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Experimental study on sanitary waste by sequencing batch reactor

Zhang Ke-fang

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Abstract

The treatment of municipal wastewater by sequencing batch reactor and the regularity and effects of nitrogen and phosphorus removal from municipal wastewater was studied.The results showed that the removal rate of BoD 5,COD Cr ,NH 3-N and TP was respectively 85%～93%,82%～86%,53%～87%,85%～99%and the effluent concentration of BOD 5,COD Cr ,NH 3-N and TP was partly 5 12～13 62mg/l,10 7～32 2mg/l, 2 83～9 83mg/l and 0 1～0 45mg/l under the conditions of total HRT was 4 5～5 5 ,sludge load was 0 14～0 26kgBOD 5/(kgMLSS·d),the influent concentration of BOD 5,COD Cr ,NH 3-N and TP was partly 94 7～135 0mg/l,186～266 7mg/l,15 0～25 4mg/l,5 6～7 1mg/l.

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What this paper is about

The treatment of municipal wastewater by sequencing batch reactor and the regularity and effects of nitrogen and phosphorus removal from municipal wastewater was studied.The results showed that the removal rate of BoD 5,COD Cr ,NH 3-N and TP was respectively 85%～93%,82%～86%,53%～87%,85%～99%and the effluent concentration of BOD 5,COD Cr ,NH 3-N and TP was partly 5 12～13 62mg/l,10 7～32 2mg/l, 2 83～9 83mg/l and 0 1～0 45mg/l under the conditions of total HRT was 4 5～5 5 ,sludge load was 0 14～0 26kgBOD 5/(kgMLSS·d),the influent concentration of BOD 5,COD Cr ,NH 3-N and TP was partly 94 7～135 0mg/l,186～266 7mg/l,15 0～25 4mg/l,5 6～7 1mg/l.

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Available abstract

The treatment of municipal wastewater by sequencing batch reactor and the regularity and effects of nitrogen and phosphorus removal from municipal wastewater was studied.The results showed that the removal rate of BoD 5,COD Cr ,NH 3-N and TP was respectively 85%～93%,82%～86%,53%～87%,85%～99%and the effluent concentration of BOD 5,COD Cr ,NH 3-N and TP was partly 5 12～13 62mg/l,10 7～32 2mg/l, 2 83～9 83mg/l and 0 1～0 45mg/l under the conditions of total HRT was 4 5～5 5 ,sludge load was 0 14～0 26kgBOD 5/(kgMLSS·d),the influent concentration of BOD 5,COD Cr ,NH 3-N and TP was partly 94 7～135 0mg/l,186～266 7mg/l,15 0～25 4mg/l,5 6～7 1mg/l.

Key concepts: Effluent, Sequencing batch reactor, Wastewater, Chemistry, Phosphorus, Batch reactor, Nitrogen, Pulp and paper industry

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