The CASS process is generally applicable to wastewater treatment in small towns with 10W tons of water per day.
There are many advantages of the CASS process, and you can search the internet for many of them.
Mainly in the following points:
1. Save place, save construction, can be realized without the need for a secondary sedimentation tank "
Nitrogen and phosphorus removal.
3. High degree of automation, the operator will not do anything during normal operation, can record data every day. In
CASS process effluent water quality effluent water quality than the general activated sludge method is better than the normal operation is fully B standard.
The disadvantage is not very stable, the best chemical phosphorus removal device for the removal of nitrogen and phosphorus.
Also, large amounts of water are not suitable for sewage treatment. (Large quantities of water are still good for AO or A2O)
In addition, CASS operates in the area of flexibility in the small amount of water in industrial wastewater is often used.
Nanchong City, is for 6W tons / day of sewage treatment plant, the construction is now underway.