Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1980-08-25
1981-12-15
Gantz, Delbert E.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204275, C21D 2112, C25C 700
Patent
active
043058051
ABSTRACT:
This invention is a combination of a silver recovery apparatus, a silver solution source, and a holding tank. The solution accumulates in the holding tank to a given quantity. Then this quantity is reached, a switch activated by a float member operates a valve device in a pipe or conduit connecting the tank and the silver recovery apparatus, allowing flow of the solution from the holding tank to the silver recovery apparatus. A flow metering valve is also provided in the conduit from the holding tank to the silver recovery apparatus to control the rate of flow therethrough. The switch activated by the float member also operates the silver recovery apparatus. Therefore when there is sufficient silver solution in the holding tank, the silver recovery apparatus is put in operation and silver is recovered from the solution under optimum quantity and quality control. When there is insufficient silver solution in the holding tank due to reduction of solution supply from the source, the switch device responding to the lowering of the level of solution in the tank, will close the valve device in the conduit to stop the flow of solution from the holding tank to the silver recovery apparatus and will shut off the silver recovery apparatus, thereby preventing wasting of silver.
REFERENCES:
patent: 3418225 (1968-12-01), Wick et al.
patent: 3715291 (1973-02-01), Bentley
patent: 3936363 (1976-02-01), Fessenden
patent: 3964990 (1976-06-01), Woyden
patent: 4069127 (1978-01-01), Salemi et al.
patent: 4166781 (1979-09-01), Staples
Edgerton Ronald E.
Miscik John F.
Rondeau Leon L.
Gantz Delbert E.
Leuca Walter
Valentine Donald R.
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