The progress in FCC stripper, including [he flowing behavior of gas-solid in baffles stripper, annular stripper and packing stripper, was introduced.

• 摘要介绍了近年来催化裂化装置汽提器的研究现状，主要包括档板汽提器的气固流态化行为，环流汽提器和填料型汽提器。