ORTHOS Proteus™ O3+BAC Demo System
for Direct Potable Reuse
Orthos Liquid Systems, Inc., (ORTHOS) Proteus™ Ozone+Biologically Active Contactor Demo System (O3+BAC) System is primarily used at direct potable reuse (DPR) demonstration facilities. The 10-200 gpm Proteus™ O3+BAC 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™ O3+BAC 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.
To create the Proteus™ O3+BAC, ORTHOS has formed strategic agreements with leading manufacturers of ozone generators to provide straight-forward, efficient operation and minimal maintenance in a compact footprint—an optimal solution. Ozone is dosed based upon influent concentration of TOC (plus nitrite, optionally), monitored by Proteus™ O3+BAC instrumentation.
After the influent TOC is oxidized, O3-treated water is pumped to the ORTHOS BAC utilizing media-retaining ORTHOS Type D nozzles in an underdrain plate. Up to 96” of media (e.g., GAC, anthracite, sand) may be installed in the BAC to create up to 20+ minutes of empty bed contact time. Proteus™ O3+BAC pumps and compressor provide user-adjustable, concurrent air-water backwash, triggered manually or automatically based on headloss across the filter media, runtime, or turbidity.
The Proteus™ O3+BAC operator panel (standardly with Allen-Bradley CompactLogix PLC and HMI) provides real‑time monitoring and control of all instrumentation, automated valves, and equipment for ease-of-use.
“With increased water scarcity, utilities are demonstrating that highly purified reuse water may augment available potable supplies. Proteus™ O3+BAC will prove that carbon-based strategies are extremely effective for full-scale DPR,” stated Stuart F. Humphries, Director of Filtration Technology for ORTHOS. “Proteus™ O3+BAC is another example of our repeated investment in the advancement of industry technology.”
Proteus™ O3+BAC is immediately available for procurement, submittal evaluation, production, and commissioning. Extensive factory support is offered by ORTHOS to ensure optimal operation. Contact us with all Proteus™ O3+BAC inquiries.
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Remember Orthos’ HUGE life cycle cost benefits– At the end of the filter’s life cycle (~25 years), in contrast to a complete plastic block or folded sheet metal underdrain overhaul, nozzles are simply replaced
potentially saving $Millions.