AO生物脱氮工艺处理皮革废水研究

Huawen ZHONG,Fangfang YE,Lijun NIE,Peixi LIN,Limei JIANG,Zhiwu LIN

Journal of Guangdong University of Petrochemical Technology（2020）

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Abstract

针对皮革废水含氮较高的水质特性,用缺氧-好氧(AO)工艺对皮革废水进行生物脱氮处理.主要研究水力停留时间(HRT)和溶解氧(DO)对AO工艺生物脱氮的影响,在A池的HRT和DO质量浓度分别为16～20 h和0.2～0.5 mg/L、O池的HRT和DO质量浓度分别为18～22 h和2.5～3.0 mg/L条件下,处理出水的化学需氧量、氨氮、总氮、悬浮物和色度分别为76,6.2,24,24 mg/L和23倍,平均去除率分别为82.3％、87.6％、56.4％、72.1％和74.4％.

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