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Follow-up treatment research of filature wastewater by SBR

Wenwen Li

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Abstract

By studying the impact of sequencing batch activated sludge process(SBR) to the filature wastewater treatment effect of various factors,the best operation conditions was obtained.The results showed that: when the aeration time is 8 h,the precipitation time is 40 min and dissolved oxygen value is 2-3 mg/L in SBR,it can achieve the best effect;under this condition,the removal rate of COD,ammonia nitrogen and TP are 90.5%±0.5%,95.1%±0.6% and 78.2% ±3.1%,and both of the effluent COD and ammonia nitrogen can reach the standards.As filature wastewater treatment subsequent aerobic process,SBR reactor has high treatment efficiency and good operation stability.

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What this paper is about

By studying the impact of sequencing batch activated sludge process(SBR) to the filature wastewater treatment effect of various factors,the best operation conditions was obtained.The results showed that: when the aeration time is 8 h,the precipitation time is 40 min and dissolved oxygen value is 2-3 mg/L in SBR,it can achieve the best effect;under this condition,the removal rate of COD,ammonia nitrogen and TP are 90.5%±0.5%,95.1%±0.6% and 78.2% ±3.1%,and both of the effluent COD and ammonia nitrogen can reach the standards.As filature wastewater treatment subsequent aerobic process,SBR reactor has high treatment efficiency and good operation stability.

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Available abstract

By studying the impact of sequencing batch activated sludge process(SBR) to the filature wastewater treatment effect of various factors,the best operation conditions was obtained.The results showed that: when the aeration time is 8 h,the precipitation time is 40 min and dissolved oxygen value is 2-3 mg/L in SBR,it can achieve the best effect;under this condition,the removal rate of COD,ammonia nitrogen and TP are 90.5%±0.5%,95.1%±0.6% and 78.2% ±3.1%,and both of the effluent COD and ammonia nitrogen can reach the standards.As filature wastewater treatment subsequent aerobic process,SBR reactor has high treatment efficiency and good operation stability.

Key concepts: Aeration, Effluent, Sequencing batch reactor, Wastewater, Activated sludge, Sewage treatment, Ammonia, Pulp and paper industry

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