PROBLEM TO BE SOLVED: To provide a method for preventing organism fouling and corrosion which can simply, economically and reliably prevent both of fouling caused by adhesion and growth of organisms and corrosion of metal parts, in a water conveyance line such as a seawater cooling line on a power plant or ironworks, and a device therefor.;SOLUTION: This method is characterized by simultaneously or alternately supplying ferrous ions from an iron electrode 1 into water and supplying copper ions from a copper electrode 2 into the water, at a part of the water conveyance line, by electrolysis by using of the iron electrode 1, the copper electrode 2, and a cathode material 3, to prevent fouling due to adhesion of organisms and corrosion of the metal parts, on the downstream side of the water conveyance line. An electrolysis between the iron electrode 1 and the copper electrode 2 by alternately changing the polarity, eliminates the need for the cathode material 3, which enables an easier and more economical implementation.;COPYRIGHT: (C)2003,JPO
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