Polygeyser bead filters are an unique type of bead filter that utilize air to backwash the filter while it is in normal operation. This unique backwash mechanism effectively breaks the linkage between back washing and the discharge of waste water by making them them two independent processes. Like most bead filters, water passes upward through the packed bed of plastic beads. The beads capture the solids, while simultaneously providing a large surface area (400 ft2 /ft3 ) for the attachment of nitrifying bacteria which remove dissolved nitrogenous wastes.
All Polygeyser bead filters use Enhanced Nitrification (EN) Bead Media which provide protected surfaces for biofilm growth. The PolyGeyser Bead Filters offer a very high degree of reliability and backwash automatically with no moving parts at a frequency controlled by the rate of air introduced to the filter. As a bioclarifiers the PolyGeyser are capable of handling ammonia loads 50 to 100 percent higher than standard bead filters, at a fraction of the water loss and head loss!
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Polygeyser Bead Filter Sizing