PROBLEM TO BE SOLVED: To provide a water purification method for simultaneously and highly efficiently removing a plurality of kinds of eutrophication causative materials from treatment object water, and to provide a water purification apparatus flexibly adaptable to a subtle changes in the eutrophication causative materials of the treatment object water and capable of maintaining efficiency at a high level.;SOLUTION: The water purification method includes: a process A of specifying the eutrophication causative materials contained in the treatment object water; a process B of setting the order of preferential removal for the specified eutrophication causative materials; a process C of selecting absorbents which absorb the specified eutrophication causative materials; a process D of storing each of the selected absorbents separately without mixing them; and a process E of installing the separately stored absorbents in the water flow path of the treatment object water in the ascending order of the preferential removal and bringing them into contact. One of the process B and the process C is executed in advance.;COPYRIGHT: (C)2010,JPO&INPIT
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