CA1051246A - Method of producing mechanical pulp - Google Patents

Method of producing mechanical pulp

Info

Publication number
CA1051246A
CA1051246A CA246,370A CA246370A CA1051246A CA 1051246 A CA1051246 A CA 1051246A CA 246370 A CA246370 A CA 246370A CA 1051246 A CA1051246 A CA 1051246A
Authority
CA
Canada
Prior art keywords
chips
alkali
impregnated
solution
raw material
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
CA246,370A
Other languages
English (en)
French (fr)
Inventor
Bo Ahrel
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.)
Alf SA
Original Assignee
Alf SA
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 Alf SA filed Critical Alf SA
Application granted granted Critical
Publication of CA1051246A publication Critical patent/CA1051246A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
CA246,370A 1975-02-24 1976-02-23 Method of producing mechanical pulp Expired CA1051246A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7502060A SE7502060L (sv) 1975-02-24 1975-02-24 Sett vid framstellning av mekanisk pappersmassa

Publications (1)

Publication Number Publication Date
CA1051246A true CA1051246A (en) 1979-03-27

Family

ID=20323781

Family Applications (1)

Application Number Title Priority Date Filing Date
CA246,370A Expired CA1051246A (en) 1975-02-24 1976-02-23 Method of producing mechanical pulp

Country Status (8)

Country Link
JP (1) JPS51109302A (nl)
BR (1) BR7601137A (nl)
CA (1) CA1051246A (nl)
DE (1) DE2606718C3 (nl)
FI (1) FI760469A (nl)
FR (1) FR2301630A1 (nl)
NO (1) NO760586L (nl)
SE (1) SE7502060L (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI61215B (fi) * 1976-11-23 1982-02-26 Defibrator Ab Saett och anordning att kontinuerligt framstaella lignocellulosahaltiga fibermaterial
FR2566015B1 (fr) * 1984-06-15 1986-08-29 Centre Tech Ind Papier Procede de blanchiment de pate mecanique par le peroxyde d'hydrogene
SE8501246L (sv) * 1985-03-13 1986-09-14 Eka Ab Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering
DE10114341C2 (de) * 2001-03-23 2003-10-02 Rettenmaier & Soehne Gmbh & Co Verfahren zum Vermahlen und Bleichen von cellulosehaltigem Material, dessen Verwendung und das cellulosehaltige Material
DE102019008449A1 (de) * 2019-12-05 2021-06-10 Klingele Papierwerke Gmbh & Co. Kg Verfahren sowie Vorrichtung zur Herstellung von Faserstoff mit einem Zuführsystem und einem Schneckensystem

Also Published As

Publication number Publication date
JPS51109302A (nl) 1976-09-28
BR7601137A (pt) 1976-09-14
FI760469A (nl) 1976-08-25
FR2301630A1 (fr) 1976-09-17
DE2606718C3 (de) 1978-10-05
DE2606718B2 (de) 1978-01-26
DE2606718A1 (de) 1976-09-02
FR2301630B3 (nl) 1978-11-10
NO760586L (nl) 1976-08-25
SE7502060L (sv) 1976-08-25

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