Centrifugal decanters are used as sludge dewatering units for municipal & industrial wastewater treatment plants instead of filter presses and belt presses equipments.

Decanter is a very advanced and easy to use mechanical equipment compared to other sludge dewatering methods.

As disadvatage, inital investment cost of decanter is higher than equivalent units however maintanence efficiecy is quite higher.

It can continuos working principle with polymer dosage unit and has high solid content of outlet dewatered sludge.