| 摘要 |
A liquid treatment method for removing impurities from an impurity-containing liquid comprises a collection step of collecting a precipitated solid component from an impurity-containing liquid in a tank containing the liquid along with a liquid component of the liquid, a separation step of separating the solid component collected in the collection step from the liquid component collected in the collection step, a return step of returning to the tank the liquid component separated from the solid component in the separation step, and a purification step of obtaining a purified liquid from the impurity-containing liquid contained in the tank. A liquid treatment apparatus for removing impurities from an impurity-containing liquid comprises the tank, a collection means for collecting the solid component along with the liquid component, a separation means for separating the solid component collected by the collection means from the liquid components collected by the collection means, a return means for returning to the tank the liquid component separated from the solid component by the separation means, and a purification means for obtaining a purified liquid from the impurity-containing liquid contained in the tank.
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