浸没式MBR技术在养猪场废水处理中的应用
Application of immerged MBR technology for hoggery wastewater treatment
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摘要: 采用浸没式MBR,并结合传统的A/O工艺处理高COD和高NH3-N浓度的养猪场废水。结果表明,当废水处理站进水水质COD为9 100 mg/L,BOD5为3 788 mg/L,SS为4 490 mg/L,NH3-N为450 mg/L时,出水COD53-N<5 mg/L,达到DB 31/199-1997一级标准。实验证明,浸没式MBR法可用于畜禽养殖业废水处理。Abstract: Hoggery wastewater containing a high organic matter and ammoniac concentration was treated by immerged MBR and A/O process in this experiment. The results showed that when inlet concentrations of COD,BOD5,SS and NH3-N in the hoggery wastewater were 9 100 mg/L,3 788 mg/L,4 490 mg/L and 450 mg/L respectively, the outlet water reached the DB 31/199-1997 firstclass standard with the parameters of COD53-N<5 mg/L.This immerged MBR technology can be efficiently used for wastewater treatment in livestock production.
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