[go: up one dir, main page]

BR9814635B1 - processos para determinar a concentraÇço de espÉcies aniânicas, e para controlar a operaÇço de operaÇÕes unitÁrias individuais dentro de um processo de manufatura de polpa celulàsica, e, aparelho para determinar a concentraÇço de uma espÉcie aniânica selecionada a partir do grupo que consiste de oh-, co3= e hs- em uma soluÇço aquosa. - Google Patents

processos para determinar a concentraÇço de espÉcies aniânicas, e para controlar a operaÇço de operaÇÕes unitÁrias individuais dentro de um processo de manufatura de polpa celulàsica, e, aparelho para determinar a concentraÇço de uma espÉcie aniânica selecionada a partir do grupo que consiste de oh-, co3= e hs- em uma soluÇço aquosa.

Info

Publication number
BR9814635B1
BR9814635B1 BRPI9814635-1A BR9814635A BR9814635B1 BR 9814635 B1 BR9814635 B1 BR 9814635B1 BR 9814635 A BR9814635 A BR 9814635A BR 9814635 B1 BR9814635 B1 BR 9814635B1
Authority
BR
Brazil
Prior art keywords
concentration
determining
anionic species
processes
aqueous solution
Prior art date
Application number
BRPI9814635-1A
Other languages
English (en)
Other versions
BR9814635A (pt
Inventor
Michael Kester
Denys F Leclerc
Thanh P Trung
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 filed Critical
Publication of BR9814635A publication Critical patent/BR9814635A/pt
Publication of BR9814635B1 publication Critical patent/BR9814635B1/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Paper (AREA)
BRPI9814635-1A 1997-11-12 1998-11-03 processos para determinar a concentraÇço de espÉcies aniânicas, e para controlar a operaÇço de operaÇÕes unitÁrias individuais dentro de um processo de manufatura de polpa celulàsica, e, aparelho para determinar a concentraÇço de uma espÉcie aniânica selecionada a partir do grupo que consiste de oh-, co3= e hs- em uma soluÇço aquosa. BR9814635B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002220913A CA2220913C (en) 1997-11-12 1997-11-12 Determination of anionic species concentration by near infrared spectroscopy
PCT/CA1998/001024 WO1999024815A1 (en) 1997-11-12 1998-11-03 Determination of anionic species concentration by near infrared spectroscopy

Publications (2)

Publication Number Publication Date
BR9814635A BR9814635A (pt) 2000-10-03
BR9814635B1 true BR9814635B1 (pt) 2008-11-18

Family

ID=4161762

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9814635-1A BR9814635B1 (pt) 1997-11-12 1998-11-03 processos para determinar a concentraÇço de espÉcies aniânicas, e para controlar a operaÇço de operaÇÕes unitÁrias individuais dentro de um processo de manufatura de polpa celulàsica, e, aparelho para determinar a concentraÇço de uma espÉcie aniânica selecionada a partir do grupo que consiste de oh-, co3= e hs- em uma soluÇço aquosa.

Country Status (6)

Country Link
EP (1) EP1031023B1 (pt)
AU (1) AU1016099A (pt)
BR (1) BR9814635B1 (pt)
CA (1) CA2220913C (pt)
DE (1) DE69825071D1 (pt)
WO (1) WO1999024815A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2271221C (en) * 1999-05-05 2007-12-18 Kvaerner Canada Inc. Determination of ionic species concentration by near infrared spectroscopy
JP2003510601A (ja) * 1999-09-28 2003-03-18 ブラン ＋ ルーベ ゲーエムベーハー Ｎｉｒでの豚肉脂肪中のｐｃｂの測定
US6635147B1 (en) * 2000-05-14 2003-10-21 U.S. Borax Inc. Method for analyzing boron-containing alkaline pulping liquors
CN103257122A (zh) * 2013-06-04 2013-08-21 浙江中一检测研究院股份有限公司 一种三波长红外检测车间空气中油雾的方法
US10175218B2 (en) 2016-12-16 2019-01-08 Farmers Edge Inc. Classification of soil texture and content by near-infrared spectroscopy
CN111855595B (zh) * 2020-08-24 2022-04-05 四川长虹电器股份有限公司 一种基于黑白校准板的光谱数据校准方法
CN112763450A (zh) * 2020-12-14 2021-05-07 中国原子能科学研究院 一种同时测定水溶液中硝酸铝和硝酸浓度的方法
CN117214125B (zh) * 2023-11-09 2024-01-26 南京盛略科技有限公司 一种基于检测光纤的液体成分检测系统及方法
CN119198627B (zh) * 2024-11-07 2025-02-21 泰和新材集团股份有限公司 一种间位芳纶树脂pH值快速在线检测方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5282931A (en) * 1992-07-08 1994-02-01 Pulp And Paper Research Institute Of Canada Determination and control of effective alkali in kraft liquors by IR spectroscopy
US5616214A (en) * 1995-09-12 1997-04-01 Pulp And Paper Research Institute Of Canada Determination of sodium sulfide and sulfidity in green liquors and smelt solutions

Also Published As

Publication number Publication date
EP1031023B1 (en) 2004-07-14
EP1031023A1 (en) 2000-08-30
CA2220913A1 (en) 1999-05-12
BR9814635A (pt) 2000-10-03
CA2220913C (en) 2003-01-21
AU1016099A (en) 1999-05-31
DE69825071D1 (de) 2004-08-19
WO1999024815A1 (en) 1999-05-20

Similar Documents

Publication Publication Date Title
PT1149136T (pt) Processo de tratamento de pigmentos, cargas ou minerais contendo um carbonato natural e processo de fabrico de uma suspensão aquosa a partir desses pigmentos, cargas ou minerais tratados
BR9814354B1 (pt) método para criar, desidratar e diluir uma pasta de fibra que compreende água, fibras ceculósicas e um aditivo quìmico adsorvìvel e método para formar um produto de papel da pasta de fibra.
DE69505857D1 (de) Vorrichtung zur Durchführung von chemischen Reaktionen welche, mindestens während des Startens, eine Zufuhr von Kalorien nötig haben
DE69534405D1 (de) Vorrichtung zum gewinnen von autologen, mikrovaskulären endothelialen zellen enthaltendem fettgewebe
BR9913367B1 (pt) processo para tratar um material tÊxtil.
BR9909395B1 (pt) composiÇço detergente aquosa, e, processo de preparaÇço da mesma.
BR9913611B1 (pt) processo para regenerar um catalisador de oxidação "on-line e processo para preparar uma olefina".
DE3382286D1 (de) Verfahren und vorrichtung zum behandeln von fluessigkeiten, insbesondere entsalzen waessriger loesungen.
BR9612865B1 (pt) método para processamento de informação de guia de programa.
ATE340284T1 (de) Hochverzweigte polymere zur antiknitterausrüstung von cellulosehaltigen textilien
BR9914536B1 (pt) nço tecido perfurado, processo para sua produÇço, e referido uso.
ATE264931T1 (de) Vorrichtung und verfahren zum spinnen von materialien
DE69918849D1 (de) Verfahren zur vorbehandlung oder vorentfleckung von wäsche
ZA200108985B (en) Apparatus, system and methods for processing and treating a biological fluid with light.
ZA200105034B (en) Computer automated process for analysing & interpreting engineering drawings.
BR9814635B1 (pt) processos para determinar a concentraÇço de espÉcies aniânicas, e para controlar a operaÇço de operaÇÕes unitÁrias individuais dentro de um processo de manufatura de polpa celulàsica, e, aparelho para determinar a concentraÇço de uma espÉcie aniânica selecionada a partir do grupo que consiste de oh-, co3= e hs- em uma soluÇço aquosa.
BR0211930B1 (pt) processo para tratamento de fibras para fabricaÇço de papel.
BR9713652B1 (pt) processo para a produção de microcápsulas contendo um material aquoso dentro de uma estrutura polimérica.
PT89361A (pt) Processo para o branqueamento e esterilizacao de artigos de cortica e artigos de cortica branqueados pelo referido processo
BR9205620A (pt) Polpa quimica, e, processo de branqueamento de polpa quimica.
BR0204620B1 (pt) processo para o tratamento de condensados que contÊm compostos.
FI961419A7 (fi) Menetelmä kemiallisen paperimassan käsittelemiseksi käyttämättä klooripitoisia kemikaaleja
ITBO970266A0 (it) Macchina operatrice e relatico processo, per la lavorazione di pannell i.
DE59504649D1 (de) Vorrichtung zur entwässerung und bzw. oder wäsche von suspensionen, insbesondere faserstoffsuspensionen
BRPI0409416A (pt) processo para o tratamento de superfìcies de papel, papel, e, usos de um papel, e de uma dispersão aquosa

Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: PULP AND PAPER RESEARCH INSTITUTE OF CANADA (CA)

Free format text: TRANSFERIDO DE: KVAERNER CANADA INC.

B25A Requested transfer of rights approved

Owner name: FPINNOVATIONS (CA)

Free format text: TRANSFERIDO DE: PULP AND PAPER RESEARCH INSTITUTE OF CANADA

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 18/11/2008, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 18.11.2018