Coke plant wastewater was treated by anaerobic/anoxic/two-stage aerobic biological filters which were packed with expanded spherical ceramsite.

• 以实际焦化废水为对象,采用不同规格的球形轻质陶粒作填料,在上向流厌氧/缺氧/两级好氧生物滤池中对其进行了处理。