SE8000250L - Reduktion av kemikalieoverforingen mellan behandlingssteg - Google Patents

Reduktion av kemikalieoverforingen mellan behandlingssteg

Info

Publication number
SE8000250L
SE8000250L SE8000250A SE8000250A SE8000250L SE 8000250 L SE8000250 L SE 8000250L SE 8000250 A SE8000250 A SE 8000250A SE 8000250 A SE8000250 A SE 8000250A SE 8000250 L SE8000250 L SE 8000250L
Authority
SE
Sweden
Prior art keywords
washer
reduction
pulp
chemical transfer
treatment steps
Prior art date
Application number
SE8000250A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Inventor
M D Meredith
Jr L L Edwards
Scotter K T 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 SE8000250L publication Critical patent/SE8000250L/

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)
SE8000250A 1979-01-11 1980-01-11 Reduktion av kemikalieoverforingen mellan behandlingssteg SE8000250L (sv)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE8000250L true SE8000250L (sv) 1980-07-12

Family

ID=21701039

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8000250A SE8000250L (sv) 1979-01-11 1980-01-11 Reduktion av kemikalieoverforingen mellan behandlingssteg

Country Status (8)

Country Link
JP (1) JPS5598991A (da)
AU (1) AU527540B2 (da)
CA (1) CA1123249A (da)
FI (1) FI800080A (da)
FR (1) FR2446354A1 (da)
NO (1) NO800041L (da)
NZ (1) NZ192583A (da)
SE (1) SE8000250L (da)

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
FI800080A (fi) 1980-07-12
CA1123249A (en) 1982-05-11
AU527540B2 (en) 1983-03-10
AU5456980A (en) 1980-07-17
NZ192583A (en) 1983-03-15
FR2446354A1 (fr) 1980-08-08
NO800041L (no) 1980-07-14
JPS5598991A (en) 1980-07-28
FR2446354B1 (da) 1984-10-12

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