Elastic fillers have fast film formation, easy film removal, and good biofilm growth and renewal. It is resistant to high load impact, has high CODcr removal rate, good treatment efficiency, and good oxygenation performance. It can perform multi-level collision on bubbles and intensive cutting, greatly improving the transfer and utilization rate of oxygen, reducing power consumption, and has a novel structure. The effective specific surface area is large, non agglomerating, non clogging, and has a long service life. It can also be reused, and the management of productive operation is simple. Strong adaptability, with good treatment effects for low concentration domestic wastewater, medium concentration printing and dyeing wastewater, papermaking wastewater, oily wastewater, high concentration food industry wastewater, chemical wastewater, etc. Can be widely used in aerobic, facultative, and anaerobic treatment processes

Keyword：Sewage disposal 丨 Drug