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GAC contactors
Assume 2‐2000 lb GAC contactors 200 gpm 915,000 gallons of treated water 30 lb/CF PE 12X40 CSV GAC bulk density per data sheet 28‐30 lb/CF varies per Caleb Osborn vessel vessel vessel straight sidewall rated radius area sidewall volume volume π (ft) (SF) (ft) (CF) ((cf) 3.14 2 12.56 6 75.36 75 GAC Flow delivered bulk GAC GAC volume rate per GAC density volume vessels per vessel vessel EBCT (lb) (lb/CF) (CF) (CF) (gpm) (gal/CF) (min) 4000 30 133.3 2 66.7 100 7.48 5.0 4000 29 137.9 2 69.0 100 7.48 5.2 4000 28 142.9 2 71.4 100 7.48 5.3 Flow Area Surface rate per per loading vessel vessel rate (gpm) (SF) (gpm/SF) 100 12.56 7.96 assumed GAC GAC assumed treatment Volume Volume capacity capacity (CF) (gpm/CF) (gal) (BV)(gal) 133.3 7.48 997 12,500 12,500,000 137.9 7.48 1032 12,500 12,900,000 142.9 7.48 1069 12,500 13,400,000 Water Water Vol Vol GAC (gal) (gal/CF) (CF) (CF/BV) (BV) 915,000 7.48 122,326 133.3 918