In order to deal with pernicious solid waste - chrome slag in bulk and to control the pollution, ceramic tiles in agreement with national standard were prepared at 1 220 ℃, with 0.1% ( mass fraction ) of water absorption rate, employing the chrome slag as main raw material together with high plastic black mud and soda feldspar as additives. Experimental results showed that the optimal amount of the chrome slag was 60% ( mass fraction ) in the total raw materials used. There was 2. 913 mg/kg of dissoluble chromium ( chromic oxide and hexab...