AU7463998A - Method of minimizing scaling problems in the manufacture of bleached cellulose pulp while using an essentially fully closed washing liquid flow pattern - Google Patents
Method of minimizing scaling problems in the manufacture of bleached cellulose pulp while using an essentially fully closed washing liquid flow patternInfo
- Publication number
- AU7463998A AU7463998A AU74639/98A AU7463998A AU7463998A AU 7463998 A AU7463998 A AU 7463998A AU 74639/98 A AU74639/98 A AU 74639/98A AU 7463998 A AU7463998 A AU 7463998A AU 7463998 A AU7463998 A AU 7463998A
- Authority
- AU
- Australia
- Prior art keywords
- manufacture
- liquid flow
- fully closed
- washing liquid
- flow pattern
- 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.)
- Abandoned
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
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
- D21C11/0028—Effluents derived from the washing or bleaching plants
-
- 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
- D21C9/008—Prevention of corrosion or formation of deposits on pulp-treating equipment
-
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9701778A SE509444C2 (en) | 1997-05-14 | 1997-05-14 | Procedure for Minimizing Calcium Caused Incrustation Problems in Preparation of Bleached Cellulose Pulp |
SE9701778 | 1997-05-14 | ||
PCT/SE1998/000879 WO1998051855A1 (en) | 1997-05-14 | 1998-05-12 | Method of minimizing scaling problems in the manufacture of bleached cellulose pulp while using an essentially fully closed washing liquid flow pattern |
Publications (1)
Publication Number | Publication Date |
---|---|
AU7463998A true AU7463998A (en) | 1998-12-08 |
Family
ID=20406921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU74639/98A Abandoned AU7463998A (en) | 1997-05-14 | 1998-05-12 | Method of minimizing scaling problems in the manufacture of bleached cellulose pulp while using an essentially fully closed washing liquid flow pattern |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU7463998A (en) |
SE (1) | SE509444C2 (en) |
WO (1) | WO1998051855A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6605350B1 (en) | 1996-08-23 | 2003-08-12 | Weyerhaeuser Company | Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same |
SE0300276L (en) * | 2003-01-31 | 2003-12-09 | Kvaerner Pulping Tech | Method for bleaching cellulose pulp and bleaching line for this |
BR112014005055B1 (en) * | 2011-09-05 | 2021-01-12 | Stora Enso Oyj | process for the treatment of hardwood black liquor and hardwood black liquor treated according to the process |
FI126563B (en) * | 2012-03-12 | 2017-02-15 | Upm Kymmene Corp | Method and apparatus for treating fluid streams in a cellulose plant |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
SE9501623L (en) * | 1995-05-02 | 1996-11-03 | Sunds Defibrator Ind Ab | Bleaching of pulp |
SE9503004L (en) * | 1995-08-30 | 1997-03-01 | Sunds Defibrator Ind Ab | Bleaching of pulp |
-
1997
- 1997-05-14 SE SE9701778A patent/SE509444C2/en not_active IP Right Cessation
-
1998
- 1998-05-12 AU AU74639/98A patent/AU7463998A/en not_active Abandoned
- 1998-05-12 WO PCT/SE1998/000879 patent/WO1998051855A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
SE9701778D0 (en) | 1997-05-14 |
SE509444C2 (en) | 1999-01-25 |
SE9701778L (en) | 1998-11-15 |
WO1998051855A1 (en) | 1998-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |