The wastewater was treated by the processes of aerobic and anaerobic biological treatment.
选用好氧和厌氧生物处理的方法对奥里油废水进行了初步试验研究.
This explains why the degradation efficiency decreased, while using aerobic biological treatment after anaerobic treatment.
这揭示了厌氧处理之后,采用好氧生物处理时,废水有机物去除率反而降低的现象.
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