Discarding effluent generated on a ship is one of the few things a ship which should be taken care of if one wants to save his shipping company from heavy fine. Though effluent can be discharged into the sea, we cannot discharge it directly overboard as there are some regulations regarding discharging of effluent that needs to be followed. Most of the vessels have an effluent treatment system, which is designed to treat effluent water before releasing it from the vessel to the sea. The effluent generated after different containers washing in dockyard contains different type of wastes. Hence in this paper the characteristics of effluent water generated after different container washing and its parameters, different treating methods for effluent, and its efficiency of its reuse for further purposes is mentioned
