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Mass transfer in three-phase fluidized beds [electronic resource].

Published:
Cambridge, Mass. : Massachusetts Institute of Technology, 1978.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: 27 : digital, PDF file
Additional Creators:
Massachusetts Institute of Technology and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
The effects of superficial liquid and gas velocity, particle diameter, liquid viscosity, and column diameter on liquid dispersion (E/sub L) and mass transfer (K/sub L/a) in three-phase fluidized beds were investigated using a water--glycerol/oxygen--nitrogen (or oxygen--argon)/glass-bead system. Overall mass transfer coefficients were calculated based on plug flow, dispersed plug flow, and continuously stirred tank models. k/sub L/a was found to increase with gas velocity and particle diameter, but no correlation of K/sub L/a with liquid velocity was observed. At low liquid velocities, K/sub L/a was lower for the more viscous liquid; the reverse was true at high liquid flow rates. E/sub L/ increased rapidly for liquid flow rates at two to three times the minimum fluidization velocity.
Report Numbers:
E 1.99:ornl/mit-272
ornl/mit-272
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
04/26/1978.
"ornl/mit-272"
Wu, B.W.; Cheng, Y.L.; Perini, J.R.; Roux-Buisson, J.L.
Funding Information:
W-7405-ENG-26
View MARC record | catkey: 14116410