FI70442B - Foerfarande vid framstaellning av mekaniska massor - Google Patents

Foerfarande vid framstaellning av mekaniska massor Download PDF

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Publication number
FI70442B
FI70442B FI770625A FI770625A FI70442B FI 70442 B FI70442 B FI 70442B FI 770625 A FI770625 A FI 770625A FI 770625 A FI770625 A FI 770625A FI 70442 B FI70442 B FI 70442B
Authority
FI
Finland
Prior art keywords
pulp
mechanical
water
rearing
frequency
Prior art date
Application number
FI770625A
Other languages
English (en)
Finnish (fi)
Other versions
FI770625A (de
Inventor
Nicolai Soteland
Original Assignee
Papirind Forskningsinst
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 Papirind Forskningsinst filed Critical Papirind Forskningsinst
Publication of FI770625A publication Critical patent/FI770625A/fi
Application granted granted Critical
Publication of FI70442B publication Critical patent/FI70442B/fi

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
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/38—Conserving the finely-divided cellulosic material
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14—Making cellulose wadding, filter or blotting paper

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Pressure Sensors (AREA)
  • Air Bags (AREA)
FI770625A 1976-02-27 1977-02-25 Foerfarande vid framstaellning av mekaniska massor FI70442B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO760666 1976-02-27
NO760666A NO760666L (no) 1976-02-27 1976-02-27 Fremgangsm}te ved fremstilling av mekaniske masser.

Publications (2)

Publication Number Publication Date
FI770625A FI770625A (de) 1977-08-28
FI70442B true FI70442B (fi) 1986-03-27

Family

ID=19882745

Family Applications (1)

Application Number Title Priority Date Filing Date
FI770625A FI70442B (fi) 1976-02-27 1977-02-25 Foerfarande vid framstaellning av mekaniska massor

Country Status (14)

Country Link
JP (1) JPS52124901A (de)
AT (1) AT358917B (de)
AU (1) AU510167B2 (de)
BE (1) BE851814A (de)
CA (1) CA1103413A (de)
DE (1) DE2707273C2 (de)
DK (1) DK86477A (de)
FI (1) FI70442B (de)
FR (1) FR2342366A1 (de)
GB (1) GB1572519A (de)
IT (1) IT1072075B (de)
NL (1) NL7702142A (de)
NO (1) NO760666L (de)
SE (1) SE439938B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8002027L (sv) * 1980-03-14 1981-09-15 Sunds Defibrator Sett att i samband med tillverkningen av termomekaniska massa forbettra dennas absorptionsegenskaper
AU5088885A (en) * 1985-11-29 1987-06-04 Gippsland Institute of Advanced Education, The The production of hard compact carbonaceous material through water/acid/alkali treatment
US4976819A (en) * 1988-04-28 1990-12-11 Potlatch Corporation Pulp treatment methods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454534A (en) * 1940-08-03 1948-11-23 Wood Conversion Co Process for defibering lignocellulose while subjected to steam and alkali-metal hydroxide
FR1199065A (fr) * 1958-06-10 1959-12-11 Saint Gobain Perfectionnement au raffinage de la pâte à papier
US3186899A (en) * 1962-09-11 1965-06-01 Minnesota And Outario Paper Co Groundwood pulp
BE792031A (fr) * 1971-12-14 1973-03-16 Mo Och Domsjoe Ab Procede pour la preparation de pulpes mecaniques
NO136583C (no) * 1974-09-12 1984-06-07 Papirind Forskningsinst Mekanisk tremasse med hoey absorpsjonshastighet, samt fremgangsmaate for fremstilling derav

Also Published As

Publication number Publication date
DE2707273A1 (de) 1977-09-01
NO760666L (no) 1977-08-30
NL7702142A (nl) 1977-08-30
AT358917B (de) 1980-10-10
ATA108277A (de) 1980-02-15
FI770625A (de) 1977-08-28
JPS52124901A (en) 1977-10-20
FR2342366B1 (de) 1982-03-05
DK86477A (da) 1977-08-28
FR2342366A1 (fr) 1977-09-23
CA1103413A (en) 1981-06-23
GB1572519A (en) 1980-07-30
IT1072075B (it) 1985-04-10
AU510167B2 (en) 1980-06-12
SE7702073L (sv) 1977-08-28
AU2261577A (en) 1978-08-31
SE439938B (sv) 1985-07-08
BE851814A (fr) 1977-06-16
DE2707273C2 (de) 1984-01-26

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Owner name: PAPIRINDUSTRIENS FORSKNINGSINSTITUTT