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Effects of Electrolytes on Stability of Homogeneous Regime in Bubble Columns

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985858%3A_____%2F06%3A00055228" target="_blank" >RIV/67985858:_____/06:00055228 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Effects of Electrolytes on Stability of Homogeneous Regime in Bubble Columns

  • Original language description

    The aim of this contribution is to observe the influence of electrolyte solution properties on the stability of the homogeneous regime and on the formation of the transition regime. The measurements are performed in a bubble column with a brass perforated plate with 0.5 mm orifices and relative free area phi = 0.002. The plate allows formation of subsequent generation of the homogeneous, transition and heterogeneous regimes with increasing gas flow rate. The aqueous solutions of CaCl2 are used as a liquid phase. The gas hold-up is determined by the bed expansion. The dependence of the gas hold-up on the gas flow rate is evaluated. The drift flux plot is applied to obtain the critical point where the homogeneous regime loses stability and the transitionbegins.

  • Czech name

    Vliv elektrolytu na stabilitu režimů v probublávaných kolonách

  • Czech description

    Byl studován vliv elektrolytu na stabilitu homogenního režimu. Experimenty byly provedeny ve válcové koloně s mosazným perforovaným patrem. Velikost otvorů byla 0,5 mm a volná plocha patra phi = 0,002. Tento typ patra dovoluje provozovat kolonu jak v homogenním tak i v heterogenním režimu. Roztok CaCl2 o různých koncentracích byl použit jako kapalná fáze. Zádrž plynu v koloně byla měřena z expanze vrstvy. Závislost zádrže plynu na průtoku plynu byla zpracována. Byl vyhodnocen kritický bod ve kterém nastává nestabilita homogenního režimu a začíná jeho přechod k režimu heterogennímu.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    CI - Industrial chemistry and chemical engineering

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Proceedings

  • ISBN

    80-227-2409-2

  • ISSN

  • e-ISSN

  • Number of pages

    4

  • Pages from-to

    263

  • Publisher name

    Slovak Society of Chemical Engineering

  • Place of publication

    Bratislava

  • Event location

    Tatranské Matliare

  • Event date

    May 22, 2006

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article