Experiment was carried out on the static settling and thickening of sludge water from water works, so as to provide basis and direction for the design of inclined plane thickener.

Experimental study on pyrolysis process of sewage sludge and its gas producing characteristics;

Study on heavy metals leaching toxicity and the road application of municipal sewage sludge solidification body;

Pyrolysis properties of municipal sewage sludge;

This article introduces general knowledge of water including water property,treatment methods and effects,briefly explains waste water sources of main production units in Chengde Steel,expounds the profound meaning of water treatment.