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Solid-Liquid Mass Transfer in Gas-Solid-Liquid 3-Phase System Agitated Vessel  

Lee, Young Sei (School of Applied Chemical Engineering, Sangju National University)
Kato, Yoshihito (Department of Life & Material Engineering, Nagoya Institute of Technology)
Suzuki, Junichiro (Department of Life & Material Engineering, Nagoya Institute of Technology)
Publication Information
Applied Chemistry for Engineering / v.17, no.5, 2006 , pp. 509-516 More about this Journal
Abstract
The solid-liquid mass transfer coefficients $k_L$ in a gas-liquid-solid three phases agitated vessel were measured with conventional impellers (e.g. Rushton turbine, paddle, and propeller). For the conventional impellers the rotational speed for the complete suspension $N_{js}$ changes with the impeller height and gas flow rate. Mass transfer coefficient of the Rushton turbin impeller, for which the particle suspension was independent of the aeration, is correlated only with Pgv. Mass transfer coefficients $k_L$ for the Rushton turbine, paddle and propeller impellers were affected by the impeller position.
Keywords
mass transfer coefficients; rotational speed for complete suspension; aeration power consumption; agitation power consumption; conventional impellers;
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