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| Description
| - The paper presents physical properties and kinetics data of sodium sulphite solution, pure or with additives that change surface tension and viscosity. Sokrat44 (copolymer of acrylonitrile and acrylic acid) and short-fiber arboxymethylcellulose (CMC) for the Newtonian and long-fiber CMCfor the non-Newtonian viscosity enhancement and Ocenol (cis-9-octadecen-1-ol) or polyethylenglycol (PEG) 1000 for surface tension change were used. The kinetics data are presented under the form of dependencies of oxygen absorption rate (measured in stirred cell) on atalyst (Co 2 +) concentration, oxygen concentration in gas, pH and temperature of the solution. The method based on anckwerts' plot for the separate determination of mass transfer coefficient k.... and gas-liquid interfacial area a in gas -liquid dispersions is described using the kinetics data. Problematic features of the method both at low cobalt atalyst concentrations (deceleration of the chemical oxidation of sulphite in presence of viscosity en
- The paper presents physical properties and kinetics data of sodium sulphite solution, pure or with additives that change surface tension and viscosity. Sokrat44 (copolymer of acrylonitrile and acrylic acid) and short-fiber arboxymethylcellulose (CMC) for the Newtonian and long-fiber CMCfor the non-Newtonian viscosity enhancement and Ocenol (cis-9-octadecen-1-ol) or polyethylenglycol (PEG) 1000 for surface tension change were used. The kinetics data are presented under the form of dependencies of oxygen absorption rate (measured in stirred cell) on atalyst (Co 2 +) concentration, oxygen concentration in gas, pH and temperature of the solution. The method based on anckwerts' plot for the separate determination of mass transfer coefficient k.... and gas-liquid interfacial area a in gas -liquid dispersions is described using the kinetics data. Problematic features of the method both at low cobalt atalyst concentrations (deceleration of the chemical oxidation of sulphite in presence of viscosity en (en)
- Práce prezentuje fyzikální vlastnosti a reakční kinetiku roztoků sulfitu s přídavky látek ovlivňujících viskozitu a povrchové napětí. Kinetická data jsou prezentována v závislosti na koncentraci katalyzátoru a na koncentraci kyslíku. Je diskutována problematika spojená s nízkou koncentrací katalyzátoru (snížení rychlosti chemické reakce vlivem aditiv) a s vysokou rychlostí absorpce (scvrkávání bublin). Metoda bude použita v části II k měření v mechanicky míchané disperzi. (cs)
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| Title
| - Mechanism of mass transfer from bubbles in dispersions. Part I. Danckwerts' plot method with sulphite solutions in the presence of viscosity and surface tension changing agents
- Mechanismus přestupu hmoty do turbulentní kapaliny. Část I: Danckwertsova metoda s rozotek sulfitu sodného v přítomnosti látek měnících viskozitu a povrchové napětí (cs)
- Mechanism of mass transfer from bubbles in dispersions. Part I. Danckwerts' plot method with sulphite solutions in the presence of viscosity and surface tension changing agents (en)
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| skos:prefLabel
| - Mechanism of mass transfer from bubbles in dispersions. Part I. Danckwerts' plot method with sulphite solutions in the presence of viscosity and surface tension changing agents
- Mechanismus přestupu hmoty do turbulentní kapaliny. Část I: Danckwertsova metoda s rozotek sulfitu sodného v přítomnosti látek měnících viskozitu a povrchové napětí (cs)
- Mechanism of mass transfer from bubbles in dispersions. Part I. Danckwerts' plot method with sulphite solutions in the presence of viscosity and surface tension changing agents (en)
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| skos:notation
| - RIV/60461373:22340/05:00014749!RIV06-GA0-22340___
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(GP104/05/P203), Z(MSM6046137306)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/60461373:22340/05:00014749
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Oxygen absorption; Mass transfer; Sulphite oxidation; Viscosity; Surface Tension (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Chemical Engineering and Processing
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Linek, Václav
- Kordač, Michal
- Moucha, Tomáš
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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| is http://linked.open...avai/riv/vysledek
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