| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing water suitable for drinking by reducing a boron content in water. <P>SOLUTION: Boron-containing water is passed through a reverse osmosis membrane separator, next the water permeating into the membrane and discharged from the apparatus is passed through an apparatus packed with a chelate formative fiber having chelate formation ability to a boron element and a boron compound, and a remaining boron content is reduced during permeating into the membrane. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
