Liquid extraction process and apparatus for accomplishing...

Details Liquid extraction process and apparatus for accomplishing... Liquid extraction process and apparatus for accomplishing...

B - Operations, Transporting

01

J

23/363, 23/408

B01J 14/00 (2006.01) B01D 11/04 (2006.01)

Patent

CA 1108824

Abstract of the Disclosure A liquid extraction process using counterflowing liquid phases in a reciprocating plate extraction column in which the plates of the column are spaced with respect to one another approximately according to the equation: Image wherein ? is the plate spacing, UD is the superficial velocity of the dispersed phase at flooding, UC is the superficial velo- city of the continuous phase at flooding, .DELTA.p is the density dif- ference and .sigma. is the interfacial tension. By using the above equation the volume of column required to carry out a specific extraction is minimized. The extraction column comprises a casing, a reciprocating shaft in the casing having perforated plates and optionally baffle plates mounted thereon in a spatial relationship with re- spect to each other calculated on the basis of the equation and includes motive means and suitable cam and driving means to reciprocate the shaft.

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