disclosed herein is a cyclone for separating fine particles from a gas . the cyclone includes a cyclone body having an upper end with an inlet and a lower end with a particulate outlet , gas outlet tube with an upper end that extends upwardly into the lower end of the cyclone body , and a vortex breaker . the upper end of the gas outlet tube is connected to the lower end of the cyclone body by a slip joint . the configuration of the cyclone provides for efficient removal of fine particles as compared to conventional techniques . a vessel containing cyclones , and methods of separation using the cyclones and vessel , also are disclosed .