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CA1301412C - Methode d'activation de materiau lignocellulosique avec un gaz contenant du dioxyde d'azote - Google Patents

Methode d'activation de materiau lignocellulosique avec un gaz contenant du dioxyde d'azote

Info

Publication number
CA1301412C
CA1301412C CA000577358A CA577358A CA1301412C CA 1301412 C CA1301412 C CA 1301412C CA 000577358 A CA000577358 A CA 000577358A CA 577358 A CA577358 A CA 577358A CA 1301412 C CA1301412 C CA 1301412C
Authority
CA
Canada
Prior art keywords
gas
oxygen
absorption solution
lignocellulosic material
cellulose pulp
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA000577358A
Other languages
English (en)
Inventor
Hans Olof Samuelson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo 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 Domsjo AB filed Critical Mo och Domsjo AB
Application granted granted Critical
Publication of CA1301412C publication Critical patent/CA1301412C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
CA000577358A 1987-09-28 1988-09-14 Methode d'activation de materiau lignocellulosique avec un gaz contenant du dioxyde d'azote Expired - Fee Related CA1301412C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8703718-0 1987-09-28
SE8703718A SE460543B (sv) 1987-09-28 1987-09-28 Foerfarande vid aktivering av lignocellulosamaterial med kvaevedioxid innehaallande gas

Publications (1)

Publication Number Publication Date
CA1301412C true CA1301412C (fr) 1992-05-26

Family

ID=20369679

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000577358A Expired - Fee Related CA1301412C (fr) 1987-09-28 1988-09-14 Methode d'activation de materiau lignocellulosique avec un gaz contenant du dioxyde d'azote

Country Status (12)

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

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 (fr) 1989-04-05
NO884279D0 (no) 1988-09-27
JP2510424B2 (ja) 1996-06-26
EP0309998A3 (fr) 1991-07-17
EP0309998B1 (fr) 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
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
FI93231C (fi) 1995-03-10
NO172698C (no) 1993-08-25

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Legal Events

Date Code Title Description
MKLA Lapsed