Abstract
With the development of the times, the demand for dairy becomes more and more heavily all over the world. Meanwhile, the dairy wastewater is doing more and more harm to the environment. Now the SBR(Sequencing Batch Reactor) process has been widely used in dairy wastewater treatment. The SBR process is a biologic treatment method with simple structure and nimble operation. In this paper in order to study the removal effect of dairy wastewater, the SBR process is divided into anoxic stir for 30 minutes and aeration for 3 hours. The MLSS was controlled at 2400-2600 mg/L and the sludge retention time could be controlled in 13-17 days. The results showed that the concentration of COD, ammonia nitrogen and phosphate can reach 90 mg/L, 9mg/L and 6mg/L. Therefore the SBR process can achieve the good removal effect for the dairy wastewater.
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