NZ192583A - Reduction of treatment-chemical transfer between pulp treatment stages - Google Patents

Reduction of treatment-chemical transfer between pulp treatment stages

Info

Publication number
NZ192583A
NZ192583A NZ192583A NZ19258380A NZ192583A NZ 192583 A NZ192583 A NZ 192583A NZ 192583 A NZ192583 A NZ 192583A NZ 19258380 A NZ19258380 A NZ 19258380A NZ 192583 A NZ192583 A NZ 192583A
Authority
NZ
New Zealand
Prior art keywords
treatment
reduction
pulp
chemical transfer
stages
Prior art date
Application number
NZ192583A
Other languages
English (en)
Inventor
M Meredith
L Edwards Jr
Scotter K Van
Original Assignee
Weyerhaeuser Co
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 Weyerhaeuser Co filed Critical Weyerhaeuser Co
Publication of NZ192583A publication Critical patent/NZ192583A/xx

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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • 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
    • D21C9/1073—Bleaching ; Apparatus therefor with O3

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NZ192583A 1979-01-11 1980-01-10 Reduction of treatment-chemical transfer between pulp treatment stages NZ192583A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US249279A 1979-01-11 1979-01-11

Publications (1)

Publication Number Publication Date
NZ192583A true NZ192583A (en) 1983-03-15

Family

ID=21701039

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ192583A NZ192583A (en) 1979-01-11 1980-01-10 Reduction of treatment-chemical transfer between pulp treatment stages

Country Status (8)

Country Link
JP (1) JPS5598991A (US06521211-20030218-C00004.png)
AU (1) AU527540B2 (US06521211-20030218-C00004.png)
CA (1) CA1123249A (US06521211-20030218-C00004.png)
FI (1) FI800080A (US06521211-20030218-C00004.png)
FR (1) FR2446354A1 (US06521211-20030218-C00004.png)
NO (1) NO800041L (US06521211-20030218-C00004.png)
NZ (1) NZ192583A (US06521211-20030218-C00004.png)
SE (1) SE8000250L (US06521211-20030218-C00004.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE426607B (sv) * 1982-03-29 1983-01-31 Kamyr Ab Sett att behandla en massasuspension som er i rorelse lengs en bana medelst fortrengning av massans suspensionsvetska med en eller flera ersettningsvetskor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1106842A (en) * 1965-01-25 1968-03-20 Electric Reduction Co Manufacture of cellulosic pulp
ZA761255B (en) * 1975-03-11 1977-03-30 Erco Envirotech Ltd Bleachplant operation
US4104114A (en) * 1977-05-05 1978-08-01 Erco Envirotech Ltd. Bleach plant operation

Also Published As

Publication number Publication date
NO800041L (no) 1980-07-14
JPS5598991A (en) 1980-07-28
CA1123249A (en) 1982-05-11
SE8000250L (sv) 1980-07-12
FR2446354A1 (fr) 1980-08-08
AU5456980A (en) 1980-07-17
FR2446354B1 (US06521211-20030218-C00004.png) 1984-10-12
FI800080A (fi) 1980-07-12
AU527540B2 (en) 1983-03-10

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