CA2293223C - Methode electrochimique pour determiner la teneur en lignine d'une pate a papier - Google Patents
Methode electrochimique pour determiner la teneur en lignine d'une pate a papier Download PDFInfo
- Publication number
- CA2293223C CA2293223C CA002293223A CA2293223A CA2293223C CA 2293223 C CA2293223 C CA 2293223C CA 002293223 A CA002293223 A CA 002293223A CA 2293223 A CA2293223 A CA 2293223A CA 2293223 C CA2293223 C CA 2293223C
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- redox mediator
- lignin
- electrode
- redox
- 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.)
- Expired - Fee Related
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
- D21C9/1026—Other features in bleaching processes
- D21C9/1052—Controlling the 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
- 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
- D21C9/1021—Electrochemical processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002293223A CA2293223C (fr) | 1999-12-23 | 1999-12-23 | Methode electrochimique pour determiner la teneur en lignine d'une pate a papier |
DE60005997T DE60005997D1 (de) | 1999-12-23 | 2000-12-19 | Elektrochemisches verfahren zur bestimmung des ligningehalts in pulpe |
PCT/CA2000/001518 WO2001048307A1 (fr) | 1999-12-23 | 2000-12-19 | Procede electrochimique permettant de determiner le contenu de lignine dans la pate |
AU21373/01A AU2137301A (en) | 1999-12-23 | 2000-12-19 | Electrochemical method for determinating lignin content of pulp |
AT00984729T ATE252177T1 (de) | 1999-12-23 | 2000-12-19 | Elektrochemisches verfahren zur bestimmung des ligningehalts in pulpe |
ES00984729T ES2208445T3 (es) | 1999-12-23 | 2000-12-19 | Procedimiento elctroquimico para determinar el contenido en lignina de la pasta de celulosa. |
PT00984729T PT1240384E (pt) | 1999-12-23 | 2000-12-19 | Metodo electroquimico para determinacao do teor em lenhina de pasta |
EP00984729A EP1240384B1 (fr) | 1999-12-23 | 2000-12-19 | Procede electrochimique permettant de determiner le contenu de lignine dans la pate |
JP2001548803A JP2003518613A (ja) | 1999-12-23 | 2000-12-19 | パルプのリグニン含有量を決定するための電気化学的方法 |
BR0016663-4A BR0016663A (pt) | 1999-12-23 | 2000-12-19 | Métodos para determinar número capa ou teor de lignina de uma polpa, e para analisar o teor de lignina de uma polpa, e, procedimento automatizado em linha para determinação de número capa |
US10/157,601 US20020144795A1 (en) | 1999-12-23 | 2002-05-30 | Electrochemical method for determinating lignin content of pulp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002293223A CA2293223C (fr) | 1999-12-23 | 1999-12-23 | Methode electrochimique pour determiner la teneur en lignine d'une pate a papier |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2293223A1 CA2293223A1 (fr) | 2001-06-23 |
CA2293223C true CA2293223C (fr) | 2004-02-10 |
Family
ID=4164977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002293223A Expired - Fee Related CA2293223C (fr) | 1999-12-23 | 1999-12-23 | Methode electrochimique pour determiner la teneur en lignine d'une pate a papier |
Country Status (11)
Country | Link |
---|---|
US (1) | US20020144795A1 (fr) |
EP (1) | EP1240384B1 (fr) |
JP (1) | JP2003518613A (fr) |
AT (1) | ATE252177T1 (fr) |
AU (1) | AU2137301A (fr) |
BR (1) | BR0016663A (fr) |
CA (1) | CA2293223C (fr) |
DE (1) | DE60005997D1 (fr) |
ES (1) | ES2208445T3 (fr) |
PT (1) | PT1240384E (fr) |
WO (1) | WO2001048307A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10043893A1 (de) * | 2000-09-06 | 2002-03-14 | Voith Paper Patent Gmbh | Verfahren zur Durchführung eines der Faser- oder Papierherstellung dienenden Flotations-, Bleiche- und/oder Dispergierprozesses |
CA2638801C (fr) | 2006-02-14 | 2016-12-13 | Verenium Corporation | Xylanases, acides nucleiques codant pour elles et leurs procedes de preparation et d'utilisation |
NZ601191A (en) | 2007-10-03 | 2014-01-31 | Verenium Corp | Xylanases, nucleic acids encoding them and methods for making and using them |
GB2476237B (en) * | 2009-12-15 | 2012-01-11 | Schlumberger Holdings | Calibration of electrochemical sensor |
CN107607596B (zh) * | 2017-08-08 | 2019-09-06 | 福建农林大学 | 一种基于流动分析的硫酸盐法制浆过程纸浆卡伯值的在线检测方法与装置 |
CN107589158B (zh) * | 2017-08-08 | 2019-09-06 | 福建农林大学 | 一种基于双电化学传感器的硫酸盐法制浆过程纸浆卡伯值的在线检测方法与装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4065348A (en) * | 1975-04-23 | 1977-12-27 | Westvaco Corporation | Method and apparatus for detecting and controlling the caustic in paper pulp bleaching |
FI80526C (fi) * | 1986-09-08 | 1990-06-11 | Savcor Consulting Oy | Foerfarande foer styrning av cellulosakok. |
DD280790A1 (de) * | 1987-04-14 | 1990-07-18 | Akad Wissenschaften Ddr | Biosensor und verfahren zur bestimmung von mediatoren |
US5220172A (en) * | 1991-09-23 | 1993-06-15 | The Babcock & Wilcox Company | Fluorescence analyzer for lignin |
US5389356A (en) * | 1993-01-05 | 1995-02-14 | Utah State University Foundation | Compounds and methods for generating oxygen free radicals used in general oxidation and reduction reactions |
US5486915A (en) * | 1994-04-12 | 1996-01-23 | The Babcock & Wilcox Company | On-line measurement of lignin in wood pulp by color shift of fluorescence |
DE19742748A1 (de) * | 1997-09-27 | 1999-04-01 | Degussa | Verfahren zum Delignifizieren und Bleichen von Zellstoffen unter Verwendung elektrochemisch oxidierbarer organischer Verbindungen |
US5953111A (en) * | 1997-12-11 | 1999-09-14 | Honeywell Inc. | Continuous in-line kappa measurement system |
AU3401799A (en) * | 1998-04-16 | 1999-11-08 | Pulp And Paper Research Institute Of Canada | Oxidase process for pulp and dye oxidation |
-
1999
- 1999-12-23 CA CA002293223A patent/CA2293223C/fr not_active Expired - Fee Related
-
2000
- 2000-12-19 PT PT00984729T patent/PT1240384E/pt unknown
- 2000-12-19 JP JP2001548803A patent/JP2003518613A/ja active Pending
- 2000-12-19 DE DE60005997T patent/DE60005997D1/de not_active Expired - Lifetime
- 2000-12-19 EP EP00984729A patent/EP1240384B1/fr not_active Expired - Lifetime
- 2000-12-19 AU AU21373/01A patent/AU2137301A/en not_active Abandoned
- 2000-12-19 BR BR0016663-4A patent/BR0016663A/pt not_active IP Right Cessation
- 2000-12-19 AT AT00984729T patent/ATE252177T1/de not_active IP Right Cessation
- 2000-12-19 ES ES00984729T patent/ES2208445T3/es not_active Expired - Lifetime
- 2000-12-19 WO PCT/CA2000/001518 patent/WO2001048307A1/fr active IP Right Grant
-
2002
- 2002-05-30 US US10/157,601 patent/US20020144795A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
PT1240384E (pt) | 2004-03-31 |
BR0016663A (pt) | 2002-09-03 |
WO2001048307A8 (fr) | 2002-01-24 |
WO2001048307A1 (fr) | 2001-07-05 |
AU2137301A (en) | 2001-07-09 |
ES2208445T3 (es) | 2004-06-16 |
CA2293223A1 (fr) | 2001-06-23 |
US20020144795A1 (en) | 2002-10-10 |
EP1240384A1 (fr) | 2002-09-18 |
EP1240384B1 (fr) | 2003-10-15 |
DE60005997D1 (de) | 2003-11-20 |
JP2003518613A (ja) | 2003-06-10 |
ATE252177T1 (de) | 2003-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |