NiMo/HY催化剂上四氢萘加氢裂化反应网络与热力学平衡分析

doi:10.11949/j.issn.0438-1157.20171034

化工学报 ›› 2018, Vol. 69 ›› Issue (2): 709-717.DOI: 10.11949/j.issn.0438-1157.20171034

• 催化、动力学与反应器 • 上一篇下一篇

NiMo/HY催化剂上四氢萘加氢裂化反应网络与热力学平衡分析

陈俊森¹, 彭冲², 方向晨², 周志明¹

1 化学工程联合国家重点实验室, 华东理工大学, 上海 200237;
2 中国石油化工股份有限公司抚顺石油化工研究院, 辽宁抚顺 113001

收稿日期:2017-07-31 修回日期:2017-09-30 出版日期:2018-02-05 发布日期:2018-02-05
通讯作者: 周志明
基金资助:
中央高校基本科研业务费项目（222201718003）。

Reaction network and thermodynamic equilibrium for tetralin hydrocracking over NiMo/HY catalyst

CHEN Junsen¹, PENG Chong², FANG Xiangchen², ZHOU Zhiming¹

1 State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China;
2 Fushun Research Institute of Petroleum and Petrochemicals, SINOPEC, Fushun 113001, Liaoning, China

Received:2017-07-31 Revised:2017-09-30 Online:2018-02-05 Published:2018-02-05
Supported by:
supported by the Fundamental Research Funds for the Central Universities (222201718003).

摘要/Abstract

摘要：

采用固定床反应器对四氢萘在NiMo/HY工业催化剂上的加氢裂化反应过程进行了研究，考察了反应温度对产物分布的影响，提出了四氢萘加氢裂化反应网络。该网络包含加氢、异构、脱氢、开环、脱烷基等12个反应，通过热力学计算，得到了这些反应的平衡常数，并据此求得各类产物的平衡收率及其随温度、压力和氢气/四氢萘（摩尔比）的变化规律。由热力学平衡分析得到的产物收率随反应条件的变化规律与实验结果较为吻合，表明本文构建的反应网络可以较好地描述NiMo/HY催化剂上的四氢萘加氢裂化反应体系。

关键词: 加氢裂化, 反应网络, 热力学, 平衡, 反应工程

Abstract:

Tetralin hydrocracking over a commercial catalyst NiMo/HY was carried out to study temperature effect on product distribution in a laboratory-scale fixed-bed reactor. Based on the experimental results, a reaction network for tetralin hydrocracking was proposed, which contained 12 reactions with different types such as hydrogenation, isomerization, dehydrogenation, ring opening and dealkylation. Thermodynamic equilibrium calculations provided equilibrium constants for all reactions in the network, equilibrium yields of different products as well as yield variations with temperature, pressure and molar ratio of H₂ to tetralin. Thermodynamic calculation of product yield changes with operating conditions was generally in agreement with those of experiments, demonstrating that the reaction network depicted well for tetralin hydrocracking over NiMo/HY catalyst system.

Key words: hydrocracking, reaction network, thermodynamics, equilibrium, reaction engineering

中图分类号:

陈俊森, 彭冲, 方向晨, 周志明. NiMo/HY催化剂上四氢萘加氢裂化反应网络与热力学平衡分析[J]. 化工学报, 2018, 69(2): 709-717.

CHEN Junsen, PENG Chong, FANG Xiangchen, ZHOU Zhiming. Reaction network and thermodynamic equilibrium for tetralin hydrocracking over NiMo/HY catalyst[J]. CIESC Journal, 2018, 69(2): 709-717.

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NiMo/HY催化剂上四氢萘加氢裂化反应网络与热力学平衡分析

Reaction network and thermodynamic equilibrium for tetralin hydrocracking over NiMo/HY catalyst

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