FI810182L - Ozonblekningsfoerfarande - Google Patents
OzonblekningsfoerfarandeInfo
- Publication number
- FI810182L FI810182L FI810182A FI810182A FI810182L FI 810182 L FI810182 L FI 810182L FI 810182 A FI810182 A FI 810182A FI 810182 A FI810182 A FI 810182A FI 810182 L FI810182 L FI 810182L
- Authority
- FI
- Finland
- Prior art keywords
- ozonblekningsfoerfarande
- 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
- D21C9/1073—Bleaching ; Apparatus therefor with O3
-
- 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
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 |
---|---|---|---|
US06/115,065 US4283251A (en) | 1980-01-24 | 1980-01-24 | Ozone effluent bleaching |
Publications (1)
Publication Number | Publication Date |
---|---|
FI810182L true FI810182L (fi) | 1981-07-25 |
Family
ID=22359106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI810182A FI810182L (fi) | 1980-01-24 | 1981-01-23 | Ozonblekningsfoerfarande |
Country Status (6)
Country | Link |
---|---|
US (1) | US4283251A (fr) |
BE (1) | BE887023A (fr) |
BR (1) | BR8100206A (fr) |
CA (1) | CA1137257A (fr) |
FI (1) | FI810182L (fr) |
SE (1) | SE450257B (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE451149B (sv) * | 1983-01-26 | 1987-09-07 | Mo Och Domsjoe Ab | Apparatur for kontinuerlig behandling av vatteninnehallande lignocellulosamaterial med kveveoxid och syre |
US5409570A (en) * | 1989-02-15 | 1995-04-25 | Union Camp Patent Holding, Inc. | Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone |
US5181989A (en) * | 1990-10-26 | 1993-01-26 | Union Camp Patent Holdings, Inc. | Reactor for bleaching high consistency pulp with ozone |
US5211811A (en) * | 1989-02-15 | 1993-05-18 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification |
US5472572A (en) * | 1990-10-26 | 1995-12-05 | Union Camp Patent Holding, Inc. | Reactor for bleaching high consistency pulp with ozone |
US5188708A (en) * | 1989-02-15 | 1993-02-23 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification followed by ozone relignification |
AU636173B2 (en) * | 1989-10-30 | 1993-04-22 | Lenzing Aktiengesellschaft | Method for the chlorine-free bleaching of pulps |
AT404740B (de) * | 1989-10-30 | 1999-02-25 | Chemiefaser Lenzing Ag | Verfahren zum chlorfreien bleichen von zellstoffen |
AT395028B (de) * | 1990-02-07 | 1992-08-25 | Chemiefaser Lenzing Ag | Verfahren zum chlorfreien bleichen von kunstfaserzellstoff |
US5164043A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
US5441603A (en) * | 1990-05-17 | 1995-08-15 | Union Camp Patent Holding, Inc. | Method for chelation of pulp prior to ozone delignification |
US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
US5174861A (en) * | 1990-10-26 | 1992-12-29 | Union Camp Patent Holdings, Inc. | Method of bleaching high consistency pulp with ozone |
US5520783A (en) * | 1990-10-26 | 1996-05-28 | Union Camp Patent Holding, Inc. | Apparatus for bleaching high consistency pulp with ozone |
DE4107354C1 (fr) * | 1991-03-08 | 1992-11-05 | Acetocell Gmbh & Co Kg, 7162 Gschwend, De | |
CA2068981C (fr) * | 1991-05-24 | 1996-08-27 | Michael A. Pikulin | Reacteur deux etages pour le blanchiment d'une pulpe |
US5625915A (en) * | 1993-05-14 | 1997-05-06 | Cyclo3Pss Textile Systems, Inc. | Laundry ozone injection system |
US5810973A (en) * | 1993-09-21 | 1998-09-22 | Beloit Technologies, Inc. | Apparatus for producing small particles from high consistency wood pulp |
US5554259A (en) * | 1993-10-01 | 1996-09-10 | Union Camp Patent Holdings, Inc. | Reduction of salt scale precipitation by control of process stream Ph and salt concentration |
US5944952A (en) * | 1995-07-26 | 1999-08-31 | Beloit Technologies, Inc. | Method for bleaching high consistency pulp with a gaseous bleaching reagent |
US5728264A (en) * | 1995-10-25 | 1998-03-17 | Union Camp Patent Holding, Inc. | Avoidance of salt scaling by acidic pulp washing process |
US6006387A (en) * | 1995-11-30 | 1999-12-28 | Cyclo3Pss Textile Systems, Inc. | Cold water ozone disinfection |
US5763382A (en) * | 1996-01-03 | 1998-06-09 | Cyclo3Pss Textile Systems, Inc. | Cold water wash formula |
US6077396A (en) * | 1997-05-16 | 2000-06-20 | Lariviere; Christopher J. | Apparatus for fluffing and contacting high consistancy wood pulp with a gaseous bleaching reagent |
US6458398B1 (en) | 1999-10-18 | 2002-10-01 | Eco Pure Food Safety Systems, Inc. | Cold water disinfection of foods |
GB2382592A (en) * | 2001-11-30 | 2003-06-04 | Sca Hygiene Prod Gmbh | Use of ozone to enhance the wet strength of fibrous cellulosic material |
US20030131958A1 (en) * | 2001-11-30 | 2003-07-17 | Thomas Jaschinski | Use of ozone for increasing the wet strength of paper and nonwoven |
FR3007044B1 (fr) * | 2013-06-13 | 2016-01-15 | Air Liquide | Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2466633A (en) * | 1948-05-26 | 1949-04-05 | James M Daily | Method of bleaching cellulosic pulp |
FR1441787A (fr) * | 1965-04-30 | 1966-06-10 | Progil | Procédé de blanchiment des pâtes à papier |
CA966604A (en) | 1970-12-21 | 1975-04-29 | Scott Paper Company | Kraft pulp bleaching and recovery process |
US4105494A (en) * | 1973-01-05 | 1978-08-08 | Sunds Aktiebolag | Process of gas-phase bleaching high consistency finely disintegrated pulp |
-
1980
- 1980-01-24 US US06/115,065 patent/US4283251A/en not_active Expired - Lifetime
-
1981
- 1981-01-09 BE BE887023A patent/BE887023A/fr not_active IP Right Cessation
- 1981-01-15 BR BR8100206A patent/BR8100206A/pt unknown
- 1981-01-23 FI FI810182A patent/FI810182L/fi not_active Application Discontinuation
- 1981-01-23 CA CA000369247A patent/CA1137257A/fr not_active Expired
- 1981-01-23 SE SE8100373A patent/SE450257B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4283251A (en) | 1981-08-11 |
SE450257B (sv) | 1987-06-15 |
SE8100373L (sv) | 1981-07-25 |
BE887023A (fr) | 1981-05-04 |
CA1137257A (fr) | 1982-12-14 |
BR8100206A (pt) | 1981-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: SCOTT PAPER COMPANY |