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r <br /> oyencws <br /> How <br /> an 0--ren-co- <br /> With an Orenco Effluent <br /> Sewer, raw sewage flows <br /> from the house or business <br /> to a watertight underground <br /> tank, where it is pretreated. <br /> Only the filtered'liquid is <br /> discharged (by either pump <br /> or gravity)through the , <br /> service lines, to shallow, <br /> small-diameter collection r, <br /> lines that follow the contour ; <br /> of the land. Solids remain in <br /> the undergroundtank,.for . - - <br /> passive; natural.treat ment, <br /> Tanks typically need pump- <br /> Ing only, once every 10-12 <br /> .a <br /> ars <br /> Orenco's.EffluentSewers <br /> are desigried;as,a totally <br /> integrated package;and <br /> system components are Watertight tanks Our patented One-inch(25-mm) Small-diameter Filtered effluent <br /> compatible and preassem- provide primary Biotube®Pump diameter service main lines follow is conveyed <br /> bled. Each item is fully war- treatment, so Vault filters out lines can be the contour of the by gravity from <br /> rantled, and components only liquids are solids,and our easily installed ground,saving homes at higher <br /> conveyed to the lightweight, with a trencher. excavation costs. elevations,so no <br /> are Corrosion-resistant, treatment plant. non-corroding No expensive pump is typically <br /> durable, and lightweight, pumps last more manholes or lift required. <br /> than 25 years. stations are <br /> required. <br /> From Sewer to Treatment <br /> The high-quality, filtered effluent from an effluent sewer is ideal for <br /> use with a low-cost, low-maintenance treatment system, such as a <br /> packed bed filter like Orenco's AdvanTex®AX100 textile filter. From <br /> there, it can be reused for irrigation or to recharge groundwater. <br /> With no infiltration or solids to contend with, the treatment plant can <br /> be sized up to 90%smaller than with other collection technologies. <br /> = This photo shows Phase 1 and 2 of Orenco's modular AdvanTex AX 100 <br /> Wastewater Treatment System,located in Bethel Heights,Arkansas.Bethel <br /> Heights now has 45 AX100 filter modules that are designed to handle 225,000 <br /> gallons per day of wastewater.Multiple telemetry panels control the small, <br /> low-energy pumps that move wastewater through the filters and out to the <br /> drip irrigation fields. <br />