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环境工程学报 2011
Experimental study on carbon and ammonia removal in high concentration industrial wastewater by ABR-BAF combined technology
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Abstract:
将ABR和BAF组合工艺应用于高浓度有机工业废水,实验中对比了膜法ABR和泥法ABR的COD去除效率及其氨氮变化规律; BAF工艺对比了HRT=3 h和HRT=4.5 h时COD和氨氮的降解效果。结果表明,在进水流量为2 L/h,进水COD在1 350~2 220 mg/L之间、氨氮在15~73 mg/L范围时,在ABR装置中放置填料,其对COD平均去除率为81.6%,而此时氨氮浓度成倍增加,后续BAF工艺采用双柱进行好氧降解,其HRT=4.5 h,整个组合工艺出水COD<100 mg/L,氨氮<15 m