| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid treatment method suppressing the creeping discharge generated on the surface of an insulating material provided in order to suppress the leak current to a liquid to be treated when the liquid is modified by forming a discharge state between electrodes by applying high voltage pulses to the liquid to efficiently perform discharge treatment, and an apparatus therefor. SOLUTION: In the liquid treatment method for modifying the liquid present between a pair of electrodes by providing at least a pair of electrodes and arranging a pair of the electrodes so that at least one electrode among them is protruded from the insulating material to be immersed in the liquid and applying high voltage pulses across a pair of the electrodes to form a discharge state between the electrodes, an electric field relaxing region is formed in the vicinity of the boundary part with the electrodes immersed in the liquid in the insulating material and, for example, a high dielectric material is arranged to form the electric field relaxing region.
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