利用不同流向BAF反应器的特性以及优化反冲洗操作，对典型的两级上向流陶粒曝气生物滤池工艺进行改进试验。
The improvement test of typical two-stage up-flow biological aerated filter(UBAF) with ceramsite was performed using the characteristics of different flow BAFs and the optimized backwash operation.
为了解决混合生长系统在除磷和脱氮过程中的矛盾，采用两级SBR反应器实现磷和氮的同时去除。
Researchor use two-stage SBR reactor to remove phosphorus and nitrogen simultaneously, to solve the paradoxical relationships between phosphorus and nitrogen in the mixed growth system.
为研究低能耗污水处理技术，采用ABR(厌氧折流板)酸化反应器-两级人工湿地工艺处理生活污水。
To research a waste water treatment technology of low energy consumption, ABR acidification and two-stage constructed wetlands method was used to treat sewage.
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