In reversed A2/O process an anaerobic tank is put before anoxic tank and design dividual point infall in aerobic tank after anoxic tank.

• 在充分分析传统A2/O工艺的基础上,提出了将缺氧池置于厌氧池前面,厌氧池后设置好氧池的分点进水倒置A2/O工艺。