为解决水渣对环境的污染及综合利用的问题，以水渣为主要原料，添加黏结剂和成孔剂，经混合、成球、养护制成免烧型水渣滤料．在直径为150mm，滤料层高为1500mm的水渣滤料曝气生物滤池（WBAF）中处理生活污水．结果表明，在温度为20～27℃，pH为7．0～8．0，气水比为5：1，进水ρCONDcr=167．58mg／L、浊度=34．60NTU、ρ（NH4^＋-N）=36．45mg／L时，相应的出水指标为PCODcr=37．73mg／L、浊度=7．57NTU、ρ（NH4^＋-N）：5．39mg／L，符合国家污水综合排放标准（GB8978-1996）一级标准．氨氮去除效果明显是因为水渣滤料能溶出碱性物质，为硝化反应提供了碱度．%In order to dipose of the enviromental pollution caused by blast furnace water quenched slag and its comprehensive utilization, water quenched slag was adopted as dominating material mixed with bond and poreforming agent by commingle, conglobate and conseve to make avoiding-burning water quenchde slag filter medium. A pilot scale Water quenched slag filter medium Biological Aerated Filter （WBAF） of 150 mm in diameter and 1 500 mm in media height was tested to treat domestic Sewage. The results showed that PCODcr, = 37.73 mg/L,turbidity = 7.57 NTU,ρ（NH4^＋-N） 5.39 mg/L when the corresponding influent concentration was 167.58 mg/L,34.60 NTU ,36.45 mg/L, respectively, under the conditions of T = 20 - 27 ℃ , pH = 7.0 - 8.0 and gas/ liquid = 5： 1. The quality indexes of the domestic sewage after treatment conform with the national discharge standards. The water quenched slag filter medium has higher ammonia nitrogen removal efficiency that because it can sufficiently supply alkalinity by dissolving alkaline substances.
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