Reactor Model for Heavy Oil Hydrotreating with Catalyst Deactivation Based on Vanadium and Coke Deposition,Energy & Fuels

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Reactor Model for Heavy Oil Hydrotreating with Catalyst Deactivation Based on Vanadium and Coke Deposition
Energy & Fuels ( IF 5.2 ) Pub Date : 2022-08-26 , DOI: 10.1021/acs.energyfuels.2c00876
Javier Jurado ₁ , Jorge Ancheyta _{1,

2}

Affiliation

A quasi-dynamic one-dimensional pseudohomogeneous trickle-bed reactor model for hydrotreating of heavy vacuum residue was developed. The model includes catalyst deactivation based on the concentration of impurities in heavy oil as well as coke and vanadium deposition on the catalyst surface during time-on-stream. The concentrations of sulfur and vanadium in products and on the catalyst surface were considered in the objective function based on squared differences between calculated and experimental values to determine the model parameters. Literature experimental data of heavy vacuum residue hydrotreating were used for model validation. The proposed model predicted well the typical “S” shape profiles during time-on-stream due to catalyst deactivation for heavy oil hydrotreating.

中文翻译：

基于钒和焦炭沉积的催化剂失活重油加氢反应器模型

建立了用于重质减压渣油加氢处理的准动态一维拟均相滴流床反应器模型。该模型包括基于重油中杂质浓度的催化剂失活以及在运行期间催化剂表面上的焦炭和钒沉积。基于计算值和实验值之间的平方差，在目标函数中考虑了产品和催化剂表面上硫和钒的浓度，以确定模型参数。采用重质减压渣油加氢处理的文献实验数据进行模型验证。由于重油加氢处理的催化剂失活，所提出的模型很好地预测了运行期间典型的“S”形曲线。

更新日期：2022-08-26

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