| 摘要 |
<p>PURPOSE: Provided is a polyurethane support for media, which contains additives being capable of adsorbing nutrient in sewage and wastewater and making insoluble salts so microorganisms grow and multiply thereon. CONSTITUTION: The polyurethane support(1) contains additives such as silicates, aluminum compounds, calcium compounds, cobalt compounds, copper compounds, iron compounds, magnesium compounds, nickel compounds, silver compounds and their mixtures, and wherein unit cell(2) of the support is 1μm to 4 cm.</p> |
