of demand; (c) Although there are many fly ash comprehensive utilization products in China, the technical
level of products is still low, which results in the phenomenon of many product while low technical level.
Moreover, some comprehensive utilization process inevitably triggers notable pollution [4]. Such as,
hazardous heavy metals contained in the fly ash will pollute agricultural soil, water and living beings, dry
fly ash is easy to cause dust pollution during transport, while wet fly ash with excessive moisture is easy
to flow out and pollute environment.