FIELD: plating processes and equipment, possibly protecting against corrosion inner surfaces of metallic tubes operating in aggressive media.
SUBSTANCE: method comprises steps of electrochemical DC deposition of metal onto inner surface of tubes filled with aqueous solution of salt of deposited metal during circulation of aqueous solution inside tubes; passing alternating electric current on tubes during metal deposition process.
EFFECT: intensified degree of electrochemical plating for protecting inner surface of tubes against corrosion.
2 dwg
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