Domestic Wastewater Treatment Mobilization Construction - AskTOP

Table 10-1'. Design Data, and Information for Trickling Filter ProcessesFilter Classificationy eau re loading range rates based--on plant average-flgw expressed as - gpd'per square foot .2Loading;,,range -(not including " recirculation) to produce highest quality' effluent after settling .High-Rateor ic loading?- lb's BUDlday11 000 cubic feet ; 5-20 30-60BW`=Removal . Efficiency,, percent 75-85 70-85Temperature Coefficient; Q`, 1 1 .02-1 .06' 1 .02-1 .04Depth:, . feet 5-7 3-6Recirculation ratio, R/Q None- 1 :1 to 4:1 3Packing-.;_material : Rock ; slag ; random-placed, Rock, slag-, plastic4 , 5plasticsDosing interval" Not' more than 5 minutes ContinuousSloughing ::: Intermittent ContinuousNitrification Usually' higher nitrified' Not fully' nitrifiedItemLow-Ratec=loading, gpdl-square-foot :25-90230-6903Refer to paragraph 10-2 for'desi recirculation" rate .49tacked ,.plastic media -maybe=used when`-installed accord ing>to-manufacturer's recommendations at' proper; depth .5 Randour- placed plastic media.U. S . Army Corps of Engineers