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- Xylem Sanitaire Taron RDD Filter
Xylem Sanitaire Taron RDD Filter
The Sanitaire Taron Rotating Disc Dynamic Filter, RDD Filter, is a patented first-of-its-kind technology that combines secondary clarification and tertiary filtration all in one step, and represents the evolution of MBR systems known for use in biological reactors. In particular, the new thickening-filtering module solves a series of classic problems of MBR currently on the market, in particular the high cost of installation, the high cost of management and maintenance, the problem of fouling and the low achievable flow rates. It is Taron’s prerogative to become a solution that will re-standardize the wastewater treatment process with an new, more simplistic approach characterized by reduced capex and low opex. There is no other product like Taron on the market. Taron has proven to be successful from it’s pilots and is currently in the process of becoming a fully developed product. Taron is expected to officially hit the market towards the end of 2022.
Installed directly in the oxidation tank and partially immersed, the unit involves the use of flat membranes connected in a watertight chamber that allows for a depression to allow the passage of filtered liquids within it.
The discs are rotated through a particular structure made with modular elements that allow the formation of a series of closed rings alternating with a series of “open rings” communicating with the filter panels, thus demarcating the thickening area from that of filtration, the central collector collects the filtrates by means of depression.
The special open-ring conformation in the central manifold allows the passage of backwash bars that will not have interference during the rotary motion of the disc filter.
The rotary motion is impressed on the disc filter by means of a motorized transmission which, starting from one of the external structural discs, transmits the necessary torque from the outside of the circumference of the first disc to the inside of the central manifold and so alternatively for all the others.
The flat membranes allow the internal washing orthogonally to the cloths to unblock the filtering pores and avoid the passage of mud inside the filtrate chamber.
The special conformation allows the simple replacement of the individual panels, thanks to the quick lock inserts without interrupting operation, so the system may not be subjected to “plant shutdown”.
The TARON is designed to replace both secondary clarification and tertiary filtration steps in the wastewater treatment process. Furthermore, the TARON offers installation versatility as it can be integrated into a treatment system in multiple ways, limiting the required footprint.
The TARON can be installed in a separate facility immediately after the biological treatment part of the wastewater treatment process. This can be done by developing a new structure for it, or using an existing structure, clarifier or in a tank.