简介:Thepressuredropacrossalaboratory-scalecatalystpackedbedwithmechanicalfailureofcatalystpelletshasbeenexamined.ItwasfoundthattheincreasedpressuredropcanbedescribedbyasimplifiedmodeldeducedfromErgun'sequation.Thepressuredropisdeterminedmainlybythetermofviscousenergyloss.