去污

去污	qù wū	to decontaminate; to clean
去	qù	to go / to go to (a place) / (of a time etc) last / just passed / to send / to remove / to get rid of / to reduce / to be apart from in space or time / to die (euphemism) / to play (a part) / (when used either before or after a verb) to go in order to do sth / (after a verb of motion indicates movement away from the speaker) / (used after certain verbs to indicate detachment or separation)
污	wū	variant of 污
污	wū	variant of 污
污	wū	dirty / filthy / foul / corrupt / to smear / to defile / dirt / filth