METHOD AND APPARATUS FOR PREVENTING DECAY OF WATER-SOLUBLE OIL

摘要

PURPOSE:To make it possible to sterilize a water-soluble oil to thereby prevent the decay by incorporating specified ions into the oil by a specified method. CONSTITUTION:By using an apparatus having a constitution wherein an anode made of at least a coppery material 41 and a cathode 7 forming a pair with the anode are arranged in a flow path in a vessel preferably having an inlet 2 and an outlet 8 for a water-soluble oil, and the oil is passed through the flow path in a state in which an electric current flows between the anode and the cathode (air is ejected from a pump 9 to cause the oil to flow and be discharged through the outlet 8), electricity is turned on using at least the coppery material 41 as the anode on the way of a path through which the oil circulates, thus incorporating at least copper ions into the oil passing through the circulating path.