BR0016663A - 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 - Google Patents

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

Info

Publication number
BR0016663A
BR0016663A BR0016663-4A BR0016663A BR0016663A BR 0016663 A BR0016663 A BR 0016663A BR 0016663 A BR0016663 A BR 0016663A BR 0016663 A BR0016663 A BR 0016663A
Authority
BR
Brazil
Prior art keywords
pulp
lignin content
lignin
cover
cover number
Prior art date
Application number
BR0016663-4A
Other languages
English (en)
Portuguese (pt)
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
Publication of BR0016663A publication Critical patent/BR0016663A/pt

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)
BR0016663-4A 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 BR0016663A (pt)

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
BR0016663A true BR0016663A (pt) 2002-09-03

Family

ID=4164977

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (11)

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

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
CA2638801C (en) 2006-02-14 2016-12-13 Verenium Corporation 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 (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
ATE224476T1 (de) * 1998-04-16 2002-10-15 Pulp Paper Res Inst Verfahren zur zellstoff- und farbstoffoxidation mittels oxidase

Also Published As

Publication number Publication date
CA2293223A1 (en) 2001-06-23
AU2137301A (en) 2001-07-09
ATE252177T1 (de) 2003-11-15
JP2003518613A (ja) 2003-06-10
WO2001048307A8 (en) 2002-01-24
EP1240384B1 (en) 2003-10-15
US20020144795A1 (en) 2002-10-10
PT1240384E (pt) 2004-03-31
WO2001048307A1 (en) 2001-07-05
DE60005997D1 (de) 2003-11-20
EP1240384A1 (en) 2002-09-18
ES2208445T3 (es) 2004-06-16
CA2293223C (en) 2004-02-10

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1929 DE 26/12/2007.