CA1186105A - Blanchiment a l'ozone des matieres cellulosiques - Google Patents
Blanchiment a l'ozone des matieres cellulosiquesInfo
- Publication number
- CA1186105A CA1186105A CA000430647A CA430647A CA1186105A CA 1186105 A CA1186105 A CA 1186105A CA 000430647 A CA000430647 A CA 000430647A CA 430647 A CA430647 A CA 430647A CA 1186105 A CA1186105 A CA 1186105A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- ozone
- ultraviolet light
- lignin
- bleaching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- D21C9/1015—Bleaching ; Apparatus therefor with use of means other than pressure, temperature
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39174782A | 1982-06-24 | 1982-06-24 | |
US391,747 | 1982-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1186105A true CA1186105A (fr) | 1985-04-30 |
Family
ID=23547770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000430647A Expired CA1186105A (fr) | 1982-06-24 | 1983-06-17 | Blanchiment a l'ozone des matieres cellulosiques |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0112377B1 (fr) |
AU (1) | AU593763B2 (fr) |
CA (1) | CA1186105A (fr) |
FI (1) | FI73252C (fr) |
WO (1) | WO1984000181A1 (fr) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5164043A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
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 |
US5181989A (en) * | 1990-10-26 | 1993-01-26 | Union Camp Patent Holdings, 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 |
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 |
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 |
US5441603A (en) * | 1990-05-17 | 1995-08-15 | Union Camp Patent Holding, Inc. | Method for chelation of pulp prior to ozone delignification |
US5451296A (en) * | 1991-05-24 | 1995-09-19 | Union Camp Patent Holding, Inc. | Two stage pulp bleaching reactor |
US5472572A (en) * | 1990-10-26 | 1995-12-05 | Union Camp Patent Holding, Inc. | Reactor for 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 |
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 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2505018A1 (fr) * | 2002-11-07 | 2004-05-21 | Nippon Paper Industries Co., Ltd. | Procede permettant d'ameliorer la resistance a la decoloration de pate a papier et pate a papier amelioree au niveau de sa resistance a la decoloration |
WO2005121442A1 (fr) * | 2004-06-08 | 2005-12-22 | Nippon Paper Industries Co., Ltd. | Méthode pour blanchir de la pâte |
US20090090478A1 (en) * | 2007-10-05 | 2009-04-09 | Hollomon Martha G | Selectivity improvement in oxygen delignification and bleaching of lignocellulose pulp using singlet oxygen |
US7812947B2 (en) | 2008-01-21 | 2010-10-12 | Honeywell International Inc. | Apparatus and method for measuring and/or controlling paper pulp properties |
US8049892B2 (en) | 2008-01-22 | 2011-11-01 | Honeywell International Inc. | Apparatus and method for camera-based color measurements |
US7592608B2 (en) | 2008-01-22 | 2009-09-22 | Honeywell International Inc. | Apparatus and method for measuring and/or controlling ultraviolet-activated materials in a paper-making process |
CN105733878B (zh) * | 2016-04-06 | 2019-04-23 | 北京化工大学 | 一种酒糟再发酵的预处理方式 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
UST989185I4 (fr) * | 1937-06-01 | |||
CA973660A (en) * | 1972-05-29 | 1975-09-02 | Thomas Joachimides | Treatment of cellulosic matter with active nitrogen |
FR2255418B1 (fr) * | 1973-12-21 | 1976-05-07 | Europeen Cellulose | |
US3920547A (en) * | 1974-05-06 | 1975-11-18 | Houston Research Inc | Method of destroying cyanides |
US4230571A (en) * | 1979-01-22 | 1980-10-28 | Dadd Robert C | Ozone/ultraviolet water purification |
-
1983
- 1983-06-01 WO PCT/US1983/000820 patent/WO1984000181A1/fr active IP Right Grant
- 1983-06-01 EP EP83902324A patent/EP0112377B1/fr not_active Expired
- 1983-06-17 CA CA000430647A patent/CA1186105A/fr not_active Expired
- 1983-07-01 AU AU17702/83A patent/AU593763B2/en not_active Ceased
-
1984
- 1984-02-21 FI FI840697A patent/FI73252C/fi not_active IP Right Cessation
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5188708A (en) * | 1989-02-15 | 1993-02-23 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification followed by ozone relignification |
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 |
US5164044A (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 |
US5164043A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
US5296099A (en) * | 1990-05-17 | 1994-03-22 | Union Camp Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with oxygen, ozone and chlorine dioxide |
US5181989A (en) * | 1990-10-26 | 1993-01-26 | Union Camp Patent Holdings, Inc. | Reactor for bleaching high consistency pulp with ozone |
US5174861A (en) * | 1990-10-26 | 1992-12-29 | Union Camp Patent Holdings, Inc. | Method of bleaching high consistency pulp with ozone |
US5472572A (en) * | 1990-10-26 | 1995-12-05 | Union Camp Patent Holding, Inc. | Reactor for 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 |
US5863389A (en) * | 1990-10-26 | 1999-01-26 | Union Camp Patent Holding, Inc. | Pulp bleaching reactor for dispersing high consistency pulp into a gaseous bleaching agent containing ozone |
US5451296A (en) * | 1991-05-24 | 1995-09-19 | Union Camp Patent Holding, Inc. | Two stage pulp bleaching reactor |
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 |
US5693184A (en) | 1993-10-01 | 1997-12-02 | Union Camp Patent Holding, Inc. | Reduction of salt scale precipitation by control of process stream pH and salt concentration |
Also Published As
Publication number | Publication date |
---|---|
FI840697A (fi) | 1984-02-21 |
AU1770283A (en) | 1984-01-26 |
FI840697A0 (fi) | 1984-02-21 |
FI73252C (fi) | 1987-09-10 |
EP0112377A1 (fr) | 1984-07-04 |
WO1984000181A1 (fr) | 1984-01-19 |
FI73252B (fi) | 1987-05-29 |
EP0112377B1 (fr) | 1986-11-12 |
AU593763B2 (en) | 1990-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEC | Expiry (correction) | ||
MKEX | Expiry |