Finally the development strategies,which stipulate the solid wastes should be disposed by the way of reduction,turning into resource and harmlessness,were proposed.

Study on harmless disposal and resource utilization of metallurgical wastewater;

Experimental Research on Harmless Technology of Municipal Solid Waste Incineration with Direct Gasification and Ash Melting;

Separate Collecting, Moving and Processing——A inevitable way accomplished city-garbage disposal harmlessness, resource and reduction;

Practice and Developing Trend of Harmless Sludge Treatments at Foreign Refineries Industry;