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Pilot Scale Study on Opposite Folded Plate Hybrid Anaerobic Reactor in Treating Low Concentration Wastewater

Bi Xi Dong

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Abstract

Opposite folded plate hybrid anaerobic reactor(OFPHAR)was designed to treat low concentration wastewater.The trial lasted 12 months,and results indicated that under optimal HRT of 6h,temperature(25±2)℃,removal efficiency of COD,TN and TP were 76.95%,36.56% and 39.28% respectively.Optimal influent COD concentration was 150～800mg/L.When temperature decreased to(7±1)℃ and HRT was given as 6h,removal efficiency of COD,TN and TP were 63.53%, 20.28% and 22.35% respectively,and specific methane production capacity was 1.95mL(/gVSS·h).Results of trials showed that application of proposed OFPHAR to treat low concentration wastewater was feasible at low temperature in North China.Efficiency of OFPHAR to dispose low concentration wastewater could be owed to high efficient mass transfer and two-double integrated stage multi-phase anaerobe(TSMPA).

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What this paper is about

Opposite folded plate hybrid anaerobic reactor(OFPHAR)was designed to treat low concentration wastewater.The trial lasted 12 months,and results indicated that under optimal HRT of 6h,temperature(25±2)℃,removal efficiency of COD,TN and TP were 76.95%,36.56% and 39.28% respectively.Optimal influent COD concentration was 150～800mg/L.When temperature decreased to(7±1)℃ and HRT was given as 6h,removal efficiency of COD,TN and TP were 63.53%, 20.28% and 22.35% respectively,and specific methane production capacity was 1.95mL(/gVSS·h).Results of trials showed that application of proposed OFPHAR to treat low concentration wastewater was feasible at low temperature in North China.Efficiency of OFPHAR to dispose low concentration wastewater could be owed to high efficient mass transfer and two-double integrated stage multi-phase anaerobe(TSMPA).

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Available abstract

Opposite folded plate hybrid anaerobic reactor(OFPHAR)was designed to treat low concentration wastewater.The trial lasted 12 months,and results indicated that under optimal HRT of 6h,temperature(25±2)℃,removal efficiency of COD,TN and TP were 76.95%,36.56% and 39.28% respectively.Optimal influent COD concentration was 150～800mg/L.When temperature decreased to(7±1)℃ and HRT was given as 6h,removal efficiency of COD,TN and TP were 63.53%, 20.28% and 22.35% respectively,and specific methane production capacity was 1.95mL(/gVSS·h).Results of trials showed that application of proposed OFPHAR to treat low concentration wastewater was feasible at low temperature in North China.Efficiency of OFPHAR to dispose low concentration wastewater could be owed to high efficient mass transfer and two-double integrated stage multi-phase anaerobe(TSMPA).

Key concepts: Wastewater, Anaerobic exercise, Methane, Dispose pattern, Chemistry, Pulp and paper industry, Sewage treatment, Environmental science

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