FI902229A0 - Metod och anlaeggning foer produktion av hoegutbytesmassa utgaoende fraon lignocellulosa innehaollande flismaterial. - Google Patents
Metod och anlaeggning foer produktion av hoegutbytesmassa utgaoende fraon lignocellulosa innehaollande flismaterial.Info
- Publication number
- FI902229A0 FI902229A0 FI902229A FI902229A FI902229A0 FI 902229 A0 FI902229 A0 FI 902229A0 FI 902229 A FI902229 A FI 902229A FI 902229 A FI902229 A FI 902229A FI 902229 A0 FI902229 A0 FI 902229A0
- Authority
- FI
- Finland
- Prior art keywords
- utgaoende
- lignocellulosa
- hoegutbytesmassa
- flismaterial
- fraon
- Prior art date
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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8704310A SE462287B (sv) | 1987-11-04 | 1987-11-04 | Foerfarande och anlaeggning foer framstaellning av hoegutbytesmassor ur lignocellulosamateial |
PCT/SE1988/000596 WO1989004394A1 (en) | 1987-11-04 | 1988-11-04 | Method and plant for producing high-grade pulp from chip material containing lignocellulose |
Publications (1)
Publication Number | Publication Date |
---|---|
FI902229A0 true FI902229A0 (fi) | 1990-05-03 |
Family
ID=20370113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI902229A FI902229A0 (fi) | 1987-11-04 | 1990-05-03 | Metod och anlaeggning foer produktion av hoegutbytesmassa utgaoende fraon lignocellulosa innehaollande flismaterial. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5164042A (sv) |
EP (1) | EP0386082A1 (sv) |
FI (1) | FI902229A0 (sv) |
SE (1) | SE462287B (sv) |
WO (1) | WO1989004394A1 (sv) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ248884A (en) * | 1993-10-07 | 1995-10-26 | Convertech Group Ltd | Hydrolysis and/or drying of biological material with steam |
NZ248895A (en) * | 1993-10-08 | 1995-07-26 | Convertech Group Ltd | Transfer device having intermittently rotated carousel having through passageways with assembly sealing pressure maximised during rotor dwell periods |
US6325890B1 (en) * | 1996-10-25 | 2001-12-04 | Andritz-Ahlstrom Inc. | Feeding comminuted fibrous material |
US5753075A (en) * | 1996-10-25 | 1998-05-19 | Stromberg; C. Bertil | Method and system for feeding comminuted fibrous material |
US6106668A (en) * | 1996-10-25 | 2000-08-22 | Ahlstrom Machinery Inc. | Method for feeding comminuted fibrous material |
US6306248B1 (en) | 1997-11-20 | 2001-10-23 | The University Of Alabama In Huntsville | Method for transforming diverse pulp and paper products into a homogenous cellulosic feedstock |
US11655588B2 (en) * | 2017-05-24 | 2023-05-23 | Valmet Ab | System and chip chute for feeding comminuted cellulosic material |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2858213A (en) * | 1956-04-20 | 1958-10-28 | Condi Engineering Corp | Wood chip digestion |
US3165436A (en) * | 1961-09-11 | 1965-01-12 | Lummus Co | Continuous impregnating and pulping process |
US3303088A (en) * | 1963-04-19 | 1967-02-07 | Lummus Co | Continuous liquid-phase rapid pulping |
US3525665A (en) * | 1965-10-22 | 1970-08-25 | Lummus Co | Method of transferring impregnated wood chips from an impregnating vessel to a digester |
US4190490A (en) * | 1974-04-03 | 1980-02-26 | Domtar Inc. | Impregnation and digestion of wood chips |
US4187141A (en) * | 1975-02-24 | 1980-02-05 | Alf Societe Anonyme | Method of producing bleached mechanical pulp |
SE451202C (sv) * | 1981-04-03 | 1989-04-17 | Ole Axelson | Foerfarande foer framstaellning av kemimekanisk massa |
SE8501246L (sv) * | 1985-03-13 | 1986-09-14 | Eka Ab | Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering |
-
1987
- 1987-11-04 SE SE8704310A patent/SE462287B/sv not_active IP Right Cessation
-
1988
- 1988-11-04 WO PCT/SE1988/000596 patent/WO1989004394A1/en not_active Application Discontinuation
- 1988-11-04 US US07/784,735 patent/US5164042A/en not_active Expired - Fee Related
- 1988-11-04 EP EP88909843A patent/EP0386082A1/en not_active Ceased
-
1990
- 1990-05-03 FI FI902229A patent/FI902229A0/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US5164042A (en) | 1992-11-17 |
EP0386082A1 (en) | 1990-09-12 |
WO1989004394A1 (en) | 1989-05-18 |
SE462287B (sv) | 1990-05-28 |
SE8704310L (sv) | 1989-05-05 |
SE8704310D0 (sv) | 1987-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed | ||
FD | Application lapsed |
Owner name: CELLECO AB |