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中试螺旋式自循环厌氧反应器处理安乃近制药废水的稳定性能

Keywords: 螺旋式自循环厌氧反应器,稳定性,耐冲击能力,恢复能力

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Abstract:

以制药废水实验了50m3螺旋式厌氧反应器(SPAC反应器)的稳定性。采用AugmentedDickey-Fuller(ADF)单位根检验表明,螺旋式反应器具有良好的启动和运行稳定性。负荷冲击实验显示,SPAC反应器具有较好的耐浓度冲击能力和耐水力冲击能力,所能耐受的最大浓度冲击强度大于60000(mg·h)/L(进水浓度提升2倍),所能耐受的最大水力冲击强度为300(m3·h)/d(进水流量提升50%)。SPAC反应器还具备受扰恢复能力。在反应液pH低于5.74,出水浓度、COD去除率和容积COD去除速率(VRR)分别为3500mg/L、22.30%和2.52kg/(m3·d)的工况下,经过30d恢复,出水浓度、COD去除率和VRR的恢复程度达到80%~90%。

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