SR0033424_ENG DESIGNED PLAN - Laserfiche WebLink

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ADVANTO& M7,4; MANUAL' • A: Troubleshooting Biotube® Filter ''- Clogging ;• : If a visual inspection of the Biotube•filter for biomass build-up shows the need for cleaning more often than once every 1-2 years (which is typical for recirculating systems), try the following: " •Verify the pump isn't running too long , + f (typically 3 cycles/hour or-60-72 min/day) y • Ensure the recirc ratio isn't too high If the system user cadt identify the probable •Verify normal DO levels; if high,reduce source, try the following: recirc ratio •Sample/test effluent for BOD,and Grease •Check for below-normal influent flows &Oil •Check influent Grease&Oil and TSS; if • Sample/test at all process steps, including excessive, a review of component sizes may influent(if possible) be required • Label,date,and photograph all samples °p •Use standard glass beakers and set samples in front of a common,uniform background, when photographing +Check biomat accumulation at AdvanTex" Filter •Note if biomat is yellowish and wax-like or lard-like I •If so,scrape biomat sample for analysis • Photograph/document biomat sample •Send to lab with effluent samples Troubleshooting Oily Film Note:Excessive Grease&Oil is typically a design All signs of oil or grease anywhere in the system and management concern with commercial (in the tank, in the vault,on the effluent or tex- applications. tile filter) must be investigated.Ask the system user to identify the probable source: Troubleshooting Foam • Recent change of car oil? Foam indicates that microbes are producing excessive gas byproducts. Foam rarely occurs in •Canning meat or poultry? packed bed filters (and AdvanTex'" is a packed • Excessive use of garbage disposal? bed filter). If foam is present. •Excessive use of bath or mineral oils? •Verify the pump isr t running too long Qacuzzi®tub?) •Ensure the recirc ratio isn't too high • Excessive use of detergents? •Ask residents about detergent use