ADSORBENT

摘要

PROBLEM TO BE SOLVED: To provide a filter medium for treating water which certainly adsorbs phosphorus or nitrogen causing an eutrophication phenomenon of water in the same way as a conventional embodiment and more inexpensive than before. SOLUTION: A hydrotalcite layer bonded to the surface of a core material 1 by a water insoluble binder 2 is provided. COPYRIGHT: (C)2004,JPO