有毒物冲击负荷对厌氧折流板反应器的影响

在16.2L厌氧折流板反应器（ABR）中，以五氯酚钠配水进行了毒物冲击负荷试验当进水COD为1100～1200mg/L，HRT为24h时，连续两大投加五氯酚钠 17.72、17.48mg/L，再以 1～2mg/L连续进水结果表明，ABR具有较强的抗毒物冲击自助，反应器后段 COD去除率在第6d可基本恢复到冲击前水平，整个系统活性恢复约需4周仲击负荷后系统微生物依次经历明显被抑制的阶段及其代谢活性恢复的阶段用COD去除率比值和COD_vfa与COD_filt值可以表征系统恢复的历程

The effect of toxic organic compound shock load on anaerobic baffled reactor

A 16.2L anaerobic baffled reactor (ABR) with five compartments, was used to examine the effect of toxic organic compound shock load, the shock load was formed by a feed containing pentachlorophenol sodium (PCP-Na) 17.72,17.48 mg/L in the first two days then back to 1 - 2 mg/L in the other days. The reactor was operated at 35 1 , 24h HRT for I month. The 1100-1200mgCOD/L of influent synthesized by glucose, urea and KH2PO4 was continuously feed. It was found that the compartmentalized ABR could bear the toxic shock load. The PCP-Na and COD of the effluent returned to normal in I week after the shock. The recovery of the whole system activity required about 4 week. The concentration change of PCP-Na in effluent follows first orders reaction with respect to recovery time. The microbes underwent, in tUrn, an activity-inhibited period and activity recuperated period after the shock load. The activity of acid formation bacteria recovered more quickly than methanogenic bacteria. The ndcrobial activity in the back section recovered more quickly than in the front section of the reactor