The backwash mode of LBAF adopts the air-water conbined backwash , which the intensity are 5L air/m2.s and 4.5 L water/m2.s, lasting 15 min. In case of 0.85m height of media , backwash water consumption was near 10% of the treating water.

• LBAF 的反冲洗采用气水联合反冲洗进行；在气冲强度5L/ m2·s；水冲强度4.；5 L/ m2·s 的条件下；反冲洗时间大致需要15min；在填料高度0