WATER TREATMENT DEVICE, AND WATER TREATMENT METHOD

To provide a water treatment device and a water treatment method capable of detecting a suitable time of replacing activated carbon.SOLUTION: The water treatment device according to an embodiment of the present invention, comprises an activated carbon filtration device provided with a filtration tank storing a filtration material including activated carbon, and a controller calculating the amount of removed chlorine according to the flowrate of a fluid flowing through the activated carbon filtration device, the concentration of chlorine, and an integrated flowrate calculated from the flowrate.SELECTED DRAWING: Figure 1 【課題】適正な活性炭の交換時期を検出することが可能な水処理装置及び水処理方法を提供する。【解決手段】本発明の一形態にかかる水処理装置は、活性炭を含む濾過材を収容する濾過槽を備える活性炭濾過装置と、前記活性炭濾過装置を通る流体の流量と、塩素濃度と、当該流量に基づいて算出される積算流量とに基づいて塩素除去量を算出する、制御部と、を備える。【選択図】図１