NO982228L - N°ytral monoperoksysulfatbleking - Google Patents
N°ytral monoperoksysulfatblekingInfo
- Publication number
- NO982228L NO982228L NO982228A NO982228A NO982228L NO 982228 L NO982228 L NO 982228L NO 982228 A NO982228 A NO 982228A NO 982228 A NO982228 A NO 982228A NO 982228 L NO982228 L NO 982228L
- Authority
- NO
- Norway
- Prior art keywords
- bleaching
- monoperoxysulfate
- external
- delignification
- pulp
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/572,147 US5770011A (en) | 1995-11-17 | 1995-11-17 | Neutral monoperoxysulfate bleaching process |
PCT/US1996/018617 WO1997019222A1 (fr) | 1995-11-17 | 1996-11-15 | Blanchiment au moyen de monoperoxysulfate neutre |
Publications (2)
Publication Number | Publication Date |
---|---|
NO982228D0 NO982228D0 (no) | 1998-05-15 |
NO982228L true NO982228L (no) | 1998-07-15 |
Family
ID=24286550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO982228A NO982228L (no) | 1995-11-17 | 1998-05-15 | N°ytral monoperoksysulfatbleking |
Country Status (5)
Country | Link |
---|---|
US (1) | US5770011A (fr) |
EP (1) | EP0861348A4 (fr) |
AU (1) | AU715023B2 (fr) |
NO (1) | NO982228L (fr) |
WO (1) | WO1997019222A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6059927A (en) * | 1997-09-23 | 2000-05-09 | Queen's University At Kingston | Method of reducing brightness reversion and yellowness (B*) of bleached mechanical wood pulps |
US20070062661A1 (en) * | 2005-09-16 | 2007-03-22 | Boettcher Jennifer A | Process for repulping wet-strength broke |
JP4967451B2 (ja) * | 2006-05-17 | 2012-07-04 | 三菱瓦斯化学株式会社 | 漂白パルプの製造方法 |
MX2022003094A (es) | 2019-09-11 | 2022-04-11 | Nicoventures Trading Ltd | Metodos alternativos para blanquear el tabaco. |
US12063953B2 (en) | 2019-09-11 | 2024-08-20 | Nicoventures Trading Limited | Method for whitening tobacco |
US11937626B2 (en) | 2020-09-04 | 2024-03-26 | Nicoventures Trading Limited | Method for whitening tobacco |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE572175A (fr) * | 1957-10-31 | |||
US3645840A (en) * | 1971-01-19 | 1972-02-29 | Atlantic Richfield Co | Method for peroxide bleaching of pulp |
DE3005947B1 (de) * | 1980-02-16 | 1981-01-29 | Degussa | Verfahren zur Bleiche von Zellstoffen mittels organischer Persaeure |
US4475984A (en) * | 1981-08-17 | 1984-10-09 | International Paper Co. | Process for pretreating wood chips with monoperoxy sulfuric acid or its salts prior to alkaline pulping |
US4404061A (en) * | 1981-08-17 | 1983-09-13 | International Paper Company | Bleaching of lignocellulosic materials with monopersulfuric acid or its salts |
US4793898A (en) * | 1985-02-22 | 1988-12-27 | Oy Keskuslaboratorio - Centrallaboratorium Ab | Process for bleaching organic peroxyacid cooked material with an alkaline solution of hydrogen peroxide |
US4756800A (en) * | 1986-09-03 | 1988-07-12 | The United States Of America As Represented By The Secretary Of Agriculture | Method for producing salts of monoperoxysulfuric acid and simultaneously bleaching pulp |
US5004523A (en) * | 1989-03-30 | 1991-04-02 | The United States Of America As Represented By The Secretary Of Agriculture | Delignification of lignocellulosic materials with monoperoxysulfuric acid |
US5246543A (en) * | 1989-08-18 | 1993-09-21 | Degussa Corporation | Process for bleaching and delignification of lignocellulosic materials |
US5091054A (en) * | 1989-08-18 | 1992-02-25 | Degussa Corporation | Process for bleaching and delignification of lignocellulosic |
AU636173B2 (en) * | 1989-10-30 | 1993-04-22 | Lenzing Aktiengesellschaft | Method for the chlorine-free bleaching of pulps |
BE1004974A3 (fr) * | 1991-06-06 | 1993-03-09 | Interox Internat Sa | Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam. |
ATE146833T1 (de) * | 1992-11-27 | 1997-01-15 | Eka Chemicals Ab | Verfahren zur deligrifizierung von lignocellulosehaltigem zellstoff |
EP0681625A4 (fr) * | 1993-02-01 | 1997-03-12 | Solvay Interox | Procede ameliore et composition de delignification d'un materiau lignocellulosique. |
US5656130A (en) * | 1995-04-28 | 1997-08-12 | Union Camp Holding, Inc. | Ambient temperature pulp bleaching with peroxyacid salts |
-
1995
- 1995-11-17 US US08/572,147 patent/US5770011A/en not_active Expired - Fee Related
-
1996
- 1996-11-15 AU AU10566/97A patent/AU715023B2/en not_active Ceased
- 1996-11-15 EP EP96941414A patent/EP0861348A4/fr not_active Withdrawn
- 1996-11-15 WO PCT/US1996/018617 patent/WO1997019222A1/fr not_active Application Discontinuation
-
1998
- 1998-05-15 NO NO982228A patent/NO982228L/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO982228D0 (no) | 1998-05-15 |
WO1997019222A1 (fr) | 1997-05-29 |
EP0861348A4 (fr) | 1999-01-13 |
AU1056697A (en) | 1997-06-11 |
US5770011A (en) | 1998-06-23 |
EP0861348A1 (fr) | 1998-09-02 |
AU715023B2 (en) | 2000-01-13 |
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