WO2001048307A8 - Electrochemical method for determinating lignin content of pulp - Google Patents
Electrochemical method for determinating lignin content of pulpInfo
- Publication number
- WO2001048307A8 WO2001048307A8 PCT/CA2000/001518 CA0001518W WO0148307A8 WO 2001048307 A8 WO2001048307 A8 WO 2001048307A8 CA 0001518 W CA0001518 W CA 0001518W WO 0148307 A8 WO0148307 A8 WO 0148307A8
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pulp
- lignin
- voltammetric
- kappa
- redox
- 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
- D21C9/1026—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
Abstract
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001548803A JP2003518613A (en) | 1999-12-23 | 2000-12-19 | An electrochemical method for determining the lignin content of pulp |
AU21373/01A AU2137301A (en) | 1999-12-23 | 2000-12-19 | Electrochemical method for determinating lignin content of pulp |
AT00984729T ATE252177T1 (en) | 1999-12-23 | 2000-12-19 | ELECTROCHEMICAL METHOD FOR DETERMINING THE LIGNIN CONTENT IN PULP |
BR0016663-4A BR0016663A (en) | 1999-12-23 | 2000-12-19 | Methods to determine a pulp's cover number or lignin content, and to analyze a pulp's lignin content, and automated online procedure for determining the cover number |
EP00984729A EP1240384B1 (en) | 1999-12-23 | 2000-12-19 | Electrochemical method for determining lignin content of pulp |
DE60005997T DE60005997D1 (en) | 1999-12-23 | 2000-12-19 | ELECTROCHEMICAL METHOD FOR DETERMINING THE LIGNIN CONTENT IN PULP |
US10/157,601 US20020144795A1 (en) | 1999-12-23 | 2002-05-30 | Electrochemical method for determinating lignin content of pulp |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002293223A CA2293223C (en) | 1999-12-23 | 1999-12-23 | Electrochemical method for determinating lignin content of pulp |
CA2,293,223 | 1999-12-23 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/157,601 Continuation US20020144795A1 (en) | 1999-12-23 | 2002-05-30 | Electrochemical method for determinating lignin content of pulp |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001048307A1 WO2001048307A1 (en) | 2001-07-05 |
WO2001048307A8 true WO2001048307A8 (en) | 2002-01-24 |
Family
ID=4164977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA2000/001518 WO2001048307A1 (en) | 1999-12-23 | 2000-12-19 | Electrochemical method for determinating lignin content of pulp |
Country Status (11)
Country | Link |
---|---|
US (1) | US20020144795A1 (en) |
EP (1) | EP1240384B1 (en) |
JP (1) | JP2003518613A (en) |
AT (1) | ATE252177T1 (en) |
AU (1) | AU2137301A (en) |
BR (1) | BR0016663A (en) |
CA (1) | CA2293223C (en) |
DE (1) | DE60005997D1 (en) |
ES (1) | ES2208445T3 (en) |
PT (1) | PT1240384E (en) |
WO (1) | WO2001048307A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10043893A1 (en) * | 2000-09-06 | 2002-03-14 | Voith Paper Patent Gmbh | Process for carrying out a flotation, bleaching and / or dispersing process used for fiber or paper production |
TR201809912T4 (en) | 2006-02-14 | 2018-07-23 | Bp Corp North America Inc | Xylanases, nucleic acids encoding them, and methods for making and using them. |
AU2008307371B2 (en) | 2007-10-03 | 2015-05-28 | Bp Corporation North America Inc. | 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 (en) * | 2017-08-08 | 2019-09-06 | 福建农林大学 | A kind of online test method and device of the sulfate pulping process paper pulp kappa number based on flow analysis |
CN107589158B (en) * | 2017-08-08 | 2019-09-06 | 福建农林大学 | A kind of online test method and device of the sulfate pulping process paper pulp kappa number based on double electrochemical sensors |
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 (en) * | 1986-09-08 | 1990-06-11 | Savcor Consulting Oy | Method for controlling cellulose boiling |
DD280790A1 (en) * | 1987-04-14 | 1990-07-18 | Akad Wissenschaften Ddr | BIOSENSOR AND METHOD FOR DETERMINING MEDIATORS |
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 (en) * | 1997-09-27 | 1999-04-01 | Degussa | Process for delignifying and bleaching pulps using electrochemically oxidizable organic compounds |
US5953111A (en) * | 1997-12-11 | 1999-09-14 | Honeywell Inc. | Continuous in-line kappa measurement system |
WO1999054545A1 (en) * | 1998-04-16 | 1999-10-28 | Pulp And Paper Research Institute Of Canada | Oxidase process for pulp and dye oxidation |
-
1999
- 1999-12-23 CA CA002293223A patent/CA2293223C/en not_active Expired - Fee Related
-
2000
- 2000-12-19 PT PT00984729T patent/PT1240384E/en unknown
- 2000-12-19 BR BR0016663-4A patent/BR0016663A/en not_active IP Right Cessation
- 2000-12-19 EP EP00984729A patent/EP1240384B1/en not_active Expired - Lifetime
- 2000-12-19 WO PCT/CA2000/001518 patent/WO2001048307A1/en active IP Right Grant
- 2000-12-19 ES ES00984729T patent/ES2208445T3/en not_active Expired - Lifetime
- 2000-12-19 JP JP2001548803A patent/JP2003518613A/en active Pending
- 2000-12-19 DE DE60005997T patent/DE60005997D1/en not_active Expired - Lifetime
- 2000-12-19 AT AT00984729T patent/ATE252177T1/en not_active IP Right Cessation
- 2000-12-19 AU AU21373/01A patent/AU2137301A/en not_active Abandoned
-
2002
- 2002-05-30 US US10/157,601 patent/US20020144795A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1240384B1 (en) | 2003-10-15 |
ATE252177T1 (en) | 2003-11-15 |
PT1240384E (en) | 2004-03-31 |
CA2293223A1 (en) | 2001-06-23 |
CA2293223C (en) | 2004-02-10 |
JP2003518613A (en) | 2003-06-10 |
DE60005997D1 (en) | 2003-11-20 |
AU2137301A (en) | 2001-07-09 |
WO2001048307A1 (en) | 2001-07-05 |
ES2208445T3 (en) | 2004-06-16 |
EP1240384A1 (en) | 2002-09-18 |
US20020144795A1 (en) | 2002-10-10 |
BR0016663A (en) | 2002-09-03 |
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