The oil pollution caused by ship transport mainly includes two categories the first is the pollution caused by normal navigation, eg: cabin bilge water, oil tanker ballast water, washing water and so on. The second category is due to shipping accidents, eg: oil spill. Among all types of marine pollution, oil pollution should be said that the most serious. Because oil is difficult to volatile, making the oil on the sea to form a terrible oil film, resulting in a series of serious consequences. Oil as the basis of industry, it can’t be replaced for industry, the oil bring us a lot of convenience in production and life, but also brought the significant pollution to the environment, especially the marine environment, and now, oil Pollution has become one of the most important causes of marine pollution
