| abstract |
The water purification system 100 according to the present invention is a water purification system for purifying the washing water used in the scrubber 101. When a predetermined defect occurs, a regression process for returning the washing water to the upstream side is performed in the water purification system 100 do. According to such a configuration, the supply of the washing water can be stopped at a predetermined position and the recovery operation can be performed in the meantime, and the water purification system 100 can be quickly recovered after the processing of the defect. |