FI73012C - Foerfarande foer kokning av sulfitcellulosa. - Google Patents

Foerfarande foer kokning av sulfitcellulosa. Download PDF

Info

Publication number
FI73012C
FI73012C FI834358A FI834358A FI73012C FI 73012 C FI73012 C FI 73012C FI 834358 A FI834358 A FI 834358A FI 834358 A FI834358 A FI 834358A FI 73012 C FI73012 C FI 73012C
Authority
FI
Finland
Prior art keywords
cooking
chips
process according
solution
base
Prior art date
Application number
FI834358A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI834358A (fi
FI834358A0 (fi
FI73012B (fi
Inventor
Eero Sjoestroem
Pirkko Molkentin-Matilainen
Ermo Kaila
Simo Kuusela
Simo Hyvaerinen
Original Assignee
Serlachius 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 Serlachius Oy filed Critical Serlachius Oy
Publication of FI834358A0 publication Critical patent/FI834358A0/fi
Priority to FI834358A priority Critical patent/FI73012C/fi
Priority to DE19843440716 priority patent/DE3440716A1/de
Priority to HU421784A priority patent/HUT36873A/hu
Priority to SE8405984A priority patent/SE8405984L/
Priority to JP25036184A priority patent/JPS60134088A/ja
Priority to DD26993684A priority patent/DD229446A5/de
Priority to NO844740A priority patent/NO844740L/no
Priority to PL25063284A priority patent/PL145660B1/pl
Publication of FI834358A publication Critical patent/FI834358A/fi
Application granted granted Critical
Publication of FI73012B publication Critical patent/FI73012B/fi
Publication of FI73012C publication Critical patent/FI73012C/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes

Landscapes

  • Paper (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
FI834358A 1983-11-29 1983-11-29 Foerfarande foer kokning av sulfitcellulosa. FI73012C (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI834358A FI73012C (fi) 1983-11-29 1983-11-29 Foerfarande foer kokning av sulfitcellulosa.
DE19843440716 DE3440716A1 (de) 1983-11-29 1984-11-07 Verfahren fuer die herstellung von sulfitzellstoff
HU421784A HUT36873A (en) 1983-11-29 1984-11-13 Process for production of sulphite pulps
JP25036184A JPS60134088A (ja) 1983-11-29 1984-11-27 亜硫酸パルプの製造法
SE8405984A SE8405984L (sv) 1983-11-29 1984-11-27 Forfarande for framstellning av sulfitcellulosa
DD26993684A DD229446A5 (de) 1983-11-29 1984-11-27 Verfahren fuer die herstellung von sulfitzellstoff
NO844740A NO844740L (no) 1983-11-29 1984-11-28 Fremgangsmaate ved fremstilling av cellulosemasse
PL25063284A PL145660B1 (en) 1983-11-29 1984-11-29 Method of obtaining sulfite pulp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI834358 1983-11-29
FI834358A FI73012C (fi) 1983-11-29 1983-11-29 Foerfarande foer kokning av sulfitcellulosa.

Publications (4)

Publication Number Publication Date
FI834358A0 FI834358A0 (fi) 1983-11-29
FI834358A FI834358A (fi) 1985-05-30
FI73012B FI73012B (fi) 1987-04-30
FI73012C true FI73012C (fi) 1987-08-10

Family

ID=8518141

Family Applications (1)

Application Number Title Priority Date Filing Date
FI834358A FI73012C (fi) 1983-11-29 1983-11-29 Foerfarande foer kokning av sulfitcellulosa.

Country Status (8)

Country Link
JP (1) JPS60134088A (hu)
DD (1) DD229446A5 (hu)
DE (1) DE3440716A1 (hu)
FI (1) FI73012C (hu)
HU (1) HUT36873A (hu)
NO (1) NO844740L (hu)
PL (1) PL145660B1 (hu)
SE (1) SE8405984L (hu)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE62376C (de) * O. SCHMIDT in Berlin N., Weifsen-I burgerstr. 48 Verfahren zur Gewinnung von Zellstoff
DE527950C (de) * 1928-12-30 1931-06-24 I G Farbenindustrie Akt Ges Verfahren zur Gewinnung von Sulfitzellstoff

Also Published As

Publication number Publication date
HUT36873A (en) 1985-10-28
SE8405984L (sv) 1985-05-30
FI834358A (fi) 1985-05-30
JPS60134088A (ja) 1985-07-17
SE8405984D0 (sv) 1984-11-27
FI834358A0 (fi) 1983-11-29
DD229446A5 (de) 1985-11-06
NO844740L (no) 1985-05-30
FI73012B (fi) 1987-04-30
DE3440716A1 (de) 1985-06-05
PL145660B1 (en) 1988-10-31
PL250632A1 (en) 1985-07-16

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MM Patent lapsed

Owner name: METSAE-SERLA OY