In order to realize green casting,casting solid waste including casting waste sand and dust removal should be recycling in the process of sand casting.This article summarizes the thermal method and mechanical method are used in casting waste sand recycling,then using sintering granulation technology produced casting dust ash into sintering ceramsite.This can replace building aggregate,realize the comprehensive utilization of casting dust ash,waste sand,waste ash,and"zero emissions"of casting solid waste,so as to achievement of green castling.
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