Efficiency analysis of sorption-enhanced method in steam methane reforming process

作     者：Yaowei Hu Lu Liu Kai Xu Yuncai Song Jieying Jing Huiyan Zhang Jie Feng 

作者机构：State Key Laboratory of Clean and Efficient Coal UtilizationTaiyuan University of TechnologyTaiyuan 030024ShanxiChina Key Laboratory of Energy Thermal Conversion and Process Measurement and Control of Ministry of EducationSoutheast UniversityNanjing 210096China 

出 版 物：《Carbon Resources Conversion》 (碳资源转化（英文）)

年 卷 期：2023年第6卷第2期

页      面：132-141页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 

基　　金：the National Key R&D Program of China(2019YFC1906802)for the financial support 

主　　题：Sorption-enhanced method Steam methane reforming Reactive sorption enhanced steam methane reforming Pressure swing adsorption Process simulation 

摘      要：The sorption-enhanced method can change the thermodynamic equilibrium by absorbing CO_(2).However,it also brings about the problems of high regeneration temperature of adsorbent and large regeneration energy *** order to study the impact of enhanced adsorption methods on the overall energy cost of the system in the hydrogen production process,this paper analyzes and compares steam methane reforming and reactive adsorption-enhanced steam methane reforming with the energy consumption of hydrogen production products as the evaluation *** results showed that the energy consumption per unit hydrogen production decreased from 276.21 MJ/kmol to 131.51 MJ/kmol,and the decomposition rate of H2O increased by more than 20%after the addition of adsorption enhancement *** is proved that the advantage of sorption enhanced method on pre-separation of CO_(2)in the product makes up for the disadvantage of energy consumption of adsorbent *** addition,the ability of the process to obtain H element is improved by the high decomposition rate of H2O,which realizes a more rational distribution of the element.