) due to its large contribution to COD when aim is to enhance removal efficiency of the treatment system. In addition, the floatation unit and sedimentation unit should be improved.
要提高系统的处理效果，重要的一点是对气浮池和二沉池进行改进。
浮选
Pilot tests were made to treat wastewater from ammonia distillers and a mixture of wastewater from ammonia distillers and flotation wastewater,with the HSB adaptability analyzed after the system restarted or when abnormal wastewater,including floatation wastewater and benzene wastewater,entered the system.