FI126688B - Menetelmä ja laite nanofibrilliselluloosan laadun tarkkailemiseksi - Google Patents

Menetelmä ja laite nanofibrilliselluloosan laadun tarkkailemiseksi Download PDF

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Publication number
FI126688B
FI126688B FI20145631A FI20145631A FI126688B FI 126688 B FI126688 B FI 126688B FI 20145631 A FI20145631 A FI 20145631A FI 20145631 A FI20145631 A FI 20145631A FI 126688 B FI126688 B FI 126688B
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Prior art keywords
cellulose
quality
pulp
turbidity
measurement
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FI20145631A
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English (en)
Swedish (sv)
Inventor
Markus Nuopponen
Juha Tamper
Isko Kajanto
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Upm Kymmene Corp
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Priority to FI20145631A priority Critical patent/FI126688B/fi
Priority to PCT/FI2015/050285 priority patent/WO2016001480A1/en
Priority to CN201580035696.4A priority patent/CN106461550B/zh
Priority to EP15722556.6A priority patent/EP3161208B1/en
Priority to JP2016575736A priority patent/JP6534688B2/ja
Priority to US15/321,204 priority patent/US10119919B2/en
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Publication of FI126688B publication Critical patent/FI126688B/fi

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    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/82—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a precipitate or turbidity
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02—Cellulose; Modified cellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02—Cellulose; Modified cellulose
    • C08L1/04—Oxycellulose; Hydrocellulose, e.g. microcrystalline cellulose
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/18—Highly hydrated, swollen or fibrillatable fibres
    • 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
    • G01N21/21—Polarisation-affecting properties
    • G01N21/23—Bi-refringence
    • 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
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/51—Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • 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
    • G01N2021/3185—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry typically monochromatic or band-limited
    • G01N2021/3188—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry typically monochromatic or band-limited band-limited
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G01N2201/06113—Coherent sources; lasers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/062—LED's

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Automation & Control Theory (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Paper (AREA)

Claims (15)

1. Menetelmä tuotantoprosessissa, jossa hajotetaan selluloosamassan kuituja, valmistetun nanofibrilliselluloosan laadun valvomiseksi, tunnettu siitä, että menetelmässä - mitataan mainitusta hajotusprosessista saatua nanofibriliselluloosaa sisältävän dispersion sameutta optisesti reaaliajassa, ja - määritetään mainitun tuotetun nanofibrilliselluloosan laatu mitatun sameuden ja tuotetun nanofibrilliselluloosan mainitun laadun välisen korrelaation avulla, jolloin alentunut sameus osoittaa nanofibrilliselluloosan parempaa laatua.
2. Patenttivaatimuksen 1 mukainen menetelmä, jossa sameusmittaus suoritetaan mainitun dispersion 0,15-10 %:n, kuten 1—5 %:n, esimerkiksi 1,5-4 %:n sakeudessa.
3. Patenttivaatimuksen 1 tai 2 mukainen menetelmä, jossa nanofibrilliselluloosan laatu käsittää mainitun nanofibrilliselluloosan fibrilloitumisasteen.
4. Jonkin edellisen patenttivaatimuksen mukainen menetelmä, jossa sameusmittaus on valonsirontamittaus.
5. Jonkin patenttivaatimuksen 1-3 mukainen menetelmä, jossa sameus-mittaus on absorptiomittaus.
6. Jonkin edellisen patenttivaatimuksen mukainen menetelmä, jossa optinen mittaus suoritetaan aallonpituusalueella 260-900 nm, kuten 400-890 nm.
7. Jonkin edellisen patenttivaatimuksen mukainen menetelmä, jossa nanofibrilliselluloosaa sisältävän dispersion virtausnopeus on 0,01-5 m/s, kuten 0,1-3 m/s.
8. Jonkin edellisen patenttivaatimuksen mukainen menetelmä, jossa massa on muunnettua massaa, kuten hapetettua massaa, anionista massaa, kationista massaa tai entsymaattisesti muunnettua massaa.
9. Laite tuotantoprosessissa, jossa hajotetaan selluloosamassan kuituja, valmistetun nanofibrilliselluloosan laadun valvomiseksi, joka laite on järjestetty vai- vomaan dispersiota, joka sisältää mainittua tuotettua nanofibrilliselluloosaa, joka on saatu hajotuslaitteesta, tunnettu siitä, että valvontalaite käsittää - välineet mainitun dispersion sameuden mittaamiseksi optisesti reaaliajassa, ja - välineet mainitun tuotetun nanofibrilliselluloosan laadun määrittämiseksi mitatun sameuden ja tuotetun nanofibrilliselluloosan mainitun laadun välisen korrelaation avulla, jolloin alentunut sameus osoittaa nanofibrilliselluloosan parempaa laatua, käyttämällä jonkin edellisen patenttivaatimuksen mukaista menetelmää.
10. Patenttivaatimuksen 9 mukainen laite, jossa välineet mainitun dispersion sameuden mittaamiseksi optisesti reaaliajassa käsittävät turbidimetrin, joka on valittu esimerkiksi nefelometrin ja absorptioturbidimetrin joukosta.
11. Patenttivaatimuksen 9 tai 10 mukainen laite, jossa massanhajotuslaite on valittu roottori-roottoridispergaattorin, dispergaattorin, homogenisaattorin, hier-timen, jauhimen, kolloidisekoittimen, kitkajauhimen, sauvamyllyn, ultraääni-sonikaattorin ja fluidisaattorin joukosta.
12. Laitekokoonpano, joka käsittää jonkin patenttivaatimuksen 9-11 mukaisen laitteen liitettynä ainakin yhteen massanhajotuslaitteeseen.
13. Patenttivaatimuksen 12 mukainen laitekokoonpano, joka kokoonpano käsittää ainakin kaksi hajotuslaitetta.
14. Patenttivaatimuksen 13 mukainen laitekokokoonpano, joka kokoonpano käsittää ainakin kaksi laitetta nanofibrilliselluloosan laadun valvomiseksi, jotka on kukin liitetty eri hajotuslaitteeseen mainituista ainakin kahdesta hajotus-laitteesta.
15. Jonkin patenttivaatimuksen 12-14 mukainen laitekokoonpano, joka käsittää ohjauselimet, jotka on järjestetty ohjaamaan ainakin yhtä mainittua hajotuslaitetta mainitusta ainakin yhdestä hajotuslaitteesta saadun nanofibrilliselluloosan valvotun laadun perusteella.
FI20145631A 2014-06-30 2014-06-30 Menetelmä ja laite nanofibrilliselluloosan laadun tarkkailemiseksi FI126688B (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20145631A FI126688B (fi) 2014-06-30 2014-06-30 Menetelmä ja laite nanofibrilliselluloosan laadun tarkkailemiseksi
PCT/FI2015/050285 WO2016001480A1 (en) 2014-06-30 2015-04-27 Method and device for monitoring the quality of nanofibrillar cellulose
CN201580035696.4A CN106461550B (zh) 2014-06-30 2015-04-27 监测纳米原纤纤维素的品质的方法和设备
EP15722556.6A EP3161208B1 (en) 2014-06-30 2015-04-27 Method and device for monitoring the quality of nanofibrillar cellulose
JP2016575736A JP6534688B2 (ja) 2014-06-30 2015-04-27 ナノフィブリルセルロースの品質を監視するための方法および装置
US15/321,204 US10119919B2 (en) 2014-06-30 2015-04-27 Method and device for monitoring the quality of nanofibrillar cellulose

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FI20145631A FI126688B (fi) 2014-06-30 2014-06-30 Menetelmä ja laite nanofibrilliselluloosan laadun tarkkailemiseksi

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US (1) US10119919B2 (fi)
EP (1) EP3161208B1 (fi)
JP (1) JP6534688B2 (fi)
CN (1) CN106461550B (fi)
FI (1) FI126688B (fi)
WO (1) WO2016001480A1 (fi)

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Publication number Publication date
CN106461550B (zh) 2019-11-29
WO2016001480A1 (en) 2016-01-07
JP6534688B2 (ja) 2019-06-26
JP2017521570A (ja) 2017-08-03
EP3161208B1 (en) 2019-01-09
US10119919B2 (en) 2018-11-06
EP3161208A1 (en) 2017-05-03
CN106461550A (zh) 2017-02-22
US20170160206A1 (en) 2017-06-08

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