| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a filter which comprises an anion exchange fiber and a cation exchange fiber and has a high ion removal ability, and a method of manufacturing the same, and a method of treating a fluid using the filter. <P>SOLUTION: In the filter having an anion exchange fiber sheet and a cation exchange fiber sheet, an anion exchange fiber sheet 22, 24 is to be made an OH type by contacting it with an alkali solution, and an cation exchange fiber sheet 21, 23 is to be made an H type by contacting it with an acid solution. <P>COPYRIGHT: (C)2010,JPO&INPIT |
