A new generic reaction for modeling fluid catalytic cracking risers

作     者：Yong Li Jizheng Chu Jiarui Zhang 

作者机构：College of Information Science and Technology Beijing University of Chemical Technology Beijing 100029 China 

出 版 物：《Chinese Journal of Chemical Engineering》 (中国化学工程学报（英文版）)

年 卷 期：2017年第25卷第10期

页      面：1449-1460页

核心收录：

学科分类：081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 

基　　金：Supported by the National Natural Science Foundation of China(21676012) the Fundamental Research Funds for the Central Universities(Project YS1404) the National High Technology Research and Development Program of China(2007AA04Z191) 

主　　题：Fluid catalytic cracking riser Kinetic modeling Pseudo component Petroleum Steady state model Parameter estimation 

摘      要：A new generic reaction in the form of PC_i→PC_m+[i,m]→PC_m+λi,m coke+surplusage has been proposed for describing the catalytic cracking behavior of petroleum narrow cuts or pseudo-components(PCs),where the rate constant formula is derived from the transition state theory and the coking amount is correlated to the properties of the intermediate substance [i,m].In composing the cracking reaction network for feedstock and product oils,only the product PC m of the proposed generic reaction is used,which together with a criterion for excluding exothermic reactions,distinctly reduces the number of reactions in the *** the proposed cracking reaction scheme coupled with special pseudo-components,a predictive one-dimensional steady state model for fluid catalytic cracking risers is formulated in the sense that for a given riser and given catalyst,the model parameters are independent of stock oils,product schemes and other operational *** great correlating and predicting capability of the resulted model is tested with production data in different scenarios of four commercial risers.