Flow Regimes in Slurry Bubble Columns.

0508924 - ÚCHP 2020 IT eng C - Konferenční příspěvek (zahraniční konf.)
Orvalho, Sandra - Hashida, M. - Zedníková, Mária - Stanovský, Petr - Růžička, Marek - Tomiyama, A.
Flow Regimes in Slurry Bubble Columns.
Conference Guide. Florence: Italian Association of Chemical Engineering, 2019. ISBN N.
[European Congress of Chemical Enginewering /12./. Florence (IT), 15.09.2019-19.09.2019]
Grant CEP: GA ČR(CZ) GA19-09518S
Institucionální podpora: RVO:67985858
Klíčová slova: gas-liquid systems * bubble columns * catalytic reactor
Obor OECD: Chemical process engineering

Bubble columns and sparged gas-liquid systems have wide application in chemical industry and in biotechnology, being slurry bubble column (SBC) is a special case of three-phase gas-liquid-solid. In most applications, SBC are operated under pure heterogeneous hydrodynamic regime (non-uniform, churn turbulent). However, operation of slurry bubble columns (SBC) in homogeneous regime (uniform, laminar) may be preferred in some cases like in the intensification of catalytic reactors using special distributors [1] or to secure low level of shear stresses in some bioapplications [2]. Most of the research on SBC is however dedicated to pure heterogeneous regime (PHeR) and very little attention has been paid to HoR. In the present contribution we will present a systematic study of the hydrodynamic behavior of SBC equipped with fine sparger, able to give homogeneous and heterogeneous regime and transition between them.
Trvalý link: http://hdl.handle.net/11104/0299747