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Experimental Study on Treatment of Organic Pesticide Wastewater by SBBR Process

Lei Yang

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Abstract

New shield filler was selected to study the treatment of organic pesticide wastewater by sequencing batch biofilm reactor(SBBR)process.Results showed that final operating parameters of SBBR were anaerobic period 2.0h,aerobic period 4.0h,oxygen supply 0.12～0.15m3/h,DO 4.9～7.5mg/L and pH 7.0～8.0.The removal efficiency of COD,BOD5 and TP were 85%,90% and 93% respectively,with effluent quality satisfactory to Class Ⅱ of GB8978-96.

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What this paper is about

New shield filler was selected to study the treatment of organic pesticide wastewater by sequencing batch biofilm reactor(SBBR)process.Results showed that final operating parameters of SBBR were anaerobic period 2.0h,aerobic period 4.0h,oxygen supply 0.12～0.15m3/h,DO 4.9～7.5mg/L and pH 7.0～8.0.The removal efficiency of COD,BOD5 and TP were 85%,90% and 93% respectively,with effluent quality satisfactory to Class Ⅱ of GB8978-96.

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Available abstract

New shield filler was selected to study the treatment of organic pesticide wastewater by sequencing batch biofilm reactor(SBBR)process.Results showed that final operating parameters of SBBR were anaerobic period 2.0h,aerobic period 4.0h,oxygen supply 0.12～0.15m3/h,DO 4.9～7.5mg/L and pH 7.0～8.0.The removal efficiency of COD,BOD5 and TP were 85%,90% and 93% respectively,with effluent quality satisfactory to Class Ⅱ of GB8978-96.

Key concepts: Effluent, Wastewater, Anaerobic exercise, Pesticide, Pulp and paper industry, Oxidation process, Biochemical oxygen demand, Sewage treatment

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