化工进展 ›› 2022, Vol. 41 ›› Issue (3): 1376-1390.DOI: 10.16085/j.issn.1000-6613.2021-2353

• 减污降碳协同化工节能减排技术 • 上一篇    下一篇

面向工业过程碳减排的分子筛膜技术研究进展

张春(), 王学瑞, 刘华, 高雪超, 张玉亭, 顾学红()   

  1. 南京工业大学化工学院,材料化学工程国家重点实验室,江苏 南京 211800
  • 收稿日期:2021-11-16 修回日期:2021-12-31 出版日期:2022-03-23 发布日期:2022-03-28
  • 通讯作者: 顾学红
  • 作者简介:张春(1982—),女,讲师,研究方向为膜分离。E-mail:zhangchun@njtech.edu.cn
  • 基金资助:
    国家重点研发计划(2021YFC2101201);国家自然科学基金(22035002);江苏省政策引导类计划(国际科技合作/港澳台科技合作)专项资金(BZ2020065)

Progress of zeolite membranes for reduction of carbon emission in industrial processes

ZHANG Chun(), WANG Xuerui, LIU Hua, GAO Xuechao, ZHANG Yuting, GU Xuehong()   

  1. State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211800, Jiangsu, China
  • Received:2021-11-16 Revised:2021-12-31 Online:2022-03-23 Published:2022-03-28
  • Contact: GU Xuehong

摘要:

我国工业过程碳排放占比高达70%,实施节能增效、替代燃料、CO2捕集等是实现工业过程碳减排的重要路径。高效膜分离技术已成为过程工业节能减排和环境治理的共性支撑技术。本文围绕碳减排目标,结合本文作者课题组在分子筛膜领域的相关工作,重点论述分子筛膜分离技术在有机溶剂脱水、清洁能源生产、CO2分离和反应过程强化等领域的研究进展。基于本文作者课题组十余年的有机溶剂脱水产业化工作,提出降低膜装备投资的中空纤维分子筛膜技术路线、强化分子筛膜应用技术研究是实现大规模工业应用的关键。分子筛膜在工业气体分离领域仍属空白,加强高硅/全硅分子筛膜的制备及其在复杂组成气体的分离应用研究,对推动分子筛膜气体分离的实际应用至关重要。

关键词: 分子筛膜, 碳减排, 有机溶剂脱水, CO2分离, H2分离, 膜反应

Abstract:

Carbon emissions from industrial processes account for up to 70% in China. Energy saving and efficiency enhancement, clean fuels, CO2 capture, etc. are the key pathway to achieve carbon emission reduction in industrial processes. High-efficient membrane separation has been deemed as a generic technology for energy saving, emission reduction and environmental protection. Focusing on carbon emission reduction, this paper summarized the main research progress in our group including organic solvent dehydration, clean fuel production, CO2 separation, and chemical reaction intensification using zeolite membranes. Based on the more than ten years of experience on organic solvent dehydration, we proposed hollow fiber zeolite membranes for lower investment and membrane process optimization, which would be the key point for large-scale application. Since there is no practical application for industrial gas separation, it is highly desired to strengthen the preparation of high-/all-silica zeolite membranes and the separation of complex gas mixture. This would prove the way of zeolite membrane to practical application for gas separation.

Key words: zeolite membranes, carbon emission, organic solvent dehydration, CO2 separation, H2 separation, membrane reaction

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