Thermodynamic Study on Aromatization of Methanol

作     者：Zhang Yanjun Du Haofan Zhang Liangjie Li Jianwei Zhang Yanjun;Du Haofan;Zhang Liangjie;Li Jianwei

作者机构：State Key Laboratory of Chemical Resources EngineeringBeijing University of Chemical TechnologyBeijing 100029China 

出 版 物：《China Petroleum Processing & Petrochemical Technology》 (中国炼油与石油化工(英文版))

年 卷 期：2024年第26卷第4期

页      面：105-115页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 

基　　金：financially supported by the National Key R&D Program of China(2018YFB0604802) 

主　　题：methanol aromatization ZSM-5 molecular sieve thermodynamics 

摘      要：The number of independent reactions in the methanol aromatization system using a Zn/ZSM-5 molecular sieve as a catalyst is first determined by the atomic matrix ***,the thermodynamic network structure of the methanol aromatization system is proposed based on the double-cycle mechanism and independent reaction *** analysis is performed to determine the reaction enthalpy change,equilibrium constant,and Gibbs free energy at different temperatures for each *** effects of temperature and pressure on the equilibrium composition are also *** results indicated that the entire system is a process that generates a considerable amount of *** the temperature is not conducive to forming olefins,alkanes,and aromatics,except for methanol *** equilibrium composition of aromatics tends to increase and then decrease with the temperature *** equilibrium molar fraction of aromatics at pressures below 1.5 MPa,except benzene,increases significantly with increasing *** analysis of equilibrium components at varying temperatures and pressures is conducted to narrow the range for selecting the appropriate reaction temperature and pressure.