Job Descriptions and Job Titles for:
"NICKEL-PLANT OPERATOR"
DOT:
519.362-010
Controls electrolysis tanks to purify electrolyte used in copper refining by removing copper, arsenic, and nickel: Places lead anodes and copper cathode starting sheets in tanks and turns valves to fill tanks with impure electrolyte. Switches on current and starts circulation pumps to remove copper from solution and deposit it onto cathode. Pumps solution into high-voltage tank system to deposit arsenic on cathodes. Pumps electrolyte from high-voltage tanks into evaporators that concentrate solution to specified specific gravity. Turns valves to drain condensed solution into settling tanks and to recover acid after nickel sulfate has settled.
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