SE7905990L - Forfaringssett vid framstellning av pappersmassa i hogt utbyte - Google Patents

Forfaringssett vid framstellning av pappersmassa i hogt utbyte

Info

Publication number
SE7905990L
SE7905990L SE7905990A SE7905990A SE7905990L SE 7905990 L SE7905990 L SE 7905990L SE 7905990 A SE7905990 A SE 7905990A SE 7905990 A SE7905990 A SE 7905990A SE 7905990 L SE7905990 L SE 7905990L
Authority
SE
Sweden
Prior art keywords
treatment
pulp
liquid
procedures
paper pulp
Prior art date
Application number
SE7905990A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Inventor
H Norrstrom
R Andersson
K Idner
Original Assignee
Aga 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 Aga Ab filed Critical Aga Ab
Priority to SE7905990A priority Critical patent/SE7905990L/
Priority to FI802163A priority patent/FI75373C/fi
Priority to NO802063A priority patent/NO155497C/no
Priority to BR8004269A priority patent/BR8004269A/pt
Priority to CA000355883A priority patent/CA1137802A/en
Publication of SE7905990L publication Critical patent/SE7905990L/
Priority to US06/486,872 priority patent/US4534397A/en

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
    • 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
    • D21C3/026—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O2, e.g. air

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Materials For Medical Uses (AREA)
SE7905990A 1979-07-10 1979-07-10 Forfaringssett vid framstellning av pappersmassa i hogt utbyte SE7905990L (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE7905990A SE7905990L (sv) 1979-07-10 1979-07-10 Forfaringssett vid framstellning av pappersmassa i hogt utbyte
FI802163A FI75373C (fi) 1979-07-10 1980-07-07 Foerfaringssaett vid framstaellning av pappersmassa i hoegt utbyte.
NO802063A NO155497C (no) 1979-07-10 1980-07-09 Fremgangsmaate ved fremstilling av papirmasse.
BR8004269A BR8004269A (pt) 1979-07-10 1980-07-09 Processo para a producao de polpa com alto rendimento
CA000355883A CA1137802A (en) 1979-07-10 1980-07-10 Procedure for producing high yield pulp
US06/486,872 US4534397A (en) 1979-07-10 1983-04-20 Method for producing chemimechanical high yield pulp using an oxygen alkali treatment followed by an oxygen mechanical defibration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7905990A SE7905990L (sv) 1979-07-10 1979-07-10 Forfaringssett vid framstellning av pappersmassa i hogt utbyte

Publications (1)

Publication Number Publication Date
SE7905990L true SE7905990L (sv) 1981-01-11

Family

ID=20338485

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7905990A SE7905990L (sv) 1979-07-10 1979-07-10 Forfaringssett vid framstellning av pappersmassa i hogt utbyte

Country Status (6)

Country Link
US (1) US4534397A (no)
BR (1) BR8004269A (no)
CA (1) CA1137802A (no)
FI (1) FI75373C (no)
NO (1) NO155497C (no)
SE (1) SE7905990L (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE444825B (sv) * 1984-09-10 1986-05-12 Mo Och Domsjoe Ab Forfarande for framstellning av forbettrad hogutbytesmassa
FR2701274B1 (fr) * 1993-02-09 1995-03-31 Air Liquide Procédé de fabrication de pâtes à papier chimicothermomécaniques blanchies (CTMP).
SE500761C2 (sv) * 1993-02-09 1994-08-29 Aga Ab Sätt att framställa kemimekanisk massa varvid oxygen tillföres slipkammaren

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288288A (en) * 1979-06-15 1981-09-08 Weyerhaeuser Company Apparatus for mixing chemicals into pulp at a refiner inlet

Also Published As

Publication number Publication date
CA1137802A (en) 1982-12-21
BR8004269A (pt) 1981-01-27
NO155497C (no) 1987-04-08
FI75373C (fi) 1988-06-09
FI802163A (fi) 1981-01-11
FI75373B (fi) 1988-02-29
US4534397A (en) 1985-08-13
NO802063L (no) 1981-01-12
NO155497B (no) 1986-12-29

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