FI55224B - Saett vid alkalisk uppslutning av cellulosahaltigt material - Google Patents

Saett vid alkalisk uppslutning av cellulosahaltigt material

Info

Publication number
FI55224B
FI55224B FI3705/73A FI370573A FI55224B FI 55224 B FI55224 B FI 55224B FI 3705/73 A FI3705/73 A FI 3705/73A FI 370573 A FI370573 A FI 370573A FI 55224 B FI55224 B FI 55224B
Authority
FI
Finland
Prior art keywords
uppslutning
alkalisk
saett
vidal
cellulosahaltigt
Prior art date
Application number
FI3705/73A
Other languages
English (en)
Other versions
FI55224C (fi
Inventor
Inga Linderholm Backstroem
Nils Hartler
Knut Paul Kringstad
Original Assignee
Svenska Traeforskningsinst
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 Traeforskningsinst filed Critical Svenska Traeforskningsinst
Publication of FI55224B publication Critical patent/FI55224B/fi
Application granted granted Critical
Publication of FI55224C publication Critical patent/FI55224C/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
    • 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)
FI3705/73A 1972-12-11 1973-12-03 Saett vid alkalisk uppslutning av cellulosahaltigt material FI55224C (fi)

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 (2)

Publication Number Publication Date
FI55224B true FI55224B (fi) 1979-02-28
FI55224C FI55224C (fi) 1979-06-11

Family

ID=20301770

Family Applications (1)

Application Number Title Priority Date Filing Date
FI3705/73A FI55224C (fi) 1972-12-11 1973-12-03 Saett vid alkalisk uppslutning av cellulosahaltigt material

Country Status (6)

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

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
SE9802844D0 (sv) * 1998-08-24 1998-08-24 Kvaerner Pulping Tech Method for continuous cooking of lignocellulosic fibre 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
US3937647A (en) 1976-02-10
CA1016708A (en) 1977-09-06
NO135150C (fi) 1977-02-16
JPS5046904A (fi) 1975-04-26
JPS5117601B2 (fi) 1976-06-03
NO135150B (fi) 1976-11-08
FI55224C (fi) 1979-06-11
SE384544B (sv) 1976-05-10

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