ATE252177T1 - Elektrochemisches verfahren zur bestimmung des ligningehalts in pulpe - Google Patents

Elektrochemisches verfahren zur bestimmung des ligningehalts in pulpe

Info

Publication number
ATE252177T1
ATE252177T1 AT00984729T AT00984729T ATE252177T1 AT E252177 T1 ATE252177 T1 AT E252177T1 AT 00984729 T AT00984729 T AT 00984729T AT 00984729 T AT00984729 T AT 00984729T AT E252177 T1 ATE252177 T1 AT E252177T1
Authority
AT
Austria
Prior art keywords
pulp
lignin
voltammetric
kappa
redox
Prior art date
Application number
AT00984729T
Other languages
English (en)
Inventor
Robert Ernest Bourbonnais
Michael Geoffrey Paice
Original Assignee
Pulp Paper Res Inst
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pulp Paper Res Inst filed Critical Pulp Paper Res Inst
Application granted granted Critical
Publication of ATE252177T1 publication Critical patent/ATE252177T1/de

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)
AT00984729T 1999-12-23 2000-12-19 Elektrochemisches verfahren zur bestimmung des ligningehalts in pulpe ATE252177T1 (de)

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
PCT/CA2000/001518 WO2001048307A1 (en) 1999-12-23 2000-12-19 Electrochemical method for determinating lignin content of pulp

Publications (1)

Publication Number Publication Date
ATE252177T1 true ATE252177T1 (de) 2003-11-15

Family

ID=4164977

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00984729T ATE252177T1 (de) 1999-12-23 2000-12-19 Elektrochemisches verfahren zur bestimmung des ligningehalts in pulpe

Country Status (11)

Country Link
US (1) US20020144795A1 (de)
EP (1) EP1240384B1 (de)
JP (1) JP2003518613A (de)
AT (1) ATE252177T1 (de)
AU (1) AU2137301A (de)
BR (1) BR0016663A (de)
CA (1) CA2293223C (de)
DE (1) DE60005997D1 (de)
ES (1) ES2208445T3 (de)
PT (1) PT1240384E (de)
WO (1) WO2001048307A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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
BRPI0707784B1 (pt) 2006-02-14 2018-05-22 Verenium Corporation Ácido nucléico isolado, sintético ou recombinante, cassete de expressão, vetor ou veículo de clonagem, célula hospedeira isolada transformada, e método para produção de um polipeptídeo recombinante
JP5744518B2 (ja) 2007-10-03 2015-07-08 ビーピー・コーポレーション・ノース・アメリカ・インコーポレーテッド キシラナーゼ、キシラナーゼをコードする核酸並びにそれらを製造及び使用する方法
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)

* Cited by examiner, † Cited by third party
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
DE69903025D1 (de) * 1998-04-16 2002-10-24 Pulp Paper Res Inst Verfahren zur zellstoff- und farbstoffoxidation mittels oxidase

Also Published As

Publication number Publication date
EP1240384A1 (de) 2002-09-18
CA2293223C (en) 2004-02-10
PT1240384E (pt) 2004-03-31
CA2293223A1 (en) 2001-06-23
ES2208445T3 (es) 2004-06-16
JP2003518613A (ja) 2003-06-10
WO2001048307A8 (en) 2002-01-24
DE60005997D1 (de) 2003-11-20
BR0016663A (pt) 2002-09-03
EP1240384B1 (de) 2003-10-15
AU2137301A (en) 2001-07-09
US20020144795A1 (en) 2002-10-10
WO2001048307A1 (en) 2001-07-05

Similar Documents

Publication Publication Date Title
Xu et al. Voltammetric microelectrodes for biocorrosion studies
ATE224476T1 (de) Verfahren zur zellstoff- und farbstoffoxidation mittels oxidase
DE60005997D1 (de) Elektrochemisches verfahren zur bestimmung des ligningehalts in pulpe
US3962029A (en) Method of controlling the amount of chemicals in liquids used within the cellulose industry and related industries
US6273994B1 (en) Method and device for measuring bleach requirement, bleachability, and effectivenss of hemicellulase enzyme treatment of pulp
CA2392292C (en) Determination of kappa number in chemical pulps by raman spectrometry
Cookeas et al. Flow injection amperometric determination of thiocyanate and selenocyanate at a cobalt phthalocyanine modified carbon paste electrode
EP0259820B1 (de) Verfahren zur Regelung von Zellulosendigestion
Bourbonnais et al. Voltammetric measurement of lignin in pulp and paper samples: An electron transfer catalytic approach with mediators
Ma et al. Soft Sensor Model of adsorbable organic halogen based on bleached pulp quality indices
US6946056B2 (en) Method for regulating the manufacturing of pulp by optically measuring the amount of hexenuronic acid
Long et al. Determination of carboxyl groups in pulp via ultraviolet spectrophotometry
Bourbonnais et al. Voltammetric analysis of the bleachability of softwood kraft pulps
Ivaska et al. Application of an amperometric sensor to in-line monitoring of pulp bleaching with chlorine dioxide
Saad et al. Some Aspects of the Cooking Degree Numbers of Unbleached High-yield Soda Bagasse Pulp
Karhu et al. Characterization of carboxyl and phenol groups in kraft pulps at different temperatures
Westbroek et al. Sensor system for simultaneous measurement of oxygen and hydrogen peroxide concentration during glucose oxidase activity
DE60007559D1 (de) Eine peroxidlösung für die bleiche enthaltend einen bleichaktivator und verfahren zu seiner verwendung
Ala-Kaila Dynamic response in pH and the transient behavior of some chemical elements in pulp-water suspensions
RU2054673C1 (ru) Способ определения концентрации лигносульфоновых кислот в сульфитных растворах
BE1009053A5 (nl) Meetelektrode geschikt om waterstofperoxideconcentratie continu te meten in een bleekbad.
Van Gorkom et al. Oxygen evolution: UV spectroscopy and O 2 polarography
CA2641691C (en) Method and apparatus for determining the total peroxide content of pulp suspension

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties