In this study,natural zeolite and calcium silicate were used as filter medium to remove the ammonia and phosphate from the effluent of wastewater treatment plant.

• 利用天然沸石和硅酸钙为介质的过滤装置处理含氮磷的污水处理厂出水,研究天然沸石和硅酸钙材料对氨氮和磷酸盐的吸附性能。