This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/cjce.23830 Hydrocarbon condensation modelling to mitigate fluid coker cyclone fouling Erica Glatt 1 , Dominic Pjontek 1 , Craig McKnight 2 , Jason Wiens 2 , Michael Wormsbecker 2 , Jennifer McMillan 2 1 Department of Chemical and Biochemical Engineering, Western University, London, Ontario, Canada, N6A 5B9 2 Syncrude Canada Ltd., 9421-17 Avenue, Edmonton, Alberta, Canada, T6N 1H4 Correspondence Dominic Pjontek Department of Chemical and Biochemical Engineering, Western University, London, Ontario, Canada, N6A 5B9 Email: dpjontek@uwo.ca Abstract FLUID COKING is a continuous process that thermally converts heavy hydrocarbons, such as oil sands bitumen, to lighter and higher-value products by horizontal spray injection onto a fluidized bed of hot coke particles. The cyclone sections of commercial fluid coker reactors experience fouling during typical operation, which limits unit run lengths. The main objective of this work is to improve fluid coker reliability by proposing cyclone fouling mitigation strategies based on practical operation modifications. This study developed a process simulation in Aspen This article is protected by copyright. All rights reserved.