| 摘要 |
<p>The present invention relates to a filter medium with improved function to filter non-point pollutants, which uses a foam polypropylene material whose foam magnification is 10 to 15 times wherein the foam polypropylene material is pulverized into 1 to 3 mm particle size and accordingly has exposed pores on surface. In the present invention, provided are a foam polypropylene filter medium, which has a large specific surface area and accordingly outstanding filter efficiency, thereby having optimal conditions to treat suspended solid (SS), and a non-point pollutant treating apparatus using the same.</p> |
