FI895676A0 - Menetelmä massan valmistamiseksi - Google Patents
Menetelmä massan valmistamiseksiInfo
- Publication number
- FI895676A0 FI895676A0 FI895676A FI895676A FI895676A0 FI 895676 A0 FI895676 A0 FI 895676A0 FI 895676 A FI895676 A FI 895676A FI 895676 A FI895676 A FI 895676A FI 895676 A0 FI895676 A0 FI 895676A0
- Authority
- FI
- Finland
- Prior art keywords
- making pulp
- pulp
- making
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI895676A FI92414B (fi) | 1989-11-27 | 1989-11-27 | Menetelmä massan valmistamiseksi |
CA 2030836 CA2030836A1 (en) | 1989-11-27 | 1990-11-26 | Procedure for the production of pulp |
EP19900850385 EP0430915A1 (en) | 1989-11-27 | 1990-11-26 | Procedure for the production pulp |
NO90905134A NO905134L (no) | 1989-11-27 | 1990-11-27 | Fremgangsmaate til fremstilling av mekanisk masse. |
JP32133990A JPH03174079A (ja) | 1989-11-27 | 1990-11-27 | パルプ製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI895676A FI92414B (fi) | 1989-11-27 | 1989-11-27 | Menetelmä massan valmistamiseksi |
Publications (3)
Publication Number | Publication Date |
---|---|
FI895676A0 true FI895676A0 (fi) | 1989-11-27 |
FI895676A FI895676A (fi) | 1991-05-28 |
FI92414B FI92414B (fi) | 1994-07-29 |
Family
ID=8529431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI895676A FI92414B (fi) | 1989-11-27 | 1989-11-27 | Menetelmä massan valmistamiseksi |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0430915A1 (fi) |
JP (1) | JPH03174079A (fi) |
CA (1) | CA2030836A1 (fi) |
FI (1) | FI92414B (fi) |
NO (1) | NO905134L (fi) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04240287A (ja) * | 1991-01-21 | 1992-08-27 | Kobe Steel Ltd | パルプの漂白方法 |
FI93230C (fi) * | 1991-03-22 | 1995-03-10 | Genencor Int Europ | Menetelmä mekaanisen massan pihkavaikeuksien vähentämiseksi |
FI914780A0 (fi) * | 1991-10-10 | 1991-10-10 | Valtion Teknillinen | Foerfarande foer entsymatisk behandling av lignocellulosahaltiga material, i synnerhet cellulosamassor. |
CA2082185C (en) * | 1991-11-26 | 2004-01-20 | Alexander R. Pokora | Protease catalyzed treatments of lignocellulose materials |
FI97733C (fi) * | 1992-07-17 | 1997-02-10 | Metsae Serla Oy | Mekaanisten massojen uusi käsittelytapa |
FI92500C (fi) * | 1993-03-03 | 1994-11-25 | Valtion Teknillinen | Menetelmä mekaanisen massan valmistamiseksi |
US5725732A (en) * | 1994-11-18 | 1998-03-10 | P. H. Glatfelter Company | Process for treating hardwood pulp with an enzyme mixture to reduce vessel element picking |
US5770012A (en) * | 1994-11-18 | 1998-06-23 | P. H. Glatfelter Co. | Process for treating paper machine stock containing bleached hardwood pulp with an enzyme mixture to reduce vessel element picking |
WO1997040194A1 (en) * | 1996-04-25 | 1997-10-30 | Union Camp Corporation | Improved method for biological pretreatment of wood chips |
US6939437B1 (en) | 1999-11-19 | 2005-09-06 | Buckman Laboratories International, Inc. | Paper making processes using enzyme and polymer combinations |
SE525872C2 (sv) * | 2002-09-06 | 2005-05-17 | Stora Enso Ab | Metod att tillverka mekanisk massa med reducerad energikonsumtion |
FI20031818A (fi) * | 2003-12-11 | 2005-06-12 | Valtion Teknillinen | Menetelmä mekaanisen massan valmistamiseksi |
US8945347B2 (en) | 2004-05-03 | 2015-02-03 | Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses | Method for mechanical pulp production |
WO2011044646A1 (en) | 2009-10-16 | 2011-04-21 | Aracruz Celulose S.A. | Process for producing differentiated cellulose fibers comprising an enzymatic treatment in association with an acid step |
FR2965570B1 (fr) * | 2010-09-30 | 2012-11-02 | Arjo Wiggins Fine Papers Ltd | Procede de raffinage en milieu enzymatique d'une pate papetiere comportant des fibres cellulosiques afin de reduire leur longueur |
US9145640B2 (en) | 2013-01-31 | 2015-09-29 | University Of New Brunswick | Enzymatic treatment of wood chips |
US9127401B2 (en) | 2013-01-31 | 2015-09-08 | University Of New Brunswick | Wood pulp treatment |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2557894B1 (fr) * | 1984-01-10 | 1986-12-12 | Centre Tech Ind Papier | Procede de traitement de pates papetieres par une solution enzymatique favorisant la fibrillation et pates ainsi traitees. |
DE3636208A1 (de) * | 1986-10-24 | 1988-05-05 | Call Hans Peter | Verfahren zur delignifizierung und bleichung von lignicellulosehaltigem bzw. ligninhaltigem material bzw. lignin durch enzymatische behandlung |
FI81394C (fi) * | 1988-07-22 | 1993-07-20 | Genencor Int Europ | Foerfarande foer behandling av massa med enzymer |
-
1989
- 1989-11-27 FI FI895676A patent/FI92414B/fi not_active Application Discontinuation
-
1990
- 1990-11-26 CA CA 2030836 patent/CA2030836A1/en not_active Abandoned
- 1990-11-26 EP EP19900850385 patent/EP0430915A1/en not_active Withdrawn
- 1990-11-27 NO NO90905134A patent/NO905134L/no unknown
- 1990-11-27 JP JP32133990A patent/JPH03174079A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NO905134L (no) | 1991-05-28 |
FI895676A (fi) | 1991-05-28 |
NO905134D0 (no) | 1990-11-27 |
CA2030836A1 (en) | 1991-05-28 |
EP0430915A1 (en) | 1991-06-05 |
JPH03174079A (ja) | 1991-07-29 |
FI92414B (fi) | 1994-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
FC | Application refused | ||
FC | Application refused |
Owner name: ENSO-GUTZEIT OY |