摘要
以采用3AMBR工艺的昆明市第四污水处理厂为研究对象,通过对该污水厂进出水和沿程各处理单元中氮素、DO浓度的全面监测,对比分析了在单点进水情况下不同供氧方式对脱氮效果的影响。结果表明,在试验条件下,采用膜池回流供氧方式,溶解氧的利用效率在一定程度高于传统的曝气供氧方式,可使出水总氮<10 mg/L,同时达到了节能降耗的目的。
The nitrogen and dissolved oxygen （DO） in influent, effluent and each treatment unit of Kunming Fourth Wastewater Treatment Plant with the 3AMBR process were monitored. The eitect ot different oxygen supply modes on nitrogen removal under single point feed condition was comparatively analyzed. The results showed that under the conditions of this experiment, the utilization efficiency of DO in the oxygen supply mode of reflux in membrane pool was in some degree higher than that in the traditional way of aeration oxygen supply, and the total nitrogen in effluent was lower than 10 mg/L. The purposes of energy saving and consumption reduction were achieved.
出处
《中国给水排水》
CAS
CSCD
北大核心
2015年第21期89-90,95,共3页
China Water & Wastewater
基金
国家水体污染控制与治理科技重大专项(2012ZX07302002-005)
广州市越秀区科技计划项目(2014-GX-069)
关键词
污水处理厂
供氧方式
膜生物反应器
脱氮
wastewater treatment plant
oxygen supply mode
MBR
nitrogen removal
