A 1974-06-11 1975-06-11 Bleaching of lignocellulosic material with nitrogen oxides Expired AU486458B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB25845/74 1974-06-11
GB25845/74A GB1505070A (en) 1974-06-11 1974-06-11 Process for bleaching of lignocellulosic material

Publications (2)

Publication Number Publication Date
AU486458B2 AU486458B2 (en) 1976-12-16
AU8201275A true AU8201275A (en) 1976-12-16

Family

ID=

Also Published As

Publication number Publication date
FR2274729B1 (en) 1978-09-22
GB1505070A (en) 1978-03-22
DE2526084C2 (en) 1981-11-26
NO147761B (en) 1983-02-28
SE7506646L (en) 1975-12-12
FI751734A (en) 1975-12-12
NO752025L (en) 1975-12-12
JPS5132802A (en) 1976-03-19
BR7503680A (en) 1976-06-29
DE2526084A1 (en) 1976-01-02
JPS522003B2 (en) 1977-01-19
CA1045759A (en) 1979-01-09
FR2274729A1 (en) 1976-01-09
ES438433A1 (en) 1977-05-16
NO147761C (en) 1983-06-08

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