Moving bed ion-exchange apparatus and operating method thereof

Details Moving bed ion-exchange apparatus and operating method thereof Moving bed ion-exchange apparatus and operating method thereof

1974-08-05

1976-07-13

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 33, 210 96R, 210189, B01D 1502

Patent

active

039692434

ABSTRACT:
A method of and an apparatus for the moving-bed ion-exchange treatment of a salt-containing solution, especially for the treatment of the effluence of a fertilizer plant. The ion-contaminated aqueous solution is conducted through a first zone in an upright column containing the ion-exchange resin to remove contaminating ions. The liquid free from the contaminating ions is led from this zone and the bed is hydraulically displaced to a second zone in the bight between the aforementioned column and a second vertical column. In the bight, the bed is confined between two valve members and is rinsed and cooled with a rinsing and cooling liquid. The resin is then hydraulically displaced into the second column where it is treated with a regenerating solution, is then rinsed and is hydraulically transported to the first column.

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patent: 3915861 (1975-10-01), Marquardt

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