Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1976-05-25
1978-02-07
Bascomb, Jr., Wilbur L.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 62, 423 22, 423 34, B01D 2101
Patent
active
040726053
ABSTRACT:
A method and process for removal by precipitation of salts of a variety of metallic elements from aqueous solutions, including for example, copper, cadmium, chromium, zinc, nickel, lead, tin, platinum, rhodium and others with each of the metallic elements having multiple valent states. The process includes the establishment of a simultaneous oxidative-reductive cycle within the aqueous solutions, with the oxidative-reductive cycle normally being generated through the use of iodine, normally in the form of the iodide or iodate and phosphorous acid. In certain reactions, it is desirable that the pH be controlled and in such solutions, the phosphorous acid may be added in the form of a sodium salt of phosphorous acid. In the utilization of the multivalent materials, the least soluble salt generated during the oxidative-reductive cycle is removed.
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patent: 3819051 (1974-06-01), Henley et al.
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Automated Medical Systems, Inc.
Bascomb, Jr. Wilbur L.
Haugen Orrin M.
Spitzer Robert H.
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