FI923798A - Foerfarande foer blekning av massa - Google Patents
Foerfarande foer blekning av massa Download PDFInfo
- Publication number
- FI923798A FI923798A FI923798A FI923798A FI923798A FI 923798 A FI923798 A FI 923798A FI 923798 A FI923798 A FI 923798A FI 923798 A FI923798 A FI 923798A FI 923798 A FI923798 A FI 923798A
- Authority
- FI
- Finland
- Prior art keywords
- massa
- foerfarande foer
- blekning
- foer blekning
- foerfarande
- 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
- 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
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3078159A JPH04240287A (ja) | 1991-01-21 | 1991-01-21 | パルプの漂白方法 |
PCT/JP1992/000027 WO1992013131A1 (fr) | 1991-01-21 | 1992-01-16 | Procede de blanchiment de pate a papier |
Publications (2)
Publication Number | Publication Date |
---|---|
FI923798A true FI923798A (fi) | 1992-08-24 |
FI923798A0 FI923798A0 (fi) | 1992-08-24 |
Family
ID=13654143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI923798A FI923798A0 (fi) | 1991-01-21 | 1992-08-24 | Foerfarande foer blekning av massa. |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPH04240287A (fi) |
AU (1) | AU647891B2 (fi) |
CA (1) | CA2076679A1 (fi) |
FI (1) | FI923798A0 (fi) |
SE (1) | SE9202592D0 (fi) |
WO (1) | WO1992013131A1 (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3262646B2 (ja) * | 1993-07-09 | 2002-03-04 | 日本製紙株式会社 | パルプの漂白方法 |
JPH0734396A (ja) * | 1993-07-15 | 1995-02-03 | Nippon Paper Ind Co Ltd | 積層板用原紙 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5468402A (en) * | 1977-11-09 | 1979-06-01 | Kogyo Gijutsuin | Property modification of biochemical pulp |
US4690895A (en) * | 1985-07-15 | 1987-09-01 | Repligen Corporation | Use of rLDM™ 1-6 and other ligninolytic enzymes in the bleaching of kraft pulp |
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 |
ZA894239B (en) * | 1988-06-08 | 1990-03-28 | Int Paper Co | Enzymatic delignification of lignocellulosic material |
JPH02118191A (ja) * | 1988-10-26 | 1990-05-02 | Jujo Paper Co Ltd | 製紙用機械パルプの製造方法及び紙の製造方法 |
DE68914112T2 (de) * | 1988-11-23 | 1994-08-04 | Sandoz Ag | Benutzung von Enzymen von Aureobasidium Pullulans für das Bleichen von Zellstoff. |
EP0373108A3 (en) * | 1988-11-23 | 1992-03-04 | Sandoz Ag | Process for bleaching pulp |
US5179021A (en) * | 1989-02-10 | 1993-01-12 | Gil Inc. (Now Ici Canada Inc.) | Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment |
JPH02259180A (ja) * | 1989-03-29 | 1990-10-19 | Kobe Steel Ltd | 微生物処理によるパルプの製造方法 |
FI86896B (fi) * | 1989-05-04 | 1992-07-15 | Enso Gutzeit Oy | Foerfarande foer blekning av cellulosamassa. |
ZA904441B (en) * | 1989-06-22 | 1991-03-27 | Int Paper Co | Enzymatic delignification of lignocellulosic material |
FI92414B (fi) * | 1989-11-27 | 1994-07-29 | Enso Gutzeit Oy | Menetelmä massan valmistamiseksi |
JPH03220388A (ja) * | 1990-01-19 | 1991-09-27 | Kobe Steel Ltd | パルプの製造法 |
JPH03269188A (ja) * | 1990-03-16 | 1991-11-29 | Oji Paper Co Ltd | アルカリパルプの漂白方法 |
-
1991
- 1991-01-21 JP JP3078159A patent/JPH04240287A/ja active Pending
-
1992
- 1992-01-16 AU AU11688/92A patent/AU647891B2/en not_active Ceased
- 1992-01-16 WO PCT/JP1992/000027 patent/WO1992013131A1/ja active Application Filing
- 1992-01-16 CA CA002076679A patent/CA2076679A1/en not_active Abandoned
- 1992-08-24 FI FI923798A patent/FI923798A0/fi not_active Application Discontinuation
- 1992-08-31 SE SE9202592A patent/SE9202592D0/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE9202592L (sv) | 1992-09-09 |
AU1168892A (en) | 1992-08-27 |
AU647891B2 (en) | 1994-03-31 |
WO1992013131A1 (fr) | 1992-08-06 |
CA2076679A1 (en) | 1992-07-22 |
SE9202592D0 (sv) | 1992-09-09 |
FI923798A0 (fi) | 1992-08-24 |
JPH04240287A (ja) | 1992-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |