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'. <br /> ADVANTEXsM MANUAL <br /> Treatment Process/Performance Expectation <br /> AX20 The tank operates as a plug-flow type of reactor <br /> (fluid and particles enter and exit the tank in pro- <br /> } gresuve sequence).Wastewater separates into three <br /> distinct layers:a floating scum layer,a bottom <br /> sludge layer,and a clear zone in between,which is <br /> relatively free of large solids.A pump vault with <br /> effluent filter located at the outlet end of the tank <br /> Raw Primary , _ draws liquid effluent from the clear zone,and the <br /> Influent chamber filtered effluent is dosed to the next step in the <br /> Effluent treatment process. . .the AdvanTexe Textile <br /> Filter. <br /> Recirc-Blend Because the AdvanTexe Treatment System oper- <br /> Efffuent <br /> ates in the recirculating.mode,the filtrate from <br /> AX/AXN Filtrate the Textile Filter returns to the processing tank in <br /> Top View ` one of two ways:to the back(outlet end) of the <br /> tank in Mode 1 and to the front(inlet end) of <br /> FO the tank in Mode 3.This plumbing configura- <br /> tion affects effluent quality.Effluent quality is <br /> also contingent upon a number of other condi- J <br /> tions inside the tank: <br /> 1. up C" rte ,sr <br /> sst ,rt <br /> strength and characteristics of incoming waste w. <br /> ""�WO UW xo (see"Raw Influent,"page 7) <br /> ra-,rrt <br /> e"°N ,t average flows within design range(typically <br /> LL11 <br /> 40-60 gallons per person per day) <br /> f e adequate long-term solids retention for <br /> Side View thorough digestion <br /> e watertightness of tank(for.proper stratification <br /> of incoming waste to prevent treatment short <br /> circuiting and hydraulic overloading) <br /> Processing Tank <br /> e proper size of tank(for minimum 24-hour <br /> The processing tank provides primary wastewater hydraulic retention time through the tank's <br /> treatment.The rank is an enclosed,watertight cleat zone,at average flow rates and when <br /> receptacle designed to collect wastewater;segre- a <br /> sludge and scum are developed fully) <br /> gate settleable and floatable solids(sludge and <br /> scum);accumulate,consolidate,and store solids; If the above conditions are met,you can expect 3 <br /> digest organic matter;and discharge treated treatment performance per the table on p.7. <br /> w. <br /> effluent.BOD (biochemical oxygen demand) <br /> removals of greater than 65%and TSS (total <br /> suspended solids) removals of greater than 70% <br /> are easily accomplished. <br />