NO914169L - PROCEDURE AND DEVICE FOR DELIGNIFYING FIBROEST MATERIAL - Google Patents
PROCEDURE AND DEVICE FOR DELIGNIFYING FIBROEST MATERIALInfo
- Publication number
- NO914169L NO914169L NO91914169A NO914169A NO914169L NO 914169 L NO914169 L NO 914169L NO 91914169 A NO91914169 A NO 91914169A NO 914169 A NO914169 A NO 914169A NO 914169 L NO914169 L NO 914169L
- Authority
- NO
- Norway
- Prior art keywords
- fibroest
- delignifying
- procedure
- fibroest material
- delignifying fibroest
- 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
- 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
-
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63334790A | 1990-12-27 | 1990-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO914169D0 NO914169D0 (en) | 1991-10-23 |
| NO914169L true NO914169L (en) | 1992-06-29 |
Family
ID=24539279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO91914169A NO914169L (en) | 1990-12-27 | 1991-10-23 | PROCEDURE AND DEVICE FOR DELIGNIFYING FIBROEST MATERIAL |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0492039A1 (en) |
| JP (1) | JPH04245989A (en) |
| AU (1) | AU636766B2 (en) |
| BR (1) | BR9104366A (en) |
| CA (1) | CA2044907A1 (en) |
| FI (1) | FI915947A7 (en) |
| NO (1) | NO914169L (en) |
| ZA (1) | ZA915144B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5520783A (en) * | 1990-10-26 | 1996-05-28 | Union Camp Patent Holding, Inc. | Apparatus for bleaching high consistency pulp with ozone |
| CA2046717A1 (en) * | 1991-02-06 | 1992-08-07 | Beloit Technologies, Inc. | Method and apparatus for treating fibrous materials with a gaseous reagent |
| EP0515303B2 (en) * | 1991-05-24 | 2001-07-04 | Union Camp Patent Holding, Inc. | Method for ozone bleaching |
| SE9200183L (en) * | 1992-01-23 | 1993-07-24 | Kamyr Ab | SEPARATORY DEVICE AND PROCEDURE |
| US5944952A (en) * | 1995-07-26 | 1999-08-31 | Beloit Technologies, Inc. | Method for bleaching high consistency pulp with a gaseous bleaching reagent |
| EP0840820B1 (en) * | 1995-07-26 | 1999-04-28 | Beloit Technologies, Inc. | Method and apparatus for bleaching pulp with a gaseous bleaching reagent |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3814664A (en) * | 1972-09-11 | 1974-06-04 | Improved Machinery Inc | Gaseous reaction apparatus including a peripheral gas receiving chamber |
| FI67413C (en) * | 1977-04-27 | 1985-03-11 | Myrens Verksted As | FOERFARANDE FOER BEHANDLING AV FINFOERDELAD FIBERHALTIG ELLER CELLULOSAHALTIG MASS SAMT ANORDNING FOER UTFOERANDE AV FOERFARANDET |
| FR2620744A1 (en) * | 1987-09-17 | 1989-03-24 | Degremont | PROCESS FOR THE OZONE TREATMENT OF LIGNO-CELLULOSIC MATERIALS, IN PARTICULAR PAPER PULP AND REACTOR FOR THE IMPLEMENTATION OF SAID METHOD |
| AT395180B (en) * | 1989-08-16 | 1992-10-12 | Andritz Ag Maschf | METHOD FOR CRUSHING MATERIALS AND SYSTEM FOR IMPLEMENTING IT |
-
1991
- 1991-06-14 EP EP91109775A patent/EP0492039A1/en not_active Withdrawn
- 1991-06-18 CA CA002044907A patent/CA2044907A1/en not_active Abandoned
- 1991-06-18 AU AU79116/91A patent/AU636766B2/en not_active Ceased
- 1991-07-03 ZA ZA915144A patent/ZA915144B/en unknown
- 1991-09-24 JP JP3243410A patent/JPH04245989A/en not_active Withdrawn
- 1991-10-09 BR BR919104366A patent/BR9104366A/en not_active Application Discontinuation
- 1991-10-23 NO NO91914169A patent/NO914169L/en unknown
- 1991-12-18 FI FI915947A patent/FI915947A7/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU636766B2 (en) | 1993-05-06 |
| EP0492039A1 (en) | 1992-07-01 |
| FI915947A7 (en) | 1992-06-28 |
| BR9104366A (en) | 1992-08-18 |
| JPH04245989A (en) | 1992-09-02 |
| NO914169D0 (en) | 1991-10-23 |
| CA2044907A1 (en) | 1992-06-28 |
| ZA915144B (en) | 1992-05-27 |
| FI915947A0 (en) | 1991-12-18 |
| AU7911691A (en) | 1992-07-02 |
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