SE8106326L - Forfarande for framstellning av cellulosamassa av ved enligt sulfatmetoden - Google Patents

Forfarande for framstellning av cellulosamassa av ved enligt sulfatmetoden

Info

Publication number
SE8106326L
SE8106326L SE8106326A SE8106326A SE8106326L SE 8106326 L SE8106326 L SE 8106326L SE 8106326 A SE8106326 A SE 8106326A SE 8106326 A SE8106326 A SE 8106326A SE 8106326 L SE8106326 L SE 8106326L
Authority
SE
Sweden
Prior art keywords
wood
range
nitrogen oxide
cellulosamass
preparing
Prior art date
Application number
SE8106326A
Other languages
Unknown language ( )
English (en)
Other versions
SE450393B (sv
Inventor
H O Samuelson
E O S Hegglund
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
Priority to SE8106326A priority Critical patent/SE450393B/sv
Priority to AU88717/82A priority patent/AU552494B2/en
Priority to FI823559A priority patent/FI70266C/fi
Priority to JP57186662A priority patent/JPS5881691A/ja
Priority to AT0390882A priority patent/AT378378B/de
Priority to CA000414223A priority patent/CA1180512A/en
Priority to DE19823239608 priority patent/DE3239608A1/de
Priority to NO823564A priority patent/NO160384C/no
Priority to US06/436,864 priority patent/US4750973A/en
Priority to FR8217974A priority patent/FR2515223B1/fr
Priority to NZ202296A priority patent/NZ202296A/en
Publication of SE8106326L publication Critical patent/SE8106326L/sv
Publication of SE450393B publication Critical patent/SE450393B/sv

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)
SE8106326A 1981-10-27 1981-10-27 Forfarande for behandling av ved med kveveoxider och syrgas fore sulfatkokning SE450393B (sv)

Priority Applications (11)

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
AU88717/82A AU552494B2 (en) 1981-10-27 1982-09-27 Producing cellulose pulp from wood using sulphate method
FI823559A FI70266C (fi) 1981-10-27 1982-10-18 Foerfarande foer framstaellning av cellulosamassa av ved enligt sulfatmetoden
JP57186662A JPS5881691A (ja) 1981-10-27 1982-10-22 サルフエ−ト法によつて木材からセルロ−スパルプを製造する方法
AT0390882A AT378378B (de) 1981-10-27 1982-10-25 Verfahren zur herstellung von zellulosemassen aus holz nach der sulfatmethode
CA000414223A CA1180512A (en) 1981-10-27 1982-10-26 Process for reducing carbohydrate losses in the sulfate pulping of wood by pretreating the wood with oxygen and nitrogen oxides
DE19823239608 DE3239608A1 (de) 1981-10-27 1982-10-26 Verfahren zur herstellung von zellulosepulpe
NO823564A NO160384C (no) 1981-10-27 1982-10-26 Fremgangsmaate ved fremstilling av cellulosemasse av ved ifoelge sulfatmetoden.
US06/436,864 US4750973A (en) 1981-10-27 1982-10-26 Process for reducing carbohydrate losses in the sulfate pulping of wood by pretreating the wood with oxygen and nitrogen oxides
FR8217974A FR2515223B1 (fr) 1981-10-27 1982-10-27 Procede de fabrication de pate cellulosique en partant de bois selon le procede au sulfate
NZ202296A NZ202296A (en) 1981-10-27 1982-10-27 Pretreatment of wood prior to sulphate cooking for manufacture of cellulose pulp

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE8106326L true SE8106326L (sv) 1983-04-28
SE450393B SE450393B (sv) 1987-06-22

Family

ID=20344889

Family Applications (1)

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

Country Status (11)

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

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 (sv) * 1994-09-19 2001-12-03 Kvaerner Pulping Oy En metod för att avlägsna kväveoksid från cellulosafabrikens rökgaser
US6569285B2 (en) * 2000-02-09 2003-05-27 Akzo Nobel N.V. Process for gas phase pretreating of lignocellulosic containing material
AU779711B2 (en) * 2000-02-09 2005-02-10 Akzo Nobel N.V. Pulping process
CA2452145A1 (en) * 2003-06-03 2004-12-03 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 (sv) *
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
NO823564L (no) 1983-04-28
FI70266B (fi) 1986-02-28
FR2515223B1 (fr) 1986-08-22
DE3239608A1 (de) 1983-05-05
FI70266C (fi) 1986-09-15
ATA390882A (de) 1984-12-15
NO160384C (no) 1989-04-12
FI823559L (fi) 1983-04-28
DE3239608C2 (sv) 1989-10-19
NZ202296A (en) 1986-01-24
SE450393B (sv) 1987-06-22
AU552494B2 (en) 1986-06-05
JPS5881691A (ja) 1983-05-17
CA1180512A (en) 1985-01-08
JPH028074B2 (sv) 1990-02-22
AT378378B (de) 1985-07-25
FR2515223A1 (fr) 1983-04-29
FI823559A0 (fi) 1982-10-18
NO160384B (no) 1989-01-02
US4750973A (en) 1988-06-14
AU8871782A (en) 1983-05-05

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