| 摘要 |
PURPOSE:To efficiently sterilize a water conduit, by providing an electrolytic apparatus in the water conduit and performing electrolysis while an aqueous inorg. halide solution is recirculated in the water conduit. CONSTITUTION:An anode 32 and a cathode 33 are provided to the lower part of a water conduit 1 and a DC current is supplied to both electrodes from a power source 34. An aqueous inorg. halide solution is passed through the water conduit 1 and the available chlorine concn. of the inorg halide is adjusted to about 0.5-500ppm. By this method, the aqueous inorg. halide solution is electrolyzed in the water conduit 1 under recirculation to make it possible to uniformly disinfect the water conduit. As inorg. halide, NaCl, KCl, LiCl, AlCl3 or the like can be used.
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