It was found that the two stage system consisting of SBRI and SBRII was more effective as compared with single stage SBR system and therefore recommended.

• 结果表明,与单级SBR相比,两级SBR处理系统可使用较短的水力停留时间而获得较高的污染物去除率和较好的出水水质,并可通过硝化过程实现氨氮的完全硝化。