Electrowinning
Electrowinning means a process that uses induced voltage on anode and cathode plates to remove metals from the continuous flow of solution, where the gold in solution is plated onto the cathode. Steel wool is typically used as the plating surface.
Source
40 CFR § 63.11651
Scoping language
Terms used in this subpart are defined in the Clean Air Act, in 63.2, and in this section as follows: