Define recirculation of the wastewater is conducted

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Question- Is a high rate trickling filter(as described below) operating within typical BOD and Hydraulic loading rates if the flow rate of the wastewater after primary treatment is 100,000 GPD and the BOD is 100 mg/L. The trickling filter is comprised of stone packed bed deep 5.5 ft and diameter of 15 ft. Consider no recirculation of the wastewater is conducted

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