Sludge control
It is a process of reduction and stabilization.
Sludge disposal
Sludge treatment in the natural environment or the use of process to achieve long-term stability and on human health and the environment does not produce harmful effect to people’s health and environment.
 
Current situation of sludge disposal
At the end of 11^th five, process ability of sludge in our whole country reaches to 0.125 square meters/day; output reaches to about 30000000 tons one year.
With the improvement of process ability, sludge disposal has become a very prominent problem. It is urgent to realize reduction, harmlessness stabilization.
Majority of sludge hasn’t got timely disposal. The moisture content of sludge can only be reduced to about 80%. Casual disposal methods have caused many hidden danger to environment.
The standardization and stabilization has aroused attention of government at all level. It is a high time to dispose sludge comprehensively and scientifically.
 
Principle of sludge disposal and treatment
The purpose is to achieve sludge reduction, stabilization, harmless, to encourage the recycling and utilization of energy resources in the sludge.
Final disposal methods decide treatment ways of sludge; sludge treatment.
All areas select disposal roads according to local conditions.