Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1976-03-31
1977-09-06
Wyse, Thomas G.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
204108, 210 36, 210 38B, 423 87, B01D 1506
Patent
active
040466876
ABSTRACT:
A process for the adsorptive removal of one or more impurity elements, selected from the group which consists of: arsenic, antimony and bismuth, from an aqueous solution containing same in which the solution is contacted with a water-insoluble or low-solubility salt of phosphoric acid or a phosphoric acid ester (phosphate ester) on a porous substrate.
REFERENCES:
patent: 3332737 (1967-07-01), Kraus
patent: 3696012 (1972-10-01), Schulze
Cintins Ivars
Norddeutsche Affinerie
Ross Karl F.
Wyse Thomas G.
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