化工进展 ›› 2024, Vol. 43 ›› Issue (10): 5612-5632.DOI: 10.16085/j.issn.1000-6613.2023-1691

• 材料科学与技术 • 上一篇    

氢气纯化吸附材料研究进展

苏士焜1(), 刘唐1,2, 金也1, 郑金玉1()   

  1. 1.中石化石油化工科学研究院有限公司新能源研究所,北京 100083
    2.中国石油大学(北京)化学工程与环境学院,北京 102249
  • 收稿日期:2023-09-25 修回日期:2023-11-27 出版日期:2024-10-15 发布日期:2024-10-29
  • 通讯作者: 郑金玉
  • 作者简介:苏士焜(1991—),男,博士,研究方向为气体纯化分离、多孔催化材料等。E-mail:tmacssk@163.com

Advances of adsorption materials for hydrogen purification

SU Shikun1(), LIU Tang1,2, JIN Ye1, ZHENG Jinyu1()   

  1. 1.New Energy Research Institute, RIPP, SINOPEC, Beijing 100083, China
    2.School of Chemical and Environmental Engineering, China University of Petroleum (Beijing), Beijing 102249, China
  • Received:2023-09-25 Revised:2023-11-27 Online:2024-10-15 Published:2024-10-29
  • Contact: ZHENG Jinyu

摘要:

氢能作为未来重要的能源组成,其来源具有多样性。其中工业制氢和副产氢过程通常会伴随多种杂质,如H2O、CO2、CO、N2、烃类、硫化物等,而杂质对氢气的实际应用影响较大,因此对工业粗氢和副产氢进行纯化处理是满足各类合格用氢需求的关键环节。吸附分离是目前工业上最为常用的氢气纯化技术之一,其中吸附材料的性能直接影响分离效率和工艺操作成本,研发高性能、低成本吸附材料是吸附分离技术应用于氢气纯化的重点研究方向。本文简述了常见的氢气纯化技术及吸附分离机理,重点归纳总结了活性炭、沸石分子筛和金属有机骨架材料(MOFs)对氢气中所含CH4、CO2、CO杂质的吸附脱除行为,讨论了吸附材料性能优化的研究现状,总结了上述吸附材料在工业应用中的优缺点,并认为未来氢气纯化吸附材料的研究应在吸附机理和计算方面有所侧重。

关键词: 氢气纯化, 吸附材料, 活性炭, 沸石分子筛, 金属有机骨架

Abstract:

Hydrogen, as an important energy component in the future, has diverse sources. Industrial hydrogen production and by-product hydrogen processes often come with various impurities, such as H2O, CO2, CO, N2, hydrocarbons, sulfides, etc. Impurities have a significant impact on the practical application of hydrogen gas. Therefore, purifying industrial crude hydrogen and by-product hydrogen is the key step in meeting various qualified hydrogen requirements. Adsorption separation is currently one of the most commonly used industrial hydrogen purification technologies, where the performance of adsorption materials directly affects separation efficiency and process operating costs. Developing high-performance and low-cost adsorption materials is the key research direction for the application of adsorption separation technology in hydrogen purification. This article briefly described common hydrogen purification technologies and adsorption separation mechanisms with a focus on summarizing the adsorption and removal behavior of CH4, CO2, and CO impurities in hydrogen by activated carbon, zeolite molecular sieves and metal-organic framework materials (MOFs). The research status of optimizing the performance of adsorption materials was discussed, and the advantages and disadvantages of the above adsorption materials in industrial applications were summarized. It was believed that research on hydrogen purification adsorption materials should focus on adsorption mechanisms and calculations.

Key words: hydrogen purification, adsorption materials, activated carbon, zeolites, metal-organic framework materials (MOFs)

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