FI962477A7 - Förfarande för framställning av blekt cellulosamassa - Google Patents
Förfarande för framställning av blekt cellulosamassaInfo
- Publication number
- FI962477A7 FI962477A7 FI962477A FI962477A FI962477A7 FI 962477 A7 FI962477 A7 FI 962477A7 FI 962477 A FI962477 A FI 962477A FI 962477 A FI962477 A FI 962477A FI 962477 A7 FI962477 A7 FI 962477A7
- Authority
- FI
- Finland
- Prior art keywords
- cellulose pulp
- bleached cellulose
- producing bleached
- producing
- pulp
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- 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
- D21C9/1042—Use of chelating agents
-
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
-
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
-
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Treatment Of Fiber Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9304173A SE502172C2 (sv) | 1993-12-15 | 1993-12-15 | Förfarande för framställning av blekt cellulosamassa med en klorfri bleksekvens i närvaro av karbonat |
| SE9304173 | 1993-12-15 | ||
| PCT/SE1994/001204 WO1995016818A1 (en) | 1993-12-15 | 1994-12-14 | Method for the manufacture of bleached cellulose pulp |
| SE9401204 | 1994-12-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI962477A0 FI962477A0 (sv) | 1996-06-14 |
| FI962477A7 true FI962477A7 (sv) | 1996-08-14 |
| FI112507B FI112507B (sv) | 2003-12-15 |
Family
ID=20392113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI962477A FI112507B (sv) | 1993-12-15 | 1996-06-14 | Förfarande för framställning av blekt cellulosamassa |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US6126782A (sv) |
| EP (1) | EP0734470B1 (sv) |
| JP (1) | JPH09506680A (sv) |
| AT (1) | ATE213794T1 (sv) |
| AU (1) | AU678333B2 (sv) |
| BR (1) | BR9408336A (sv) |
| CA (1) | CA2178509A1 (sv) |
| DE (1) | DE69430009T2 (sv) |
| ES (1) | ES2169132T3 (sv) |
| FI (1) | FI112507B (sv) |
| NO (1) | NO962525L (sv) |
| NZ (1) | NZ277585A (sv) |
| PT (1) | PT734470E (sv) |
| SE (1) | SE502172C2 (sv) |
| WO (1) | WO1995016818A1 (sv) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0866895B1 (en) * | 1995-12-07 | 2000-06-14 | Beloit Technologies, Inc. | Oxygen delignification of medium consistency pulp slurry |
| US6702921B2 (en) * | 2001-05-01 | 2004-03-09 | Ondeo Nalco Company | Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent |
| US8756791B2 (en) * | 2001-10-17 | 2014-06-24 | Eveready Battery Company, Inc. | Tampon applicator |
| US20030105421A1 (en) * | 2001-10-17 | 2003-06-05 | Playtex Products, Inc. | Tampon applicator |
| US20040000012A1 (en) * | 2002-06-26 | 2004-01-01 | Borregaard Chemcell | Treatment of a mixture containing cellulose |
| US9551076B2 (en) | 2011-05-31 | 2017-01-24 | Clean Chemistry, Inc. | Electrochemical reactor and process |
| CN104812706B (zh) | 2012-09-07 | 2019-06-25 | 清洁化学公司 | 用于产生活性氧物质的系统和方法以及其应用 |
| CN102852019B (zh) * | 2012-09-18 | 2014-08-20 | 四川理工学院 | 一种大千书画纸生产用竹浆的全无氯漂白方法 |
| EP3189016B1 (en) | 2014-09-04 | 2020-06-03 | Clean Chemistry, Inc. | Method of water treatment utilizing a peracetate oxidant solution |
| US10472265B2 (en) | 2015-03-26 | 2019-11-12 | Clean Chemistry, Inc. | Systems and methods of reducing a bacteria population in high hydrogen sulfide water |
| US10883224B2 (en) | 2015-12-07 | 2021-01-05 | Clean Chemistry, Inc. | Methods of pulp fiber treatment |
| WO2017100284A1 (en) | 2015-12-07 | 2017-06-15 | Clean Chemistry, Inc. | Methods of microbial control |
| US11136714B2 (en) | 2016-07-25 | 2021-10-05 | Clean Chemistry, Inc. | Methods of optical brightening agent removal |
| US11311012B1 (en) | 2017-09-07 | 2022-04-26 | Clean Chemistry, Inc. | Bacterial control in fermentation systems |
| US11001864B1 (en) | 2017-09-07 | 2021-05-11 | Clean Chemistry, Inc. | Bacterial control in fermentation systems |
| MY209258A (en) | 2020-03-13 | 2025-06-30 | Topsoe As | Process and plant for producing hydrocarbons with reduced co2-footprint and improved hydrogen integration |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0296198B1 (en) * | 1986-12-22 | 1991-09-18 | Aga Aktiebolag | Method for washing of alcaline pulp |
| DE69004492T3 (de) * | 1989-06-06 | 2001-11-15 | Eka Nobel Ab, Bohus | Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen. |
| SE466061B (sv) * | 1990-04-23 | 1991-12-09 | Eka Nobel Ab | Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne |
| RU2102547C1 (ru) * | 1990-05-17 | 1998-01-20 | Юнион Кемп Корпорейшн | Способ получения отбеленной целлюлозной массы и способ делигнификации и отбелки лигноцеллюлозного материала (варианты) |
| SE468355B (sv) * | 1991-04-30 | 1992-12-21 | Eka Nobel Ab | Blekning av kemisk massa genom behandling med komplexbildare och ozon |
| SE469387B (sv) * | 1992-05-11 | 1993-06-28 | Kamyr Ab | Saett vid blekning av massa utan anvaendning av klorkemikalier |
| SE500113C2 (sv) * | 1992-07-09 | 1994-04-18 | Kamyr Ab | Sätt vid blekning av massa för omhändertagande av utlösta metaller |
| US5639347A (en) * | 1993-03-24 | 1997-06-17 | Ahlstrom Machinery Inc. | Method of controlling of metals in a bleach plant, using oxidation |
| US5401362A (en) * | 1993-03-24 | 1995-03-28 | Kamyr, Inc. | Control of metals and dissolved organics in the bleach plant |
| US5509999A (en) * | 1993-03-24 | 1996-04-23 | Kamyr, Inc. | Treatment of bleach plant effluents |
-
1993
- 1993-12-15 SE SE9304173A patent/SE502172C2/sv not_active IP Right Cessation
-
1994
- 1994-12-14 EP EP95919252A patent/EP0734470B1/en not_active Expired - Lifetime
- 1994-12-14 ES ES95919252T patent/ES2169132T3/es not_active Expired - Lifetime
- 1994-12-14 NZ NZ277585A patent/NZ277585A/en unknown
- 1994-12-14 CA CA002178509A patent/CA2178509A1/en not_active Abandoned
- 1994-12-14 US US08/663,047 patent/US6126782A/en not_active Expired - Fee Related
- 1994-12-14 BR BR9408336A patent/BR9408336A/pt not_active IP Right Cessation
- 1994-12-14 DE DE69430009T patent/DE69430009T2/de not_active Expired - Fee Related
- 1994-12-14 JP JP7516704A patent/JPH09506680A/ja not_active Ceased
- 1994-12-14 AT AT95919252T patent/ATE213794T1/de not_active IP Right Cessation
- 1994-12-14 PT PT95919252T patent/PT734470E/pt unknown
- 1994-12-14 WO PCT/SE1994/001204 patent/WO1995016818A1/en not_active Ceased
- 1994-12-14 AU AU12867/95A patent/AU678333B2/en not_active Ceased
-
1996
- 1996-06-14 NO NO962525A patent/NO962525L/no not_active Application Discontinuation
- 1996-06-14 FI FI962477A patent/FI112507B/sv active
Also Published As
| Publication number | Publication date |
|---|---|
| DE69430009T2 (de) | 2002-10-24 |
| BR9408336A (pt) | 1997-08-19 |
| EP0734470A1 (en) | 1996-10-02 |
| ES2169132T3 (es) | 2002-07-01 |
| US6126782A (en) | 2000-10-03 |
| PT734470E (pt) | 2002-07-31 |
| NO962525D0 (no) | 1996-06-14 |
| EP0734470B1 (en) | 2002-02-27 |
| FI112507B (sv) | 2003-12-15 |
| NZ277585A (en) | 1997-05-26 |
| ATE213794T1 (de) | 2002-03-15 |
| SE502172C2 (sv) | 1995-09-04 |
| JPH09506680A (ja) | 1997-06-30 |
| SE9304173D0 (sv) | 1993-12-15 |
| AU678333B2 (en) | 1997-05-22 |
| DE69430009D1 (de) | 2002-04-04 |
| FI962477A0 (sv) | 1996-06-14 |
| CA2178509A1 (en) | 1995-06-22 |
| WO1995016818A1 (en) | 1995-06-22 |
| AU1286795A (en) | 1995-07-03 |
| NO962525L (no) | 1996-08-01 |
| SE9304173L (sv) | 1995-06-16 |
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