FR2298642A1 - Production de pate a papier mecanique blanchie a - Google Patents
Production de pate a papier mecanique blanchie aInfo
- 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
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)
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)
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)
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)
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 |
-
1975
- 1975-01-27 SE SE7500843A patent/SE387977B/sv unknown
- 1975-12-24 CA CA242,593A patent/CA1078558A/en not_active Expired
-
1976
- 1976-01-15 DE DE2601380A patent/DE2601380C2/de not_active Expired
- 1976-01-19 FI FI760103A patent/FI760103A/fi not_active Application Discontinuation
- 1976-01-20 IT IT47704/76A patent/IT1053387B/it active
- 1976-01-21 FR FR7601510A patent/FR2298642A1/fr active Granted
- 1976-01-26 NO NO760232A patent/NO760232L/no unknown
Patent Citations (6)
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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