| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method, a membrane module and a purified water producing apparatus which show the performance of producing water stably for a long period of time with a low salt concentration in the purified water. <P>SOLUTION: In this method, raw water is flowed along one face of a gas permeable membrane, and the water vapor which permeates the gas permeable membrane is condensed to obtain the purified water. <P>COPYRIGHT: (C)2012,JPO&INPIT |
