渣油催化裂化反应集总动力学模型的研究  

INVESTIGATION OF THE LUMP KINETIC MODEL FOR RESIDUE CATALYTIC CRACKING REACTION

作　　者：任杰[1] 翁惠新[2] 刘馥英[2] 

机构地区：[1]抚顺石油学院石油化工系 [2]华东理工大学石油加工研究所

出　　处：《石油学报（石油加工）》1994年第4期1-8,共8页Acta Petrolei Sinica(Petroleum Processing Section)

摘　　要：应用集总理论,将渣油催化裂化反应系统归并为减压渣油、重燃料油、轻燃料油、汽油和气体+焦炭,又将减压渣油、重燃料油、轻燃料油分为烷基碳、环烷碳和芳香碳,提出了渣油催化裂化反应的物理模型。考虑到碱性氮中毒、重芳环吸附和生焦引起时变失活的影响,通过催化裂化反应实验和参数估计,测定反应速率常数和活化能参数,建立了可以预测产品分布的渣油催化裂化反应十一集总动力学模型。The purpose of this work is to develop a lump kinetic model for residue catalytic cracking reaction. The kinetic model consists of eleven lumped species, i. e. paraffinic carbon (>773K), naphthenic carbon (>773K), aromatic carbon (>773K), paraffinic carbon (623—773K), naphthenic carbon (623—773K), aromatic carbon (623—773K), paraffinic carbon (477—623K), naphthenic carbon (477—623K), aromatic carbon (477—623K), gasoline and C lump (gas+coke). The kinetic model also incorporates the effect of nitrogen poisoning,aromatic ring adsorption, and time dependent catalyst decay. By the experimental data over a wide range of reaction conditions, the rate constants and activation energy parameters of the model have been measured by parameter estimation. The investigation indicates that the eleven lump kinetic model for residue catalytic cracking has the capability of predicting well the product distribution for various feedstocks. It is possible for the model to be used to provide basis for commercial units optimization of residue catalytic cracking.

关 键 词：渣油 催化裂化 动力学 模型 

分 类 号：TE626.25[石油与天然气工程—油气加工工程] TE624.41