SE387977B - Sett att framstella blekt, mekanisk massa med hog styrka och ljushet - Google Patents

Sett att framstella blekt, mekanisk massa med hog styrka och ljushet

Info

Publication number
SE387977B
SE387977B SE7500843A SE7500843A SE387977B SE 387977 B SE387977 B SE 387977B SE 7500843 A SE7500843 A SE 7500843A SE 7500843 A SE7500843 A SE 7500843A SE 387977 B SE387977 B SE 387977B
Authority
SE
Sweden
Prior art keywords
brightness
way
high strength
mechanical pulp
produce bleach
Prior art date
Application number
SE7500843A
Other languages
English (en)
Swedish (sv)
Other versions
SE7500843L (sv
Inventor
J E Hook
Original Assignee
Elektrokemiska 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 Elektrokemiska Ab filed Critical Elektrokemiska Ab
Priority to SE7500843A priority Critical patent/SE387977B/xx
Priority to CA242,593A priority patent/CA1078558A/en
Priority to DE2601380A priority patent/DE2601380C2/de
Priority to FI760103A priority patent/FI760103A/fi
Priority to IT47704/76A priority patent/IT1053387B/it
Priority to FR7601510A priority patent/FR2298642A1/fr
Priority to NO760232A priority patent/NO760232L/no
Publication of SE7500843L publication Critical patent/SE7500843L/xx
Publication of SE387977B publication Critical patent/SE387977B/xx

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)
SE7500843A 1975-01-27 1975-01-27 Sett att framstella blekt, mekanisk massa med hog styrka och ljushet SE387977B (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE7500843A SE387977B (sv) 1975-01-27 1975-01-27 Sett att framstella blekt, mekanisk massa med hog styrka och ljushet
CA242,593A CA1078558A (en) 1975-01-27 1975-12-24 Process for producing bleached mechanical pulp having high strength and brightness and with low discharge of oxygen consuming substances
DE2601380A DE2601380C2 (de) 1975-01-27 1976-01-15 Verfahren zur Herstellung von gebleichter mechanischer Pulpe
FI760103A FI760103A (it) 1975-01-27 1976-01-19
IT47704/76A IT1053387B (it) 1975-01-27 1976-01-20 Perfezionamento nei procedimenti pr la produzione di pasta di cellulosa con effluente a bassa richiesta biologica di ossigeno
FR7601510A FR2298642A1 (fr) 1975-01-27 1976-01-21 Production de pate a papier mecanique blanchie a
NO760232A NO760232L (it) 1975-01-27 1976-01-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7500843A SE387977B (sv) 1975-01-27 1975-01-27 Sett att framstella blekt, mekanisk massa med hog styrka och ljushet

Publications (2)

Publication Number Publication Date
SE7500843L SE7500843L (sv) 1976-07-28
SE387977B true SE387977B (sv) 1976-09-20

Family

ID=20323502

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7500843A SE387977B (sv) 1975-01-27 1975-01-27 Sett att framstella blekt, mekanisk massa med hog styrka och ljushet

Country Status (7)

Country Link
CA (1) CA1078558A (it)
DE (1) DE2601380C2 (it)
FI (1) FI760103A (it)
FR (1) FR2298642A1 (it)
IT (1) IT1053387B (it)
NO (1) NO760232L (it)
SE (1) SE387977B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002366A1 (en) * 1982-12-17 1984-06-21 Svenska Traeforskningsinst Method of peroxide bleaching cellulose-containing material

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2661431B1 (fr) * 1990-04-30 1992-07-17 Atochem Procede de blanchiment au peroxyde de l'hydrogene de pates a papier a haut rendement.
FR2661430B1 (fr) * 1990-04-30 1992-07-17 Atochem Procede de blanchiment au peroxyde d'hydrogene de pates a papier a haut rendement.
CN1250811C (zh) 2001-07-19 2006-04-12 安德里兹有限公司 四步法碱性过氧化物机械制浆
US20040200586A1 (en) 2002-07-19 2004-10-14 Martin Herkel Four stage alkaline peroxide mechanical pulping
DE10234833A1 (de) * 2002-07-31 2004-02-12 Stora Enso Publication Paper Gmbh & Co. Kg Verfahren zum Aufschluss von Altholz

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR925243A (fr) * 1945-04-05 1947-08-28 St Regis Paper Co Perfectionnements apportés à la pâte blanchie de bois moulu et à ses procédés de fabrication
GB838893A (en) * 1957-04-05 1960-06-22 Degussa A process for the production of mechanical wood pulp and newsprint produced therefrom
FR1204356A (fr) * 1957-04-05 1960-01-26 Degussa Procédé de fabrication de pâte de bois mécanique
GB846232A (en) * 1958-01-14 1960-08-31 Hawailan Dev Company Ltd Improvements in and relating to paper-making pulp
FR1277371A (fr) * 1960-10-19 1961-12-01 Papeteries De Clairefontaine Procédé et appareillage pour la fabrication de pâte à papier à partir de déchets de scierie
SE341322B (it) * 1968-04-02 1971-12-20 Defibrator Ab
BE792031A (fr) * 1971-12-14 1973-03-16 Mo Och Domsjoe Ab Procede pour la preparation de pulpes mecaniques
JP2014197074A (ja) * 2013-03-29 2014-10-16 ブラザー工業株式会社 定着装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002366A1 (en) * 1982-12-17 1984-06-21 Svenska Traeforskningsinst Method of peroxide bleaching cellulose-containing material

Also Published As

Publication number Publication date
DE2601380C2 (de) 1984-03-15
FI760103A (it) 1976-07-28
SE7500843L (sv) 1976-07-28
FR2298642B1 (it) 1981-10-23
FR2298642A1 (fr) 1976-08-20
CA1078558A (en) 1980-06-03
IT1053387B (it) 1981-08-31
DE2601380A1 (de) 1976-07-29
NO760232L (it) 1976-07-28

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