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system, the glasshouse showcases lush, tropical plant life that emerges from wastewater reactor tanks. Attached to the glasshouse is a mechanical room and a fully functional lab space where operators can monitor the system. The lower site, located across the street, includes outdoor hydroponic reactors, a demonstration reciprocating wetland system, and a 50,000-gallon clean water storage tank. Because it's covered with native plants, nearby pedestrians may not realize this is a wastewater treatment plant, but beneath the surface is a highly engineered reclamation system. Water Treatment: Enhancing A Natural Process The WaterHub is a low-energy/high-efficiency, eco-engineered treatment system that utilizes a number of sustainable features, including passive heating, collection of stormwater run-off, photovoltaic panels, and efficient, condition-responsive controls. From sewer mining to reclaimed water supply at individual utility plants, the WaterHub is highly automated with a master control system integrated into all aspects of the treatment plant operations. The WaterHub system is currently rated at a hydraulic capacity of 400,000 GPD, with expansion capabilities up to 600,000 GPD. Overall system design includes integrated fixed-film activated sludge (IFAS) hydroponic reactors in conjunction with a moving-bed bioreactor (MBBR) as primary treatment. The hybrid hydroponic-MBBR system enables the treatment of large volumes of wastewater with a relatively small physical footprint. The entire process, from wastewater extraction to distribution, requires approximately 14 hours. A below-grade diversion manhole and pump station, at the lower site, intercepts wastewater from a municipal sewer collector. The station pumps wastewater to the glasshouse (upper site), where it passes through a rotary screen to remove any large solids or trash entrained in the wastewater. From the rotary screen, raw wastewater flows into primary treatment reactors, which include a series of MBBRs able to operate selectively as anaerobic, anoxic, or aerobic. The sealed MBBRs, with access through airtight hatches, vent all gasses through activated carbon air filters — eliminating virtually all odors from the primary treatment process. Hydroponic reactors follow the primary MBBRs and are located within the upper site glasshouse. These reactors reduce remaining biochemical oxygen demand (BOD) to secondary levels and complete the nitrification process. The surface of the hydroponic reactors is covered with vegetation supported on plant racks. These reactors are aerated with fine bubble diffusers, which provide the oxygen required for treatment and keep the tank contents mixed. The roots of the vegetation provide ideal surface area for fixed-film growth. By utilizing a natural treatment approach, the WaterHub has significantly reduced energy demands when compared to other biological or membrane treatment systems. Natural systems exhibit an intrinsic ability to diffuse oxygen into the systems. This helps reduce the energy required for aeration, which is typically one of the most significant energy and cost factors in a wastewater plant. These efficiencies are also wateronline.com n Water Innovations 13 DECENTRALIZEDSYSTEMS Anue Water Technologies is the leader in highly-effective and sustainable engineered technologies designed with full telemetry capabilities for remote programming and control. Patented FOG removal and prevention products and integrated ozone and oxygen generation systems are proven solutions for point source odor and force main corrosion control. With the aging of America's municipal waste water facilities, ANUE's patented solutions provide safe, non-hazardous, and cost-effective methods for the elimination and prevention of FOG, odor and corrosion. ANUE's systems are used successfully by municipalities across North America as well as several countries worldwide. CONTROL FOG, ODOR AND CORROSION www.anuewater.com 760-727-2683 sales@anuewater.com