It is an important path to exploitage synthetically to manufacture Haydite with Fly Ash.

粉煤灰已经作为一矿物合利用。

Two technologies of sintering municipal sewage sludge for manufacturing haydite ("wet process granulation-sintering" and "anhydration-sintering") were studied.

通过试验比较“湿法造粒-”和“干化-”2利用城市生活污泥制陶粒的工艺路线。