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WATER TREATMENT DEVICE, WATER TREATMENT METHOD, FORWARD OSMOSIS MEMBRANE TREATMENT METHOD, FORWARD OSMOSIS MEMBRANE TREATMENT SYSTEM, AND WATER TREATMENT SYSTEM
WATER TREATMENT DEVICE, WATER TREATMENT METHOD, FORWARD OSMOSIS MEMBRANE TREATMENT METHOD, FORWARD OSMOSIS MEMBRANE TREATMENT SYSTEM, AND WATER TREATMENT SYSTEM
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机译：水处理装置，水处理方法，正渗透膜处理方法，正渗透膜处理系统和水处理系统
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摘要
Provided are a water treatment device and a water treatment method, whereby it is possible to treat water of interest which contains at least one of soluble silica and a hard component at low cost. A water treatment device 1 for treating water of interest which contains at least one of soluble silica and a hard component, the water treatment device 1 being provided with a pretreatment device 10 which is equipped with one of a soluble silica removal means and a hard component removal means, a reverse osmosis membrane treatment device 12 which serves as a condensation treatment means for performing the condensation treatment of pretreated water obtained in the pretreatment device 10, and a forward osmosis membrane treatment device 14 for performing the forward osmosis membrane treatment of condensed water obtained in the reverse osmosis membrane treatment device 12, wherein a dilution draw solution that is used in the forward osmosis membrane treatment device 14 is also used in the pretreatment device 10.
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