Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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What electrode material for nickel electrowinning?
For copper electrowinning, stainless steel cathodes and lead anode are being used throughout the whole world.
I would like to know the material of electrodes currently used in nickel plants.
metallurgist of copper plant - Myanmar (Burma)
2007
2007
For the anode the choices are graphite or lead, choice will depend on the composition of your solution (chloride / sulphate usually). However both of the materials mentioned may have longevity issues
(amoungst others) and some would prefer to use a DSA which can have a lifetime measured in years if properly cared for.
Cathode choice can depend on whether the electrode is sacrificial or not and the adhesion of your plating. I understand that mild steel is quite common, although I have also heard of carbon or nickel mesh.
- Jo'burg, SA
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