The DynaDisc® filter provides a large area for filtration in a compact process vessel. The discs are made up of a number of cassette pieces, joined together around a central drum, with a durable filter cloth bonded to the cassette to provide the filtration. The filter water is then used as the supply of washwater to clean the filter cloth when the headloss through the filter reaches a pre-set level.
Considered engineering design is used to keep the seal length to a minimum and allow quick replacement of cassettes with a minimum of fasteners. A constant level tank allows any variations of flow rate to be accommodated, and minimises the filtered water retained by the vessel whilst still providing a reservoir for the backwash pump.
A variety of filter cloth can be used within the system to suit the desired application.
Typical uses are for tertiary solids removal in both activated sludge and trickling filter plants, removing both the solids, and the BOD, phosphates and iron associated with those solids. DynaDisc® has also been used in a number of industrial applications including paper and pulp, purification of process water, and cooling water recirculation.
Tertiary treatment of wastewater.
Pulp and paper industry.
Purification of process water.
Recirculation of cooling water in the steel industry.