Targeted adsorption advanced treatment system for coking wastewater

A coking wastewater targeted adsorption advanced treatment system is beneficial to enhancing the impact resistance of an advanced treatment section and improving the stability of effluent quality and comprises a targeted adsorption device, an input port of the targeted adsorption device is connected with a high-density sedimentation tank through a clean water tank, and a first output port of the targeted adsorption device is connected with a backwashing effluent input port of a biochemical system through a pipeline; a defoaming water input port of the biochemical system is connected with a clean water tank, an output port of the biochemical system is connected with the high-density sedimentation tank through a secondary sedimentation tank, and the secondary sedimentation tank is connected with a first input port of a sludge dewatering machine through a sludge concentration tank; the high-density sedimentation tank is connected with a second input port of the sludge dewatering machine, an output port of the de