FI48486C - Menetelmä kuitumassan valkaisemiseksi. - Google Patents

Menetelmä kuitumassan valkaisemiseksi.

Info

Publication number
FI48486C
FI48486C FI730185A FI18573A FI48486C FI 48486 C FI48486 C FI 48486C FI 730185 A FI730185 A FI 730185A FI 18573 A FI18573 A FI 18573A FI 48486 C FI48486 C FI 48486C
Authority
FI
Finland
Prior art keywords
bleaching
pulp
Prior art date
Application number
FI730185A
Other languages
English (en)
Swedish (sv)
Other versions
FI48486B (fi
Inventor
Frey Viking Sundman
Original Assignee
Ahlstroem Oy
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 Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI730185A priority Critical patent/FI48486C/fi
Priority to SE7400744A priority patent/SE412423B/xx
Priority to JP49010876A priority patent/JPS5140164B2/ja
Application granted granted Critical
Publication of FI48486B publication Critical patent/FI48486B/fi
Publication of FI48486C publication Critical patent/FI48486C/fi

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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI730185A 1973-01-24 1973-01-24 Menetelmä kuitumassan valkaisemiseksi. FI48486C (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI730185A FI48486C (fi) 1973-01-24 1973-01-24 Menetelmä kuitumassan valkaisemiseksi.
SE7400744A SE412423B (sv) 1973-01-24 1974-01-21 Foerfarande foer blekning av fibermassa med en syreinnehallande gas
JP49010876A JPS5140164B2 (fi) 1973-01-24 1974-01-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI730185A FI48486C (fi) 1973-01-24 1973-01-24 Menetelmä kuitumassan valkaisemiseksi.

Publications (2)

Publication Number Publication Date
FI48486B FI48486B (fi) 1974-07-01
FI48486C true FI48486C (fi) 1977-07-29

Family

ID=8503733

Family Applications (1)

Application Number Title Priority Date Filing Date
FI730185A FI48486C (fi) 1973-01-24 1973-01-24 Menetelmä kuitumassan valkaisemiseksi.

Country Status (3)

Country Link
JP (1) JPS5140164B2 (fi)
FI (1) FI48486C (fi)
SE (1) SE412423B (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1249904A (en) * 1984-07-27 1989-02-14 Lawrence A. Carlsmith Oxygen alkali extraction of cellulosic pulp

Also Published As

Publication number Publication date
JPS49101603A (fi) 1974-09-26
SE412423B (sv) 1980-03-03
FI48486B (fi) 1974-07-01
JPS5140164B2 (fi) 1976-11-01

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