FILLING MATERIAL HAVING BOTTOM ASH OF CONSTRUCTED WETLAND FOR THE TREATMENT OF POLLUTED WATER AND PREPARATION METHODS THEREOF

摘要

PURPOSE: A filler for a constructed wetland and a manufacturing method thereof including a porosity floor material is provided to manufacture the filler for the filler for the constructed wetland and constructed wetland by preventing clogging and improve porosity and permeability of water. CONSTITUTION: A filler for a constructed wetland includes a floor material 5~95 parts by weight, the oyster shell 5~95 parts by weight, and the zeolite 10~90 parts by weight. The porosity of the floor material is 50~60%. The oyster shell is the oyster shell. The floor material in the heat power plant ash pond is collected. The particle diameter floor material is selected. The floor material is dried. The oyster shell the floor material is selected according to the particle diameter.