| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a contact material which makes a number of microorganisms live thereon to enable effective water cleaning, recycles concrete scraps discharged as waste, and prevents the elution of hexavalent chromium, which is a hazardous component, and the like, and a water cleaning method using the contact material. <P>SOLUTION: The contact material for cleaning water 1 includes a carrier 2 selected from crushed stones, gravel, and concrete scraps, an adhesive layer 3 applied so as to cover the whole surface of the carrier 2, and fiber 4 stuck to the adhesive layer 3. <P>COPYRIGHT: (C)2004,JPO</p> |
