| 摘要 |
PROBLEM TO BE SOLVED: To provide a water treating apparatus 1 in which rapid corrosion of a cathode side electrode 111 caused by the acid is prevented, manufacturing, transport, installation, etc., are carried out at the minimum labor and the minimum cost according to a quantity of water to be treated, and the change of the quantity of water is flexibly coped with when the electrodes 111 each having a function to reduce nitrogen oxides through an electrochemical reaction and anode side electrodes 112 are arrayed alternately and parallel to each other. SOLUTION: The corrosion of the electrode 111 is prevented by arranging the anode side electrodes 112 at both ends which easily corrode, closely contacting the outside faces of the electrodes 111 which easily corrode at both ends to the inside wall 110a of an electrolytic cell 110, integrating the electrode 111 with the electrolytic cell 110, or connecting the anode side by making the electrolytic cell 110 electrically conductive. The quantity of water is flexibly coped with by unitizing a denitrification means 11 including the electrodes 111 and 112 with a power supply circuit 13 and controlling one or more units U simultaneously by using a control circuit 30. COPYRIGHT: (C)2004,JPO
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