Froth density profiles and froth height on perforated plate.

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概要

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• Some features of froth density distribution on a perforated plate and their effects on froth height are discussed both experimentally and theoretically. The following results are obtained: 1) Horizontal profiles of froth density in the region between the crest of outlet weir and the froth surface are uniform, while those near the plate surface are non-uniform. The vertical profiles of froth density in the region where the horizontal profiles are uniform are explained by a theoretical equation derived on the assumption that the sum of potential and kinetic energies of froth volume is minimum under steady-state conditions. 2) By this equation mentioned above, the height of the region between the froth surface and the crest of outlet weir is found to be proportional to the square root of the liquid flow rate. This relation is almost independent of the gas flow rate.

• 公益社団法人 化学工学会の論文

著者

• INOUE Ichiro

  The Institute of Physical and Chemical Research

• UNNO HAJIME

  The Institute of Physical and Chemical Research

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