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FI93231C - Menettelytapa lignoselluloosamateriaalin aktivoimiseksi typpidioksidia sisältävällä kaasulla - Google Patents

Menettelytapa lignoselluloosamateriaalin aktivoimiseksi typpidioksidia sisältävällä kaasulla Download PDF

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Publication number
FI93231C
FI93231C FI884432A FI884432A FI93231C FI 93231 C FI93231 C FI 93231C FI 884432 A FI884432 A FI 884432A FI 884432 A FI884432 A FI 884432A FI 93231 C FI93231 C FI 93231C
Authority
FI
Finland
Prior art keywords
gas
oxygen
absorption solution
activation
lignocellulosic material
Prior art date
Application number
FI884432A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI884432A (fi
FI93231B (fi
FI884432A0 (fi
Inventor
Hans Olof Samuelson
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 FI884432A0 publication Critical patent/FI884432A0/fi
Publication of FI884432A publication Critical patent/FI884432A/fi
Publication of FI93231B publication Critical patent/FI93231B/fi
Application granted granted Critical
Publication of FI93231C publication Critical patent/FI93231C/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
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
FI884432A 1987-09-28 1988-09-27 Menettelytapa lignoselluloosamateriaalin aktivoimiseksi typpidioksidia sisältävällä kaasulla FI93231C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8703718A SE460543B (sv) 1987-09-28 1987-09-28 Foerfarande vid aktivering av lignocellulosamaterial med kvaevedioxid innehaallande gas
SE8703718 1987-09-28

Publications (4)

Publication Number Publication Date
FI884432A0 FI884432A0 (fi) 1988-09-27
FI884432A FI884432A (fi) 1989-03-29
FI93231B FI93231B (fi) 1994-11-30
FI93231C true FI93231C (fi) 1995-03-10

Family

ID=20369679

Family Applications (1)

Application Number Title Priority Date Filing Date
FI884432A FI93231C (fi) 1987-09-28 1988-09-27 Menettelytapa lignoselluloosamateriaalin aktivoimiseksi typpidioksidia sisältävällä kaasulla

Country Status (12)

Country Link
EP (1) EP0309998B1 (no)
JP (1) JP2510424B2 (no)
AT (1) ATE101886T1 (no)
AU (1) AU605913B2 (no)
CA (1) CA1301412C (no)
DE (1) DE3887948T2 (no)
ES (1) ES2049234T3 (no)
FI (1) FI93231C (no)
NO (1) NO172698C (no)
NZ (1) NZ226104A (no)
SE (1) SE460543B (no)
ZA (1) ZA887229B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9200183L (sv) * 1992-01-23 1993-07-24 Kamyr Ab Avskiljningsanordning samt foerfarande

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165253A (en) * 1978-07-20 1979-08-21 Ivanov Mikhail A Process for producing pulp
SE421938B (sv) * 1980-06-05 1982-02-08 Mo Och Domsjoe Ab Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning
SE451023B (sv) * 1985-12-10 1987-08-24 Mo Och Domsjoe Ab Forfarande vid aktivering av lignocellulosamaterial med kvevedioxid innehallande gas

Also Published As

Publication number Publication date
NO884279L (no) 1989-03-29
EP0309998A2 (en) 1989-04-05
NO884279D0 (no) 1988-09-27
JP2510424B2 (ja) 1996-06-26
EP0309998A3 (en) 1991-07-17
EP0309998B1 (en) 1994-02-23
AU2283288A (en) 1989-04-06
NZ226104A (en) 1990-05-28
SE460543B (sv) 1989-10-23
ATE101886T1 (de) 1994-03-15
NO172698B (no) 1993-05-18
FI884432A (fi) 1989-03-29
FI93231B (fi) 1994-11-30
DE3887948D1 (de) 1994-03-31
AU605913B2 (en) 1991-01-24
ZA887229B (en) 1989-06-28
ES2049234T3 (es) 1994-04-16
CA1301412C (en) 1992-05-26
DE3887948T2 (de) 1994-08-18
JPH01104894A (ja) 1989-04-21
SE8703718L (sv) 1989-03-29
SE8703718D0 (sv) 1987-09-28
FI884432A0 (fi) 1988-09-27
NO172698C (no) 1993-08-25

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: MO OCH DOMSJOE AKTIEBOLAG