Vertical column contactor

Details Vertical column contactor Vertical column contactor

1985-02-04

1987-06-02

Spear, Frank

Liquid purification or separation

Processes

Ion exchange or selective sorption

210268, 422145, 422232, B01D 1502

Patent

active

046701532

ABSTRACT:
A vertical column extractor for the continuous countercurrent treatment of a solid-liquid system wherein an active zone of mass transfer is communicated to a discharge section which is selectively isolated from the active zone for discharging the treated solids without interrupting the continuous flow of solids and liquids through the active zone. The discharge zone is characterized by a collecting chamber divided into an upper section continuously communicating with the output from the transfer zone and a lower section which is intermittently isolated from the upper section for the batch removal of the treated solids collected therein. A liquid inlet and air vent is provided in the discharge section to prevent vapor bubbles from entering the active zone.

REFERENCES:
patent: 2274003 (1942-02-01), Sheppard
patent: 2801966 (1957-08-01), Mertes et al.

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