ATE403854T1 - Verfahren und anordnung zur messung des chemikalien-gahalts während eines bleichprozesses - Google Patents
Verfahren und anordnung zur messung des chemikalien-gahalts während eines bleichprozessesInfo
- Publication number
- ATE403854T1 ATE403854T1 AT97951421T AT97951421T ATE403854T1 AT E403854 T1 ATE403854 T1 AT E403854T1 AT 97951421 T AT97951421 T AT 97951421T AT 97951421 T AT97951421 T AT 97951421T AT E403854 T1 ATE403854 T1 AT E403854T1
- Authority
- AT
- Austria
- Prior art keywords
- bleaching
- sample
- arrangement
- content during
- bleaching process
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title abstract 6
- 239000000126 substance Substances 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 2
- 229910001882 dioxygen Inorganic materials 0.000 abstract 2
- 238000005259 measurement Methods 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- 102000016938 Catalase Human genes 0.000 abstract 1
- 108010053835 Catalase Proteins 0.000 abstract 1
- 229920003043 Cellulose fiber Polymers 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
-
- 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
- D21C9/1052—Controlling the process
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/14—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference
- G01N7/18—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference by allowing the material to react
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9604829A SE506420C2 (sv) | 1996-12-23 | 1996-12-23 | Förfarande och anordning för mätning av halten kemikalier vid blekning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE403854T1 true ATE403854T1 (de) | 2008-08-15 |
Family
ID=20405178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97951421T ATE403854T1 (de) | 1996-12-23 | 1997-12-23 | Verfahren und anordnung zur messung des chemikalien-gahalts während eines bleichprozesses |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6332951B1 (de) |
| EP (1) | EP1009993B1 (de) |
| JP (1) | JP3419466B2 (de) |
| AT (1) | ATE403854T1 (de) |
| CA (1) | CA2275751C (de) |
| DE (1) | DE69738889D1 (de) |
| SE (1) | SE506420C2 (de) |
| WO (1) | WO1998030884A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE512126C2 (sv) * | 1997-12-23 | 2000-01-31 | Btg Kaelle Inventing Ab | Förfarande för bestämning av mängden/aktiviteten katalas före eller i samband med blekning av företrädesvis i en massasuspension ingående cellulosafibrer |
| SE523933C2 (sv) * | 2002-09-04 | 2004-06-01 | Btg Kaelle Inventing Ab | Förfarande för mätning av ditionitkoncentration |
| FI122238B (fi) * | 2006-02-09 | 2011-10-31 | Metso Automation Oy | Menetelmä ja laitteisto massasuspension kokonaisperoksidipitoisuuden määrittämiseksi |
| CN101446054B (zh) * | 2008-12-23 | 2010-04-14 | 华南理工大学 | 年产5万吨以上纸浆生产线的全无氯漂白方法 |
| CN106086157A (zh) * | 2016-06-21 | 2016-11-09 | 俞率成 | 过氧化氢酶活性测定仪及其使用方法 |
| WO2018017672A1 (en) * | 2016-07-19 | 2018-01-25 | Chemtreat, Inc. | Methods and systems for detecting and quantifying peroxyacid and peroxide in fluids |
| KR102844724B1 (ko) | 2018-08-13 | 2025-08-08 | 에보쿠아 워터 테크놀로지스 엘엘씨 | 물의 조성을 측정하기 위한 시스템 및 방법 |
| CN115868655B (zh) * | 2022-12-23 | 2025-03-14 | 福建中烟工业有限责任公司 | 一种烟草样品漂白处理方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1874339A (en) * | 1929-05-22 | 1932-08-30 | Solvay Process Co | Analytical method and apparatus therefor |
| US4192708A (en) * | 1974-09-05 | 1980-03-11 | Mo Och Domsjo Aktiebolag | Method for controlling the addition of active chemical for delignifying and/or bleaching cellulose pulp suspended in a liquor containing chemicals reactive with the delignifying and/or bleaching chemical |
| JPS5753649A (en) * | 1980-09-18 | 1982-03-30 | Oriental Yeast Co Ltd | Measuring apparatus of concentration of hydrogen peroxide |
| EP0052834A2 (de) * | 1980-11-24 | 1982-06-02 | The Continental Group, Inc. | Mechanischer Peroxidfühler auf der Basis einer Druckmessung |
| US5081045A (en) * | 1989-07-18 | 1992-01-14 | Mcgill Errol | Chemical concentration pressure analyzing apparatus and process |
| SE512126C2 (sv) * | 1997-12-23 | 2000-01-31 | Btg Kaelle Inventing Ab | Förfarande för bestämning av mängden/aktiviteten katalas före eller i samband med blekning av företrädesvis i en massasuspension ingående cellulosafibrer |
-
1996
- 1996-12-23 SE SE9604829A patent/SE506420C2/sv not_active IP Right Cessation
-
1997
- 1997-12-23 US US09/331,462 patent/US6332951B1/en not_active Expired - Lifetime
- 1997-12-23 DE DE69738889T patent/DE69738889D1/de not_active Expired - Fee Related
- 1997-12-23 WO PCT/SE1997/002210 patent/WO1998030884A1/en not_active Ceased
- 1997-12-23 EP EP97951421A patent/EP1009993B1/de not_active Expired - Lifetime
- 1997-12-23 AT AT97951421T patent/ATE403854T1/de not_active IP Right Cessation
- 1997-12-23 CA CA002275751A patent/CA2275751C/en not_active Expired - Lifetime
- 1997-12-23 JP JP52948198A patent/JP3419466B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2275751A1 (en) | 1998-07-16 |
| WO1998030884A1 (en) | 1998-07-16 |
| SE9604829L (sv) | 1997-06-24 |
| EP1009993A1 (de) | 2000-06-21 |
| JP3419466B2 (ja) | 2003-06-23 |
| SE9604829D0 (sv) | 1996-12-23 |
| CA2275751C (en) | 2008-07-08 |
| EP1009993B1 (de) | 2008-08-06 |
| DE69738889D1 (de) | 2008-09-18 |
| JP2001500581A (ja) | 2001-01-16 |
| US6332951B1 (en) | 2001-12-25 |
| SE506420C2 (sv) | 1997-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |