FI20070523A0 - Process for treating fluid streams in cellulose factories - Google Patents
Process for treating fluid streams in cellulose factoriesInfo
- Publication number
- FI20070523A0 FI20070523A0 FI20070523A FI20070523A FI20070523A0 FI 20070523 A0 FI20070523 A0 FI 20070523A0 FI 20070523 A FI20070523 A FI 20070523A FI 20070523 A FI20070523 A FI 20070523A FI 20070523 A0 FI20070523 A0 FI 20070523A0
- Authority
- FI
- Finland
- Prior art keywords
- fluid streams
- treating fluid
- cellulose factories
- factories
- cellulose
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
-
- 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
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
-
- 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
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
-
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
-
- 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)
-
- 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)
- Paper (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20070523A FI122237B (en) | 2007-06-15 | 2007-07-03 | A method for treating fluid flows at a pulp mill |
PCT/FI2008/000070 WO2008152189A2 (en) | 2007-06-15 | 2008-06-13 | Method for treating liquid flows at a chemical pulp mill |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20070477A FI122812B (en) | 2007-06-15 | 2007-06-15 | A method for treating fluid flows at a pulp mill |
FI20070477 | 2007-06-15 | ||
FI20070523A FI122237B (en) | 2007-06-15 | 2007-07-03 | A method for treating fluid flows at a pulp mill |
FI20070523 | 2007-07-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20070523A0 true FI20070523A0 (en) | 2007-07-03 |
FI20070523A FI20070523A (en) | 2008-12-16 |
FI122237B FI122237B (en) | 2011-10-31 |
Family
ID=38331541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20070523A FI122237B (en) | 2007-06-15 | 2007-07-03 | A method for treating fluid flows at a pulp mill |
Country Status (2)
Country | Link |
---|---|
FI (1) | FI122237B (en) |
WO (1) | WO2008152189A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012084842A1 (en) * | 2010-12-22 | 2012-06-28 | Akzo Nobel Chemicals International B.V. | Process for improving chlorine dioxide bleaching of pulp |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA761255B (en) | 1975-03-11 | 1977-03-30 | Erco Envirotech Ltd | Bleachplant operation |
US5938892A (en) * | 1991-01-28 | 1999-08-17 | Champion International Corporation | Process for recycling bleach plant filtrate |
US5302246A (en) * | 1992-07-30 | 1994-04-12 | Kamyr, Inc. | Method of managing liquid steams in a pulp mill |
US5380402A (en) * | 1992-07-30 | 1995-01-10 | Kamyr, Inc. | Reducing pulp mill liquid discharge |
SE470538C (en) * | 1992-12-02 | 1996-01-11 | Kvaerner Pulping Tech | When bleaching pulp, use no chlorine-containing chemicals |
SE500660C2 (en) * | 1992-12-03 | 1994-08-01 | Mo Och Domsjoe Ab | Process for the production of green liquor in chemical recycling in sulphate and sulphite pulp mills |
SE9400383L (en) * | 1994-02-07 | 1995-08-08 | Kvaerner Pulping Tech | Ways to purify a sulphide-containing alkaline liquor from chloride |
US5545292A (en) * | 1994-09-09 | 1996-08-13 | Institute Of Paper Science And Technology, Inc. | Kraft smelt solidification in a fluidized bed reactor |
WO1997003245A1 (en) * | 1995-07-11 | 1997-01-30 | Ahlstrom Machinery Oy | Method of separating impurities from lime and lime sludge and a method of causticizing green liquor containing impurities, such as silicon, in two stages |
US6569284B1 (en) * | 1996-09-24 | 2003-05-27 | International Paper Company | Elemental-chlorine-free bleaching process having an initial Eo or Eop stage |
CN100422434C (en) | 2002-06-07 | 2008-10-01 | 安德里兹公司 | System for producing energy at a pulp mill |
RU2399709C2 (en) | 2005-04-22 | 2010-09-20 | Андритц Ой | Installation and method of energy production at cellulose plant |
US10787708B2 (en) | 2017-07-12 | 2020-09-29 | Macau University Of Science And Technology | Method of identifying a gene associated with a disease or pathological condition of the disease |
-
2007
- 2007-07-03 FI FI20070523A patent/FI122237B/en active IP Right Grant
-
2008
- 2008-06-13 WO PCT/FI2008/000070 patent/WO2008152189A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2008152189A3 (en) | 2009-03-05 |
FI20070523A (en) | 2008-12-16 |
FI122237B (en) | 2011-10-31 |
WO2008152189A2 (en) | 2008-12-18 |
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Legal Events
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---|---|---|---|
FG | Patent granted |
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