| 摘要 |
The invention relates to an apparatus for treating water by means of an electric field. An anode and a cathode are arranged in a treatment chamber. Seed crystals are deposited on the anode and are stripped therefrom to be carried along with the water, which cause crystallization thereon of carbonates contained in the water. Thereby formation of boiler scale, when the water is heated, is reduced. The water from the treatment chamber is exposed to another electric field in an aftertreatment chamber for a dwell time longer than the dwell time in the treatment chamber. Thereby, the growth of the seed crystals is enhanced. The efficiency of a treatment chamber with aftertreatment is higher than the efficiency of the treatment chamber alone.
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