ETV-EPA verified and NSF/ANSI Standard 40/245 certified, SeptiTech STAAR (Smart Trickling Anaerobic Aerobic Recirculating) trickling filter systems are available in 500 to more than 100,000 gpd flows. They screen and remove nondegradable particles from raw biosolids. The simple, automatic and reliable equalization and clarification process maintains low levels of Nitrate-N with all below-grade components that fit in readily available concrete, plastic or fiberglass tanks. With an easy, continuous, automatic operation, they allow for fast recovery after power outages. Low-maintenance designs and low energy input makes them affordable and robust with low biosolids production with accommodation of peak flow periods. They can be used to treat wastewater high in organic matter, BOD, COD and other pollutants. Modular designs benefit both the environment and communities, and are easily upgradable to meet growing capacity loads and location-specific demands. 800/318-7967;

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