The Electro-magnetohydrodynamic (EMHD) marine oil film recovery technology provides a new disposal method for the thin oil/oil film, such as the Bohai ConocoPhillips oil spill. It is based on the different flow states of oil, air and seawater under the action of electro-magnetic force, gravity, buoyancy and interphase force. In this paper, the currently existing disposal methods on marine thin …