FR2298642A1 - Production de pate a papier mecanique blanchie a - Google Patents

Production de pate a papier mecanique blanchie a

Info

Publication number
FR2298642A1
FR2298642A1 FR7601510A FR7601510A FR2298642A1 FR 2298642 A1 FR2298642 A1 FR 2298642A1 FR 7601510 A FR7601510 A FR 7601510A FR 7601510 A FR7601510 A FR 7601510A FR 2298642 A1 FR2298642 A1 FR 2298642A1
Authority
FR
France
Prior art keywords
stage
brightness
bleaching
high strength
pulp
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.)
Granted
Application number
FR7601510A
Other languages
English (en)
French (fr)
Other versions
FR2298642B1 (sv
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.)
Elektrokemiska AB
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
Publication of FR2298642A1 publication Critical patent/FR2298642A1/fr
Application granted granted Critical
Publication of FR2298642B1 publication Critical patent/FR2298642B1/fr
Granted 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)
FR7601510A 1975-01-27 1976-01-21 Production de pate a papier mecanique blanchie a Granted FR2298642A1 (fr)

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
FR2298642A1 true FR2298642A1 (fr) 1976-08-20
FR2298642B1 FR2298642B1 (sv) 1981-10-23

Family

ID=20323502

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7601510A Granted FR2298642A1 (fr) 1975-01-27 1976-01-21 Production de pate a papier mecanique blanchie a

Country Status (7)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE452346C (sv) * 1982-12-17 1990-03-26 Sunds Defibrator Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg
FR2661430B1 (fr) * 1990-04-30 1992-07-17 Atochem Procede de blanchiment au peroxyde d'hydrogene de pates a papier a haut rendement.
FR2661431B1 (fr) * 1990-04-30 1992-07-17 Atochem Procede de blanchiment au peroxyde de l'hydrogene de pates a papier a haut rendement.
WO2003008703A1 (en) 2001-07-19 2003-01-30 Andritz Inc. Four stage alkaline peroxide mechanical pulping
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2005384A1 (sv) * 1968-04-02 1969-12-12 Defibrator Ab
FR2165529A5 (sv) * 1971-12-14 1973-08-03 Mo Och Domsjoe Ab
US9069309B2 (en) * 2013-03-29 2015-06-30 Brother Kogyo Kabushiki Kaisha Fixing device

Family Cites Families (2)

* 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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2005384A1 (sv) * 1968-04-02 1969-12-12 Defibrator Ab
FR2165529A5 (sv) * 1971-12-14 1973-08-03 Mo Och Domsjoe Ab
US9069309B2 (en) * 2013-03-29 2015-06-30 Brother Kogyo Kabushiki Kaisha Fixing device

Also Published As

Publication number Publication date
IT1053387B (it) 1981-08-31
SE7500843L (sv) 1976-07-28
DE2601380C2 (de) 1984-03-15
FR2298642B1 (sv) 1981-10-23
FI760103A (sv) 1976-07-28
SE387977B (sv) 1976-09-20
CA1078558A (en) 1980-06-03
DE2601380A1 (de) 1976-07-29
NO760232L (sv) 1976-07-28

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