SE8601477L - Sett for behandling av mekanisk massa - Google Patents
Sett for behandling av mekanisk massaInfo
- Publication number
- SE8601477L SE8601477L SE8601477A SE8601477A SE8601477L SE 8601477 L SE8601477 L SE 8601477L SE 8601477 A SE8601477 A SE 8601477A SE 8601477 A SE8601477 A SE 8601477A SE 8601477 L SE8601477 L SE 8601477L
- Authority
- SE
- Sweden
- Prior art keywords
- reject fraction
- steam
- treatment
- carried out
- refining
- Prior art date
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
-
- 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
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
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)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8601477A SE8601477L (sv) | 1986-04-02 | 1986-04-02 | Sett for behandling av mekanisk massa |
JP50198387A JPH01501953A (ja) | 1986-04-02 | 1987-03-12 | 機械パルプを処理する方法 |
AU72018/87A AU7201887A (en) | 1986-04-02 | 1987-03-12 | Method of processing mechanical pulp |
PCT/SE1987/000124 WO1987005954A1 (en) | 1986-04-02 | 1987-03-12 | Method of processing mechanical pulp |
NO875001A NO875001D0 (no) | 1986-04-02 | 1987-12-01 | Fremgangsmaate for fremstilling av mekanisk masse. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8601477A SE8601477L (sv) | 1986-04-02 | 1986-04-02 | Sett for behandling av mekanisk massa |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8601477D0 SE8601477D0 (sv) | 1986-04-02 |
SE8601477L true SE8601477L (sv) | 1987-10-03 |
Family
ID=20364022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8601477A SE8601477L (sv) | 1986-04-02 | 1986-04-02 | Sett for behandling av mekanisk massa |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH01501953A (sv) |
AU (1) | AU7201887A (sv) |
SE (1) | SE8601477L (sv) |
WO (1) | WO1987005954A1 (sv) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5108909A (en) * | 1985-03-22 | 1992-04-28 | Chiron Corporation | Expression of TPA in mammalian cells |
US5423993A (en) * | 1993-08-06 | 1995-06-13 | John A. Boney | Fiber recovery system and process |
SE513790C2 (sv) | 1999-03-08 | 2000-11-06 | Mo Och Domsjoe Ab | Blekning av mekanisk massa med reducerande blekmedel |
US20080308239A1 (en) | 2007-06-12 | 2008-12-18 | Hart Peter W | Fiber blend having high yield and enhanced pulp performance and method for making same |
WO2008153565A1 (en) * | 2007-06-12 | 2008-12-18 | Meadwestvaco Corporation | A fiber blend having high yield and enhanced pulp performance and method for making same |
JP5729095B2 (ja) * | 2011-03-31 | 2015-06-03 | 日本製紙株式会社 | 広葉樹機械パルプの製造方法 |
CA2824076A1 (en) | 2012-08-21 | 2014-02-21 | University Of New Brunswick | System and method for reclaiming rejects in sulfite pulping |
SE540961C2 (en) * | 2016-05-23 | 2019-01-29 | Holmen Ab | Method of providing a paper fibre composition by combining chemical and mechanical pulping |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI61215B (fi) * | 1976-11-23 | 1982-02-26 | Defibrator Ab | Saett och anordning att kontinuerligt framstaella lignocellulosahaltiga fibermaterial |
SE422088B (sv) * | 1978-11-24 | 1982-02-15 | Mo Och Domsjoe Ab | Forfarande for framstellning av slipmassa av lignocellolusahaltiga material |
US4502918A (en) * | 1981-06-10 | 1985-03-05 | Macmillan Bloedel Limited | Two-stage chemical treatment of mechanical wood pulp with sodium sulfite |
-
1986
- 1986-04-02 SE SE8601477A patent/SE8601477L/sv not_active Application Discontinuation
-
1987
- 1987-03-12 WO PCT/SE1987/000124 patent/WO1987005954A1/en unknown
- 1987-03-12 JP JP50198387A patent/JPH01501953A/ja active Pending
- 1987-03-12 AU AU72018/87A patent/AU7201887A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JPH01501953A (ja) | 1989-07-06 |
WO1987005954A1 (en) | 1987-10-08 |
SE8601477D0 (sv) | 1986-04-02 |
AU7201887A (en) | 1987-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8601477-6 Effective date: 19880303 |