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Poseidon Filtration Systems® (Conventional W/WW, Membrane Pretreatment, BAF, Denite), Centurion™ Monolithic Underdrains, Ortho-Wash™ Media-Retaining Troughs, Nozzles
Since 1978, Orthos continues to be the leading nozzle/strainer manufacturer for packaged water and wastewater treatment filters, pressure vessels, Ion Exchange columns, & tank internals.


MAXIMUS™
low-profile SS under-drain
MAXIMUS™ “free-flow” filter underdrain is constructed of robust, 10-gauge stainless steel (SST). Chemically-anchored to the filter floor using SST hardware for quick installation, the patent-pending MAXIMUS™ features a low, 6” profile that provides increased filter media depth or operational freeboard in retrofit applications.
Ortho-Wash™ Troughs
Poseidon Filtration Systems® Ortho-Wash™ process combines air scour and backwash to vigorously clean filtration media while lowering backwash rates and waste volumes. Ortho-Wash™ baffles, integrally-mounted as part of the backwash trough, prevent media loss by deflecting air and providing an adjacent quiescent volume to settle out lightweight anthracite or GAC.


Denitrifying
Deep Bed Filter (DDBF™)
The Denitrifying Deep Bed Filter (DDBF™) is a wastewater treatment process of the Poseidon Filtration System®. It provides fixed?film biological denitrification in a downflow filter configuration. With proper chemical treatment, the DDBF™ is capable of meeting stringent effluent limits of total nitrogen as low as 3 mg/l, total suspended solids to 2 mg/L, and total phosphorus to 0.3 mg/L or less.
ORTHOS Proteus™ O3+BAF Demo System
for Direct Potable Reuse
primarily used at direct potable reuse (DPR) demonstration facilities. The 10-200 gpm Proteus™ O3+BAF System delivers to utilities a larger-scale, longer-term solution than pilot columns to demonstrate the carbon-based removal of total organic carbon (TOC) and other chemicals in order to achieve high-quality purified water. The Proteus™ forms the core element of carbon-based DPR treatment that meets or exceeds applicable drinking water quality standards while mitigating the brine disposal challenges of processes using reverse osmosis

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