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,,�)ADVANT'EX— 0&W' _JMANUAL <br /> Troubleshooting Tips for Operators: <br /> Process Treatment <br /> Once you know the typical values for wastewater Troubleshooting Odor <br /> I treatment system performance (see pp. 6,7, 16, <br /> and 17),you can be pro-active and troubleshoot If the tank or textile filter smells like rotten eggs <br /> non-typical process indicators, before system or cabbage: <br /> performance is affected. • Check Dissolved Oxygen levels <br /> Troubleshooting Effluent Quality <br /> Use a DO meter or Colorimeter Kit <br /> If your eluent samples are cloudy and colorltur- .Note filtrate DO levels that are <br /> bidity is>15 units,do the following: <br /> <2.5 or>6 mglL <br /> } • Perform$ODs and TSS tests <br /> i • Check to ensure the recirc ratio isn't too high <br /> or the pump dose time isn't too long Filtrate DO that's<2.5 mglL indicates insulli- <br /> •Check the effluent filter for clogging tient oxygen. If the filtrate DO is<2.5 mg/L: <br /> •Interview user re: System abuse • Check filter surface for evidence of clogging <br /> If performance continues to be poor, explore the •Check to ensure the pump is working <br /> following design remedies, in this order: • Check to ensure the ventilation fan assembly <br /> 1 Expanded tankage (e.g., additional grease/ is working(RX only) <br /> oil tank) •Check to ensure the recirc ratio isn't too low; <br /> M 2 Pretreatment(e.g.,additional aeration) increase if too low <br /> I3 Larger filter area(e.g., additional module) • Check to ensure influent strength isn't too high <br /> (see AdvanTex—Design Criteria) <br /> •Check to ensure hydraulic retention time isn't <br /> a <br /> too high <br /> Filtrate DO that's>6 mg/L indicates excessive <br /> aeration. If the filtrate DO is >6 mg/L: <br /> • Check to ensure recirc ratio isn't too high <br /> •Check to see if influent flows are below normal <br /> • If influent flows are below normal or recirc <br /> C) ratio is too high,reduce recirc ratio <br /> s <br />