Automatic revitalization of sulfide processing and treatment sol

Details Automatic revitalization of sulfide processing and treatment sol Automatic revitalization of sulfide processing and treatment sol

1982-08-09

1983-09-20

Adee, John

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210743, 210746, C02B 120

Patent

active

044054629

ABSTRACT:
A system and process has been devised for measuring and constantly maintaining a desired concentration of soluble sulfides in a processing solution for the purpose of fully maintaining its function. Sulfide regenerating solution is automatically introduced into the processing solution in an amount as constantly determined by concentration variations in the processing solution, to thus provide the processing solution with its most effective sulfide content. A constant take-off flow of processing solution is thoroughly mixed with a sulfide stabilizing solution flow to provide a tempered solution flow that is passed through a flow block having a sulfide measuring electrode and a reference electrode. Variable negative voltage generated on the sulfide electrode is sensed and compared with a substantially constant voltage generated on the reference electrode and is amplified in a controller assembly. The amplified energy is then employed to electrically control the introduction of a sulfide regenerating solution into the processing solution in accordance with a predetermined desired sulfide concentration thereof.

REFERENCES:
patent: 4102784 (1978-07-01), Schlauch
patent: 4278539 (1981-07-01), Santhanam et al.
patent: 4329224 (1982-05-01), Kim

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