The mechanism and process of coking reaction for vacuum residua are analyzed, and the lumping kinetic model is used in the process of vacuum residua coking reaction.

• 对减压渣油焦化反应机理和反应过程进行了分析,将集总动力学模型用于减压渣油焦化反应过程,建立了减压渣油焦化反应的六集总动力学模型。