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Overview %.s �44 AdvanTe)eTre hent Systemsca&,a~ M-PNOW 1.80Q404M Orenco's AdvanTex"Treatment Systems are an innovative technology for onsite treatment of wastewater. The heart of the System is the AdvanTex filter, a sturdy, watertight fiber- glass basin filled with an engineered textile material. This lightweight, highly absorbent textile material treats a tremendous amount of wastewater in a small space. That's because textile has a very large surface area for biological breakdown of wastewater components— about five times greater than that of an equivalent volume of sand. Yet the AdvanTex fil- ter has a very small footprint. System Performance Orenco Systems•has been researching, designing, testing, and selling a variety of textile filters for about seven years. Approximately 2,000 textile filters have been installed throughout the United States and Canada, on sites ranging from federal demonstration proj- ects to university testing facilities, single-family homes, commercial properties, and com- munity systems. Unlike other wastewater treatment technologies, the AdvanTex Treatment System provides p nc s .nt reliable waagwater treatment, even during "peak flow" conditions. The AdvanTex Treatment System includes a processing tank and a control panel with a pro- grammable dosing timer. So it discharges small amounts of treated wastewater, regularly, throughout the day. AdvanTex treats residential-strength waste to better than "secondary" standards. Effluent can be used for drip or subsurface irrigation, or discharged to shallow, inconspicuous trenches. It can also be discharged to fine-grained polishing filters for coliform removal and water reuse. Third-Party Performance Verification AdvanTex Treatment Systems have undergone lengthy performance testing to ANSI and ANSI/NSF standards. This third party testing (NSF Final Report,April 2002) of treatment performance recorded a maximum 30-day arithmetic mean of 8 mg/L for CBODS and 6 mg/L for suspended solids. Over the six-month course of the evaluation, the average efflu- ent CBODS was 5 mg/L, and the average effluent suspended solids was 4 mg/L. System Benefits Significantly smaller land area is required for the AdvanTex Treatment System than is required for sand and gravel filters. That's because textile has demonstrated the capacity to support microbial populations that can treat filtered processing tank effluent at greater hydraulic loading rates. In fact, loading rates for AdvanTex Treatment Systems are typically 5-20 times higher than for sand filters. In addition, reductions in drainfield size are often permitted with AdvanTex Treatment Systems. Moreover, textile is lightweight, making it ideal for prepackaging and shipping, which simplifies installation and reduces costs. Applications The AdvanTex Treatment System is ideal for... •New construction • System upgrades and repairs • Pretreatment of moderately high-strength waste •Wherever typical secondary treatment standards suffice NDA-ATX-7 Rw.74 m%W Pale 1 of 8