Air and liquid backwashing, with airflow rate of 60m/h and liquid flow rate of 30m/h, is daily undertaken in this BAF system, which consumes 10% influent a day.

• BAF反冲洗采用气水联合反冲，每天1次，气反冲速度为60m/h，水反冲速度为30m/h，反冲洗约消耗日处理水量的10%25。