SE9501280D0 - Mätning on-line av ligning i pappersmassa genom färgskiftning av fluorescens - Google Patents
Mätning on-line av ligning i pappersmassa genom färgskiftning av fluorescensInfo
- Publication number
- SE9501280D0 SE9501280D0 SE9501280A SE9501280A SE9501280D0 SE 9501280 D0 SE9501280 D0 SE 9501280D0 SE 9501280 A SE9501280 A SE 9501280A SE 9501280 A SE9501280 A SE 9501280A SE 9501280 D0 SE9501280 D0 SE 9501280D0
- Authority
- SE
- Sweden
- Prior art keywords
- fluorescence
- equation
- measurement
- line
- paper pulp
- Prior art date
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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
-
- 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
- D21C7/00—Digesters
- D21C7/12—Devices for regulating or controlling
-
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
-
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N2021/6417—Spectrofluorimetric devices
-
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N2021/6417—Spectrofluorimetric devices
- G01N2021/6421—Measuring at two or more wavelengths
-
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N2021/6484—Optical fibres
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/226,801 US5486915A (en) | 1994-04-12 | 1994-04-12 | On-line measurement of lignin in wood pulp by color shift of fluorescence |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9501280D0 true SE9501280D0 (sv) | 1995-04-06 |
SE9501280L SE9501280L (sv) | 1995-10-13 |
Family
ID=22850467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9501280A SE9501280L (sv) | 1994-04-12 | 1995-04-06 | Mätning on-line av ligning i pappersmassa genom färgskiftning av fluorescens |
Country Status (3)
Country | Link |
---|---|
US (1) | US5486915A (sv) |
FI (1) | FI951732A (sv) |
SE (1) | SE9501280L (sv) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19510008C2 (de) * | 1995-03-23 | 1997-01-30 | Siemens Ag | Verfahren und Vorrichtung zur Prozeßführung bei der Zellstoff- und/oder Papierherstellung |
US5708275A (en) * | 1996-06-07 | 1998-01-13 | Honeywell Inc. | PH measurement utilizing a light source |
DE19653530C1 (de) * | 1996-12-20 | 1998-07-23 | Siemens Ag | Verfahren und Vorrichtung zur Prozeßführung und zur Prozeßoptimierung bei der Herstellung von Zellstoff |
US5953111A (en) * | 1997-12-11 | 1999-09-14 | Honeywell Inc. | Continuous in-line kappa measurement system |
US6052177A (en) * | 1997-12-11 | 2000-04-18 | Honeywell Inc. | Apparatus used in determining the degree of completion of a processed medium |
US6069688A (en) * | 1997-12-11 | 2000-05-30 | Honeywell International Inc. | Method for producing continuous in-like kappa measurements for papermaking pulps |
US6020587A (en) * | 1998-01-06 | 2000-02-01 | United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Plant chlorophyll content meter |
US6114683A (en) * | 1998-03-02 | 2000-09-05 | The United States Of Ameria As Represented By The Administrator Of The National Aeronautics And Space Administration | Plant chlorophyll content imager with reference detection signals |
BR9901292A (pt) * | 1999-04-27 | 2000-01-04 | Aracruz Celulose | Método para controle de processo de branqueamento de polpa celulósica. |
US6551451B2 (en) | 1999-12-23 | 2003-04-22 | Pulp And Paper Research Institute Of Canada | Method for determining liquid content in chemical pulps using ramen spectrometry |
CA2293223C (en) * | 1999-12-23 | 2004-02-10 | Michael G. Paice | Electrochemical method for determinating lignin content of pulp |
US6958811B2 (en) * | 2000-06-29 | 2005-10-25 | Carl Zeiss Jena Gmbh | Method for the detection of dyes in fluorescence microscopy |
CA2323876A1 (en) * | 2000-10-19 | 2002-04-19 | Eco-Shred Ltd. | Optical paper sorting method device and apparatus |
CA2329294C (en) * | 2000-12-21 | 2007-01-02 | Pulp And Paper Research Institute Of Canada | Method and apparatus for measuring fibre properties |
US7537732B2 (en) * | 2003-02-27 | 2009-05-26 | University Of Washington | Method and apparatus for assaying wood pulp fibers |
DE10350075A1 (de) * | 2003-10-27 | 2005-06-09 | Siemens Ag | Verfahren und Vorrichtung zur Prozessführung bei der Zellstoffkochung |
JP2005257379A (ja) * | 2004-03-10 | 2005-09-22 | Fuji Seiki Mach Works Ltd | 氷スラリー濃度測定装置 |
EP2084516A1 (en) * | 2006-11-01 | 2009-08-05 | Btg Pulp & Paper Sensors Ab | A method for determining brightness of paper pulp |
US8120769B2 (en) * | 2007-08-03 | 2012-02-21 | North Carolina State University | Method and system for fiber properties measurement |
US7812947B2 (en) * | 2008-01-21 | 2010-10-12 | Honeywell International Inc. | Apparatus and method for measuring and/or controlling paper pulp properties |
EP2758595B1 (en) * | 2011-09-23 | 2016-03-23 | Nalco Company | Fluorometric method for monitoring surface additives in a papermaking process |
JP5867073B2 (ja) * | 2011-12-28 | 2016-02-24 | 富士通株式会社 | 樹脂硬化状態モニタリング装置及び樹脂硬化状態モニタリング方法 |
US9282693B2 (en) | 2013-02-20 | 2016-03-15 | Deere & Company | Data encoding with planting attributes |
US11212962B2 (en) | 2013-02-20 | 2022-01-04 | Deere & Company | Field condition determination |
US9066465B2 (en) | 2013-02-20 | 2015-06-30 | Deere & Company | Soil compaction reduction system and method |
US10178828B2 (en) | 2013-02-20 | 2019-01-15 | Deere & Company | Per plant crop sensing resolution |
US9668420B2 (en) | 2013-02-20 | 2017-06-06 | Deere & Company | Crop sensing display |
US9693503B2 (en) | 2013-02-20 | 2017-07-04 | Deere & Company | Crop sensing |
CN107614789A (zh) * | 2014-12-12 | 2018-01-19 | 坎福德纸浆公司 | 用于控制纤维素纸浆加工的方法和装置 |
FI127260B (sv) | 2016-12-08 | 2018-02-15 | Valmet Automation Oy | Förfarande och mätanordning för mätning av suspension |
FI127733B (sv) * | 2016-12-19 | 2019-01-15 | Valmet Automation Oy | Anordning och förfarande för optisk mätning av flytande ämne med vätska som medium och partiklar som inte är lösta i medium |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5166755A (en) * | 1990-05-23 | 1992-11-24 | Nahum Gat | Spectrometer apparatus |
US5220172A (en) * | 1991-09-23 | 1993-06-15 | The Babcock & Wilcox Company | Fluorescence analyzer for lignin |
US5216483A (en) * | 1991-09-23 | 1993-06-01 | The Babcock & Wilcox Company | Fluorescence analyzer for lignin |
-
1994
- 1994-04-12 US US08/226,801 patent/US5486915A/en not_active Expired - Fee Related
-
1995
- 1995-04-06 SE SE9501280A patent/SE9501280L/sv not_active Application Discontinuation
- 1995-04-11 FI FI951732A patent/FI951732A/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FI951732A (sv) | 1995-10-13 |
US5486915A (en) | 1996-01-23 |
SE9501280L (sv) | 1995-10-13 |
FI951732A0 (sv) | 1995-04-11 |
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Legal Events
Date | Code | Title | Description |
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NAV | Patent application has lapsed |
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