| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an immersion method of a membrane element which does not cause rapid decrease in a filtering performance when a new membrane element is immersed in a treatment water tank filled with processed water. <P>SOLUTION: The immersion method of the membrane element 10 for immersing the membrane element 10 in the processed water to obtain treated water that has penetrated through the membrane element 10 includes, after at least the separation membrane 11 is wet with water or a hydrophilic liquid, immersing the membrane element 10 provided with a resin-made separation membrane 11 that allows the treated water to penetrate where the separation membrane 11 is preserved in a drying state, in the processed water. <P>COPYRIGHT: (C)2013,JPO&INPIT |
