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2011•Journal of Harbin University of CommerceRequires access

Study on SBR treatment of starch wastewater

Junsheng S. Li

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Abstract

The effects of aeration time and the influent COD on the treatment of starch wastewater in SBR reactor were investigated by using synthetic starch wastewater.The experimental result indicated that under the condition of influent COD was 1500～2 200mg/L,the temperature was 25 ℃,continual aerations was 2.5 h and sludge density was 2 000～3 000 mg/L,the reactor had a good degeneration ability of COD and NH+4—N in simulation starch wastewater,removal rate could reach 85 % or more,the system was stable,so the SBR technology was feasible.

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What this paper is about

The effects of aeration time and the influent COD on the treatment of starch wastewater in SBR reactor were investigated by using synthetic starch wastewater.The experimental result indicated that under the condition of influent COD was 1500～2 200mg/L,the temperature was 25 ℃,continual aerations was 2.5 h and sludge density was 2 000～3 000 mg/L,the reactor had a good degeneration ability of COD and NH+4—N in simulation starch wastewater,removal rate could reach 85 % or more,the system was stable,so the SBR technology was feasible.

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Available abstract

The effects of aeration time and the influent COD on the treatment of starch wastewater in SBR reactor were investigated by using synthetic starch wastewater.The experimental result indicated that under the condition of influent COD was 1500～2 200mg/L,the temperature was 25 ℃,continual aerations was 2.5 h and sludge density was 2 000～3 000 mg/L,the reactor had a good degeneration ability of COD and NH+4—N in simulation starch wastewater,removal rate could reach 85 % or more,the system was stable,so the SBR technology was feasible.

Key concepts: Wastewater, Aeration, Starch, Pulp and paper industry, Activated sludge, Chemistry, Sewage treatment, Waste management

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