JPS5730438B2 - - Google Patents
Info
- Publication number
- JPS5730438B2 JPS5730438B2 JP10694078A JP10694078A JPS5730438B2 JP S5730438 B2 JPS5730438 B2 JP S5730438B2 JP 10694078 A JP10694078 A JP 10694078A JP 10694078 A JP10694078 A JP 10694078A JP S5730438 B2 JPS5730438 B2 JP S5730438B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7801813A SE420329C (sv) | 1978-02-16 | 1978-02-16 | Forfarande for framstellning av slipmassa vid overtryck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54111589A JPS54111589A (en) | 1979-08-31 |
| JPS5730438B2 true JPS5730438B2 (US08197722-20120612-C00042.png) | 1982-06-29 |
Family
ID=20334010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10694078A Granted JPS54111589A (en) | 1978-02-16 | 1978-08-30 | Method of making pulp |
Country Status (12)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE422088B (sv) * | 1978-11-24 | 1982-02-15 | Mo Och Domsjoe Ab | Forfarande for framstellning av slipmassa av lignocellolusahaltiga material |
| SE433954B (sv) * | 1980-03-25 | 1984-06-25 | Mo Och Domsjoe Ab | Forfarande och anordning for reduktion av vid framstellning av slipmassa fran vedstockar i stenslipverk uppkomna grovre vedrester och spetor jemte reglering av massans freeness |
| SE445051B (sv) * | 1980-04-10 | 1986-05-26 | Sca Development Ab | Sett vid tillverkning av mekanisk, i huvudsak hartsfri cellulosamassa |
| SE434069B (sv) * | 1980-07-09 | 1984-07-02 | Mo Och Domsjoe Ab | Forfarande for framstellning av slipmassa |
| FI61531C (fi) * | 1980-11-18 | 1982-08-10 | Tampella Oy Ab | Foerfarande foer foerbaettring av efteranvaendningen av vid tilverkningsprocessen foer slipmassa altstrad vaermeenergi |
| SE451606B (sv) * | 1982-09-14 | 1987-10-19 | Sca Development Ab | Sett vid blekning av hogutbytesmassor medelst peroxider |
| ZA837927B (en) * | 1983-05-23 | 1985-01-30 | Process Evaluation Devel | Thermomechanical digestion process using bleachants |
| US4798652A (en) * | 1987-10-19 | 1989-01-17 | Peter Joyce | Peroxide bleaching of mechanical pulps |
| DE3823837A1 (de) * | 1988-07-14 | 1990-01-18 | Feldmuehle Ag | Verfahren zum herstellen von holzschliff |
| WO1997032077A1 (en) * | 1996-02-27 | 1997-09-04 | Tetra Laval Holding & Finance S.A. | Process for sanitizing post-consumer paper fibers and product formed therefrom |
| FI116575B (sv) * | 2004-06-28 | 2005-12-30 | Pom Technology Oy Ab | Förfarande och anordning vid pappersmaskin |
| SE0602476L (sv) * | 2006-11-22 | 2007-08-21 | Metso Fiber Karlstad Ab | Metod för att återvinna värmeenergi från svartlut |
| FI20215862A1 (en) * | 2021-08-17 | 2023-02-18 | Metsae Board Oyj | Process, uses thereof, pulp composition and system |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2413583A (en) * | 1945-08-11 | 1946-12-31 | St Regis Paper Co | Bleaching of groundwood |
| SE318178B (US08197722-20120612-C00042.png) * | 1963-03-15 | 1969-12-01 | Anglo Paper Prod Ltd | |
| AT244996B (de) * | 1963-08-26 | 1966-02-10 | Voith Gmbh J M | Wirbelabscheider |
| SE341322B (US08197722-20120612-C00042.png) * | 1968-04-02 | 1971-12-20 | Defibrator Ab | |
| US3808090A (en) * | 1970-10-01 | 1974-04-30 | F Luhde | Mechanical abrasion of wood particles in the presence of water and in an inert gaseous atmosphere |
| BE792031A (fr) * | 1971-12-14 | 1973-03-16 | Mo Och Domsjoe Ab | Procede pour la preparation de pulpes mecaniques |
| US4029543A (en) * | 1971-12-14 | 1977-06-14 | Mo Och Domsjo | Mechanically freeing wood fibers in the presence of spent peroxide bleaching liquor |
| SE7317565L (US08197722-20120612-C00042.png) * | 1973-12-28 | 1975-06-30 | Selander Stig Daniel | |
| SE413684C (sv) * | 1974-09-23 | 1987-05-18 | Mo Och Domsjoe Ab | Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 % |
| SE403916B (sv) * | 1975-06-04 | 1978-09-11 | Rolf Bertil Reinhall | Anordning vid malapparater for lignocellulosahaltigt material |
| SE413784B (sv) * | 1976-08-06 | 1980-06-23 | Isel Sa | Sett och anordning for att utnyttja i defibreringszonen utvecklat verme for att minimera angforbrukningen vid framstellning av massa for fiberskivor |
-
1978
- 1978-02-16 SE SE7801813A patent/SE420329C/sv not_active IP Right Cessation
- 1978-07-19 GB GB7830360A patent/GB2014625B/en not_active Expired
- 1978-07-28 NO NO782600A patent/NO148783C/no unknown
- 1978-07-31 NZ NZ188013A patent/NZ188013A/xx unknown
- 1978-08-07 FI FI782415A patent/FI69881C/fi not_active IP Right Cessation
- 1978-08-07 AU AU38694/78A patent/AU502062B1/en not_active Expired
- 1978-08-09 FR FR7823497A patent/FR2417581A1/fr active Granted
- 1978-08-09 DE DE2834909A patent/DE2834909B2/de active Granted
- 1978-08-30 JP JP10694078A patent/JPS54111589A/ja active Granted
- 1978-08-31 BR BR7805664A patent/BR7805664A/pt unknown
- 1978-10-25 US US05/954,715 patent/US4207140A/en not_active Expired - Lifetime
- 1978-10-26 CA CA314,427A patent/CA1074608A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO148783B (no) | 1983-09-05 |
| NZ188013A (en) | 1981-05-01 |
| NO148783C (no) | 1983-12-14 |
| DE2834909C3 (US08197722-20120612-C00042.png) | 1989-02-02 |
| AU502062B1 (en) | 1979-07-12 |
| DE2834909B2 (de) | 1979-12-13 |
| GB2014625A (en) | 1979-08-30 |
| FI782415A (fi) | 1979-08-17 |
| SE420329B (sv) | 1981-09-28 |
| SE7801813L (sv) | 1979-08-17 |
| FI69881B (fi) | 1985-12-31 |
| US4207140A (en) | 1980-06-10 |
| FR2417581B1 (US08197722-20120612-C00042.png) | 1982-05-14 |
| BR7805664A (pt) | 1979-09-25 |
| GB2014625B (en) | 1982-04-07 |
| NO782600L (no) | 1979-08-17 |
| DE2834909A1 (de) | 1979-08-23 |
| CA1074608A (en) | 1980-04-01 |
| SE420329C (sv) | 1984-10-15 |
| JPS54111589A (en) | 1979-08-31 |
| FI69881C (fi) | 1986-05-26 |
| FR2417581A1 (fr) | 1979-09-14 |
