Application: 1. it is widely used for oily wastewater treatment, the oil-water separator, oilfield waterflooding purification. 2. it is an ideal drug for industrial sewage and waste water treatment, widely used in metallurgical, power, tanning, medicine, printing and dyeing, chemical and other industries. 3. It is also an ideal medicine for high-fluorine water treatment, and it is an important raw material for chemical, casting, cement and refractory materials.