FI70266C - Foerfarande foer framstaellning av cellulosamassa av ved enligt sulfatmetoden - Google Patents

Foerfarande foer framstaellning av cellulosamassa av ved enligt sulfatmetoden Download PDF

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Publication number
FI70266C
FI70266C FI823559A FI823559A FI70266C FI 70266 C FI70266 C FI 70266C FI 823559 A FI823559 A FI 823559A FI 823559 A FI823559 A FI 823559A FI 70266 C FI70266 C FI 70266C
Authority
FI
Finland
Prior art keywords
wood
oxygen
fed
suitably
nitrogen oxides
Prior art date
Application number
FI823559A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI823559A0 (fi
FI823559L (fi
FI70266B (fi
Inventor
Hans Olof Samuelson
Erik Olof Sture Haegglund
Original Assignee
Mo Och Domsjoe Ab
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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Publication of FI823559A0 publication Critical patent/FI823559A0/fi
Publication of FI823559L publication Critical patent/FI823559L/fi
Application granted granted Critical
Publication of FI70266B publication Critical patent/FI70266B/fi
Publication of FI70266C publication Critical patent/FI70266C/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting

Landscapes

  • Paper (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
FI823559A 1981-10-27 1982-10-18 Foerfarande foer framstaellning av cellulosamassa av ved enligt sulfatmetoden FI70266C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8106326A SE450393B (sv) 1981-10-27 1981-10-27 Forfarande for behandling av ved med kveveoxider och syrgas fore sulfatkokning
SE8106326 1981-10-27

Publications (4)

Publication Number Publication Date
FI823559A0 FI823559A0 (fi) 1982-10-18
FI823559L FI823559L (fi) 1983-04-28
FI70266B FI70266B (fi) 1986-02-28
FI70266C true FI70266C (fi) 1986-09-15

Family

ID=20344889

Family Applications (1)

Application Number Title Priority Date Filing Date
FI823559A FI70266C (fi) 1981-10-27 1982-10-18 Foerfarande foer framstaellning av cellulosamassa av ved enligt sulfatmetoden

Country Status (11)

Country Link
US (1) US4750973A (fr)
JP (1) JPS5881691A (fr)
AT (1) AT378378B (fr)
AU (1) AU552494B2 (fr)
CA (1) CA1180512A (fr)
DE (1) DE3239608A1 (fr)
FI (1) FI70266C (fr)
FR (1) FR2515223B1 (fr)
NO (1) NO160384C (fr)
NZ (1) NZ202296A (fr)
SE (1) SE450393B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5043488A (en) * 1990-03-12 1991-08-27 J. G. S. Research Company, Inc. Process for preparing an explosive and the product therefrom
FI96387C (fi) * 1994-09-19 2001-12-03 Kvaerner Pulping Oy Menetelmä typen oksidien poistamiseksi sellutehtaan savukaasuista
US6752904B2 (en) * 2000-02-09 2004-06-22 Akzo Nobel N.V. Process for removal of lignin from lignocellulosic material
CA2399723A1 (fr) * 2000-02-09 2001-08-16 Akzo Nobel N.V. Procede de reduction en pate
AU2003291874A1 (en) * 2003-06-03 2005-01-21 David Tarasenko Method for producing pulp and lignin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE204460C (fr) *
US2733992A (en) * 1956-02-07 reyerson
GB438436A (en) * 1934-05-16 1935-11-18 Henry Dreyfus Improvements in the production of cellulose and cellulosic products
US4076579A (en) * 1973-08-06 1978-02-28 The Regents Of The University Of California Pulping of lignocellulosic material by sequential treatment thereof with nitric oxide and oxygen
GB1505070A (en) * 1974-06-11 1978-03-22 Canadian Ind Process for bleaching of lignocellulosic material

Also Published As

Publication number Publication date
NZ202296A (en) 1986-01-24
JPS5881691A (ja) 1983-05-17
US4750973A (en) 1988-06-14
ATA390882A (de) 1984-12-15
AU552494B2 (en) 1986-06-05
AU8871782A (en) 1983-05-05
AT378378B (de) 1985-07-25
SE8106326L (sv) 1983-04-28
FR2515223B1 (fr) 1986-08-22
FI823559A0 (fi) 1982-10-18
CA1180512A (fr) 1985-01-08
FR2515223A1 (fr) 1983-04-29
DE3239608A1 (de) 1983-05-05
FI823559L (fi) 1983-04-28
FI70266B (fi) 1986-02-28
NO823564L (no) 1983-04-28
NO160384C (no) 1989-04-12
SE450393B (sv) 1987-06-22
JPH028074B2 (fr) 1990-02-22
DE3239608C2 (fr) 1989-10-19
NO160384B (no) 1989-01-02

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Owner name: MO OCH DOMSJOE AKTIEBOLAG