Electrolytic metal recovery method
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United States of America Patent
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Jul 21, 1998
Grant Date -
N/A
app pub date -
Dec 4, 1996
filing date -
Jul 10, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The cell controller 18 responds to a number of specific conditions including a flow switch 24 output signal 34 which indicates that fresh solution flows from a reservoir 14 into the metal solution tank 12. The cell will be caused to operate in the plating mode in response to the detection of fresh solution flow, and cell performance can be monitored by comparing an estimate of metal released into the solution based on flow of fresh solution and a measurement of metal recovered. The invention is particularly advantageous for controlling the electrolytic recovery of silver from photographic processing solution.
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