SE410018B - Forfarande for framstellning av cellulosamassa - Google Patents

Forfarande for framstellning av cellulosamassa

Info

Publication number
SE410018B
SE410018B SE7603582A SE7603582A SE410018B SE 410018 B SE410018 B SE 410018B SE 7603582 A SE7603582 A SE 7603582A SE 7603582 A SE7603582 A SE 7603582A SE 410018 B SE410018 B SE 410018B
Authority
SE
Sweden
Prior art keywords
cellulosa
procedure
mass
preparation
cellulosa mass
Prior art date
Application number
SE7603582A
Other languages
English (en)
Other versions
SE7603582L (sv
Inventor
L O Ioffe
V V Sergeeva
T K Vasilevskaya
V I Sorokin
Original Assignee
Vn Proizv Ob Celljuloszno
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 Vn Proizv Ob Celljuloszno filed Critical Vn Proizv Ob Celljuloszno
Priority to SE7603582A priority Critical patent/SE410018B/sv
Publication of SE7603582L publication Critical patent/SE7603582L/sv
Publication of SE410018B publication Critical patent/SE410018B/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
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
    • 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
    • D21C3/024—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes with NH3 or H2O
    • 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
    • D21C3/26—Multistage processes
    • D21C3/263—Multistage processes at least one stage being in presence of oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
SE7603582A 1976-03-24 1976-03-24 Forfarande for framstellning av cellulosamassa SE410018B (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE7603582A SE410018B (sv) 1976-03-24 1976-03-24 Forfarande for framstellning av cellulosamassa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7603582A SE410018B (sv) 1976-03-24 1976-03-24 Forfarande for framstellning av cellulosamassa

Publications (2)

Publication Number Publication Date
SE7603582L SE7603582L (sv) 1977-09-25
SE410018B true SE410018B (sv) 1979-09-17

Family

ID=20327379

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7603582A SE410018B (sv) 1976-03-24 1976-03-24 Forfarande for framstellning av cellulosamassa

Country Status (1)

Country Link
SE (1) SE410018B (sv)

Also Published As

Publication number Publication date
SE7603582L (sv) 1977-09-25

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