Fluid/solid contacting columns

Details Fluid/solid contacting columns Fluid/solid contacting columns

1989-03-01

1990-05-08

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210676, 210684, 210688, 210189, 210268, B01D 1502

Patent

active

049236156

ABSTRACT:
A liquid/solid contacting column and method of operating same is provided. The column is of the type in which a vertical series of stages is defined by vertically spaced perforated plates or trays which allow for forward flow up the column during which solid adsorbent in a fluidized state is contacted by liquid flowing up the column, and flow of solid adsorbent and liquid down the column during a reverse flow part of the operating cycle. The column is provided with outlet means in the form of one or more ports or ducts for a stream of liquid and solid adsorbent from the space above the lowermost plate or tray and wherein such outlet means is located at a predetermined height above said lowermost plate or tray.

REFERENCES:
patent: 2742381 (1956-04-01), Weiss et al.
patent: 3935006 (1976-01-01), Fischer
patent: 3957635 (1976-05-01), Cloete et al.
patent: 4298696 (1981-11-01), Emmett

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