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electrorefining

 
Sci-Tech Dictionary: electrorefining
(i¦lek·trō·ri′fīn·iŋ)

(chemical engineering) Petroleum refinery process for light hydrocarbon streams in which an electrostatic field is used to assist in separation of chemical treating agents (acid, caustic, doctor) from the hydrocarbon phase.
(metallurgy) Purifying metals by electrolysis using an impure metal as anode from which the pure metal is dissolved and subsequently deposited at the cathode. Also known as electrolytic refining.


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Explain how the principles of electrochemistry are used in electrolysis and electroplating as well as anodizing and electrorefining?
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