NO155497C - Fremgangsmaate ved fremstilling av papirmasse. - Google Patents

Fremgangsmaate ved fremstilling av papirmasse.

Info

Publication number
NO155497C
NO155497C NO802063A NO802063A NO155497C NO 155497 C NO155497 C NO 155497C NO 802063 A NO802063 A NO 802063A NO 802063 A NO802063 A NO 802063A NO 155497 C NO155497 C NO 155497C
Authority
NO
Norway
Prior art keywords
procedure
paper preparation
paper
preparation
Prior art date
Application number
NO802063A
Other languages
English (en)
Other versions
NO802063L (no
NO155497B (no
Inventor
Hans Norrstroem
Kristina Idner
Rolf Andersson
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
Publication of NO802063L publication Critical patent/NO802063L/no
Publication of NO155497B publication Critical patent/NO155497B/no
Publication of NO155497C publication Critical patent/NO155497C/no

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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Materials For Medical Uses (AREA)
NO802063A 1979-07-10 1980-07-09 Fremgangsmaate ved fremstilling av papirmasse. NO155497C (no)

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 (3)

Publication Number Publication Date
NO802063L NO802063L (no) 1981-01-12
NO155497B NO155497B (no) 1986-12-29
NO155497C true NO155497C (no) 1987-04-08

Family

ID=20338485

Family Applications (1)

Application Number Title Priority Date Filing Date
NO802063A NO155497C (no) 1979-07-10 1980-07-09 Fremgangsmaate ved fremstilling av papirmasse.

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
FI75373C (fi) 1988-06-09
FI802163A (fi) 1981-01-11
SE7905990L (sv) 1981-01-11
US4534397A (en) 1985-08-13
FI75373B (fi) 1988-02-29
CA1137802A (en) 1982-12-21
BR8004269A (pt) 1981-01-27
NO802063L (no) 1981-01-12
NO155497B (no) 1986-12-29

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