CA1016708A - Procede de digestion alcaline de matieres cellulosiques - Google Patents

Procede de digestion alcaline de matieres cellulosiques

Info

Publication number
CA1016708A
CA1016708A CA185,164A CA185164A CA1016708A CA 1016708 A CA1016708 A CA 1016708A CA 185164 A CA185164 A CA 185164A CA 1016708 A CA1016708 A CA 1016708A
Authority
CA
Canada
Prior art keywords
cellulosic material
method related
alkaline digestion
digestion
alkaline
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
Application number
CA185,164A
Other languages
English (en)
Other versions
CA185164S (en
Inventor
Inga Backstrom
Nils Hartler
Knut P. Kringstad
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.)
Svenska Traforskningsinstitutet
Original Assignee
Svenska Traforskningsinstitutet
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 Svenska Traforskningsinstitutet filed Critical Svenska Traforskningsinstitutet
Application granted granted Critical
Publication of CA1016708A publication Critical patent/CA1016708A/fr
Expired 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CA185,164A 1972-12-11 1973-11-06 Procede de digestion alcaline de matieres cellulosiques Expired CA1016708A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7216130A SE384544B (sv) 1972-12-11 1972-12-11 Sett vid alkalisk uppslutning av cellulosahaltigt material

Publications (1)

Publication Number Publication Date
CA1016708A true CA1016708A (fr) 1977-09-06

Family

ID=20301770

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,164A Expired CA1016708A (fr) 1972-12-11 1973-11-06 Procede de digestion alcaline de matieres cellulosiques

Country Status (6)

Country Link
US (1) US3937647A (fr)
JP (1) JPS5117601B2 (fr)
CA (1) CA1016708A (fr)
FI (1) FI55224C (fr)
NO (1) NO135150C (fr)
SE (1) SE384544B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4239906A (en) * 1979-06-07 1980-12-16 Standard Brands Incorporated Method for obtaining a purified cellulose product from corn hulls
SE447554B (sv) * 1985-04-04 1986-11-24 Simonson Rune G W Forfarande vid tillverkning av produkter innehallande trespan
US6468390B1 (en) * 1998-08-24 2002-10-22 Kvaerner Pulping Ab Method for continuous cooking of lignocellulosic fiber material
US6245196B1 (en) 1999-02-02 2001-06-12 Praxair Technology, Inc. Method and apparatus for pulp yield enhancement
US7815741B2 (en) * 2006-11-03 2010-10-19 Olson David A Reactor pump for catalyzed hydrolytic splitting of cellulose
US7815876B2 (en) * 2006-11-03 2010-10-19 Olson David A Reactor pump for catalyzed hydrolytic splitting of cellulose
SE531632C2 (sv) 2007-12-20 2009-06-09 Metso Fiber Karlstad Ab Förfarande vid tillverkning av sulfatmassa där hemicellulosor återförs

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1859888A (en) * 1927-02-02 1932-05-24 Brown Co Process of regenerating spent alkaline liquor to fresh acid cooking liquor
US2167556A (en) * 1936-03-18 1939-07-25 Stacom Process Corp Recovery of lignin from natural cellulose compounds
US2686120A (en) * 1952-01-14 1954-08-10 Ontario Paper Co Ltd Alkaline pulping of lignocellulose in the presence of oxygen to produce pulp, vanillin, and other oxidation products of lignin substance
US2976273A (en) * 1958-09-10 1961-03-21 West Virginia Pulp & Paper Co Treatment of kraft black liquor and product
US3428520A (en) * 1965-08-12 1969-02-18 Scott Paper Co Pulping process with lignin recovery
US3806403A (en) * 1972-03-27 1974-04-23 Nyanza Inc Process for treating black liquor to precipitate organic materials therefrom

Also Published As

Publication number Publication date
JPS5117601B2 (fr) 1976-06-03
FI55224C (fi) 1979-06-11
US3937647A (en) 1976-02-10
JPS5046904A (fr) 1975-04-26
NO135150B (fr) 1976-11-08
FI55224B (fi) 1979-02-28
SE384544B (sv) 1976-05-10
NO135150C (fr) 1977-02-16

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