认为目前对难降解有机污染物的生物处理存在的关键问题是技术不够成熟，降解效率还不高。
Unripe technology and low degradation efficiency is the vital problem to deal with the refractory organic pollutant recently.
因此，用生物法处理石油烃类污染物的研究具有可行性，并具现实意义。
Therefore, the biological method for disposing petroleum hydrocarbon pollutants has feasibility and operation significance.
采用膜生物流化床处理城市污水，考察了其对污染物的去除效果。
The pollutants removal efficiency in treatment of the municipal wastewater by membrane-fluidized bed bioreactor was investigated.
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