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AdvanTek -FIX asp Treatment Systems Overview ,ftewnw ad 1_80D-30-SH3 Orenco's AdvanTexTM-RX Treatment System is an innovative technology for treatment of onsite wastewater that has been particularly successful at reducing nitrogen in processing tank effluent. The AdvanTexTM-RX Treatment System contains a packed bed filter that uses special- ly designed textile material within a pre-assembled filter unit. System Performance Orenco Systems has been researching, designing, testing, and selling a variety of textile fil- ters for about six years. Hundreds of Orenco's textile filters have been installed throughout the United States on sites ranging from federal demonstration projects to university testing facilities, single-family homes, commercial properties, and community systems. Depending on the system configuration,AdvanTexTM-RX Treatment Systems are producing effluent with Biochemical Oxygen Demand(BOD) as low as 5 mg/L or less,Total Suspended Solids (TSS) of 5 mg/L or less, and Total Nitrogen (TN)often less than 10 mg/L. System Benefits Significantly smaller land area is required for the AdvanT&TM-RX 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 AdvanTexTM-RX Treatment Systems are typically 5-20 times higher than for sand filters. In addition, reductions in drainfield size are often permitted with AdvanTexTM Treatment Systems. Moreover,textile is lightweight, mak- r ing it ideal for prepackaging and shipping, which simplifies installation and reduces costs. System Operation and Maintenance The AdvanTexTM-RX Treatment System is an advanced technology that produces effluent which meets advanced secondary wastewater treatment levels. Like most advanced tech- nologies,the AdvanTexTM-RX Treatment System requires regular maintenance. As a condi- tion of warranty, property owners must purchase a service contract from a certified third party provider. Orenco Systems, Inc. provides a three-year warranty on all components. The AdvanTexTM-RX Treatment System comes with an audible alarm to signal maintenance or high water conditions. And it's sized to allow for a minimum of 24 hours of wastewater storage (at average daily flows). That means an operator can provide service to the system during normal working hours, regardless of when the alarm occurs. The AdvanTexTM-RX System's pumps typically run just 90 minutes per day, so AdvanTex'rm-RX uses very little power . . . an average of$5 per month (based on the national average of eight cents per kilowatt hour). Compare that to power costs of up to $20-$60 per month for many "activated sludge" aerobic treatment units. Models and Sizes Orenco has developed two AdvanTexTm-RX Treatment Systems that vary in configuration and expected final effluent characteristics: Mode #1 and Mode#3. Both Modes are described in greater detail, following. The specifications of our core module are as follows: Model Physical Dimensions Filter Weight, Dry RX-30 4' x 8' x 2.5' approx. 600 lbs. ETP-RX-1 Rev.5.1®r027M Page 1