An experimental study of the treatment of biorefractory landfill leachate by combination of natural bentonite and modified bentonite;

Preliminary Study on the Bio-waste Treated by Earthworms;

Substance Changes of Bio-waste in Aerobic Disposing course;

Anaerobic fermentation processing of biological waste is one of the effective ways that make urban garbage "reductions, technology and resources", in recent years it received attention from experts.

For a long time,urban biological waste is regarded as urban solid waste,which is one of the targets to be cleared up in the city;it not only increases the stress of city environmental management,but also results in enormous waste of resources.