Application of SBR method in chemical sewage treatment project of sewage treatment center
This paper studies the treatment effect of SBR process in the process of sewage treatment in a sewage treatment plant.The orthogonal experiment method was used to analyze the optimal operating parameters in the SBR process,and the removal effect of each parameter index under the optimal operating process was verified.It was found that the optimal operating conditions of SBR device were as follows:water mixing time of 25min,aeration time of 3h,stop aeration mixing time of 75min,sedimentation time of 40min,and decanting idle time of 2h.Under this condition,the CODCr concentration and NH3-N concentration in the treated sewage can reach the first level A standard,and the TP concentration can reach the first level B standard.The effect of MLSS on SBR process was also studied.It was found that with the increase of MLSS,the CODCr removal rate,NH3-N removal rate and TP removal rate in the sewage treatment process were improved.The optimum MLSS concentration in SBR process was 2000mg·L-1.
万方数据
维普
