ES526161A0 - PROCEDURE AND APPARATUS FOR THE CONTINUOUS DE-LIGNIFICATION BY OXYGEN OF FIBROUS MATERIALS - Google Patents
PROCEDURE AND APPARATUS FOR THE CONTINUOUS DE-LIGNIFICATION BY OXYGEN OF FIBROUS MATERIALSInfo
- Publication number
- ES526161A0 ES526161A0 ES526161A ES526161A ES526161A0 ES 526161 A0 ES526161 A0 ES 526161A0 ES 526161 A ES526161 A ES 526161A ES 526161 A ES526161 A ES 526161A ES 526161 A0 ES526161 A0 ES 526161A0
- Authority
- ES
- Spain
- Prior art keywords
- lignification
- oxygen
- procedure
- continuous
- fibrous materials
- 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.)
- Granted
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
-
- 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
- D21C9/1068—Bleaching ; Apparatus therefor with O2
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43148682A | 1982-09-30 | 1982-09-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES526161A0 true ES526161A0 (en) | 1985-05-01 |
ES8504999A1 ES8504999A1 (en) | 1985-05-01 |
Family
ID=23712154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES526161A Expired ES8504999A1 (en) | 1982-09-30 | 1983-09-30 | Improved method and apparatus for oxygen delignification. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0106460A1 (en) |
JP (1) | JPS5982488A (en) |
KR (1) | KR840005846A (en) |
BR (1) | BR8305348A (en) |
CA (1) | CA1213104A (en) |
ES (1) | ES8504999A1 (en) |
FI (1) | FI833514A (en) |
NO (1) | NO833033L (en) |
ZA (1) | ZA835925B (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1262722A (en) * | 1984-06-20 | 1989-11-07 | Lawrence Marvin Litz | Process for dispersing one fluid in another |
JPS61137696U (en) * | 1985-02-13 | 1986-08-27 | ||
AU595842B2 (en) * | 1985-11-15 | 1990-04-12 | Canadian Liquid Air Ltd. | Pulp bleaching |
CA1300322C (en) * | 1987-06-08 | 1992-05-12 | Derek Hornsey | Method of bleaching or delignification of cellulose pulp with oxygen |
US5472572A (en) * | 1990-10-26 | 1995-12-05 | Union Camp Patent Holding, Inc. | Reactor for bleaching high consistency pulp with ozone |
US5217574A (en) * | 1989-02-15 | 1993-06-08 | Union Camp Patent Holdings Inc. | Process for oxygen delignifying high consistency pulp by removing and recycling pressate from alkaline pulp |
US5181989A (en) * | 1990-10-26 | 1993-01-26 | Union Camp Patent Holdings, Inc. | Reactor for bleaching high consistency pulp with ozone |
US5085734A (en) * | 1989-02-15 | 1992-02-04 | Union Camp Patent Holding, Inc. | Methods of high consistency oxygen delignification using a low consistency alkali pretreatment |
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 |
US5173153A (en) * | 1991-01-03 | 1992-12-22 | Union Camp Patent Holding, Inc. | Process for enhanced oxygen delignification using high consistency and a split alkali addition |
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 |
US5525195A (en) * | 1989-02-15 | 1996-06-11 | Union Camp Patent Holding, Inc. | Process for high consistency delignification using a low consistency alkali pretreatment |
US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
US5164043A (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 |
FI922279A (en) * | 1991-05-24 | 1992-11-25 | Union Camp Patent Holding | TVAOSTEGSREAKTOR FOER BLEKNING AV MASSA |
SE469398B (en) * | 1991-11-06 | 1993-06-28 | Sunds Defibrator Ind Ab | HEATING DEVICE FOR EXAMPLE OF CELLULOSAMASSA THEREOF APPLIED BY A MULTIPLE, SCRUBLED LOCATION, TAKEN IN A TRANSMISSION WALL |
DE102008000258A1 (en) * | 2008-02-08 | 2009-08-13 | Voith Patent Gmbh | mixing arrangement |
DE102008000256A1 (en) * | 2008-02-08 | 2009-08-13 | Voith Patent Gmbh | Mixing and dilution arrangement |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2000953A (en) * | 1933-10-30 | 1935-05-14 | Hooker Electrochemical Co | Means for reacting semifluid materials |
US4161421A (en) * | 1977-09-13 | 1979-07-17 | Kamyr, Inc. | Method and apparatus for continuous oxygen bleaching of cellulosic pulp |
-
1983
- 1983-08-11 ZA ZA835925A patent/ZA835925B/en unknown
- 1983-08-23 NO NO833033A patent/NO833033L/en unknown
- 1983-08-24 EP EP83304894A patent/EP0106460A1/en not_active Ceased
- 1983-09-06 CA CA000436078A patent/CA1213104A/en not_active Expired
- 1983-09-26 JP JP58177850A patent/JPS5982488A/en active Pending
- 1983-09-28 KR KR1019830004563A patent/KR840005846A/en not_active Application Discontinuation
- 1983-09-29 FI FI833514A patent/FI833514A/en not_active Application Discontinuation
- 1983-09-29 BR BR8305348A patent/BR8305348A/en unknown
- 1983-09-30 ES ES526161A patent/ES8504999A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ZA835925B (en) | 1984-04-25 |
FI833514A0 (en) | 1983-09-29 |
BR8305348A (en) | 1984-05-08 |
EP0106460A1 (en) | 1984-04-25 |
FI833514A (en) | 1984-03-31 |
NO833033L (en) | 1984-04-02 |
JPS5982488A (en) | 1984-05-12 |
ES8504999A1 (en) | 1985-05-01 |
KR840005846A (en) | 1984-11-19 |
CA1213104A (en) | 1986-10-28 |
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