The AdvanTex AX20-RTUV treatment system from Orenco Systems is a self-contained module that treats typical septic tank effluent to better than secondary standards, with nitrogen reduction and ultraviolet disinfection. It’s designed for homes with up to four bedrooms and is suited for small sites with poor soils or that require shallow bury. It helps protect surface waters and aquifers and is an effective solution for areas that have strict discharge limits. In a performance evaluation of 35 systems between 2005 and 2013, AdvanTex received the highest overall ranking for nitrogen reduction, process stability and low energy use (OSET NTP Performance Ranking, Water New Zealand, Nov. 2014). It is installed following a septic tank equipped with Biotube effluent filters. The unit eliminates the need for separate recirculation, treatment, discharge and disinfection tanks and basins, and reduces the number of risers and lids needed in the treatment train. 800/348-9843; www.orenco.com.
 


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