低温条件下SBR处理城市污水污泥的影响因素

On City Sewage Treat ment by SBR Method at Low Temperature

针对低温条件下SBR工艺处理城市生活污水的特点,以污水(CODCr、BOD5、NH3-N、TP(总磷)的去除率为考查目标,在污水处理厂10m3/d的试验中试装置上,进行了工艺条件正交实验及污水CODCr、BOD5、NH3-N、TP的去除规律的研究;结果表明,在低温条件下经最优的工艺组合处理,出水的CODCr、TP、NH3-N浓度均可满足国家一级排放标准,研究建立的CODCr去除率模型与试验结果吻合度较高。

Aiming at characteristics of citysewagetreatment by SBRtechnique ,withthe removal ratio of CODCr,BOD5,NH3-N,TPand PHas the purpose ,a spot experiment was carried out in an experiment center and the results showed that the concentration ofCODCr, NH3-Nand TPcouldreachthe first -grade national standardinsewage at lowtemperature after optimizingtechnical treatmentandthat the removal ratio of CODCrmodel could closely matchthe results of the experiment .