Designed synthesis of porous carbons for the separation of light hydrocarbons

doi:10.1016/j.cjche.2021.11.005

中国化学工程学报 ›› 2022, Vol. 42 ›› Issue (2): 130-150.DOI: 10.1016/j.cjche.2021.11.005

• Recent Advances in Adsorptive Separation Materials and Technologies • 上一篇下一篇

Designed synthesis of porous carbons for the separation of light hydrocarbons

Shuang Xu, Ru-Shuai Liu, Meng-Yao Zhang, An-Hui Lu

State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory for Catalytic Conversion of Carbon Resources, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China

收稿日期:2021-05-23 修回日期:2021-11-01 出版日期:2022-02-28 发布日期:2022-03-30
通讯作者: An-Hui Lu,E-mail:anhuilu@dlut.edu.cn
基金资助:
The research was financially supported by the National Natural Science Foundation for Distinguished Young Scholars (21225312) and the Cheung Kong Scholars Program of China (T2015036), and the Fundamental Research Funds for the Central Universities (DUT20GJ215).

Designed synthesis of porous carbons for the separation of light hydrocarbons

Shuang Xu, Ru-Shuai Liu, Meng-Yao Zhang, An-Hui Lu

State Key Laboratory of Fine Chemicals, Liaoning Key Laboratory for Catalytic Conversion of Carbon Resources, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China

Received:2021-05-23 Revised:2021-11-01 Online:2022-02-28 Published:2022-03-30
Contact: An-Hui Lu,E-mail:anhuilu@dlut.edu.cn
Supported by:
The research was financially supported by the National Natural Science Foundation for Distinguished Young Scholars (21225312) and the Cheung Kong Scholars Program of China (T2015036), and the Fundamental Research Funds for the Central Universities (DUT20GJ215).

摘要/Abstract

摘要： The separation of light hydrocarbon mixtures (C₁-C₃) generated from petrochemical industry is vital and challenging process for obtaining valuable pure chemical feedstocks. In comparison to the energy intensive conventional separation technologies (cryogenic distillation, absorption and hydrogenation), the adsorptive separation is considered as a low energy cost and high efficiency process. Porous carbons have been demonstrated as excellent adsorbents for the separation of light hydrocarbons, owing to their designable structure and tailorable properties. This review summarizes the recent advances of using porous carbons as adsorbents for the separation of light hydrocarbons, including methane/nitrogen, methane/alkane, methane/carbon dioxide, ethylene/ethane and propylene/propane. We discuss the separation mechanisms and highlight the material features including pore structure, surface chemistry and target molecular properties that determine the separation performance. Furthermore, the challenges and development direction associated with carbonaceous adsorbents for light hydrocarbon separation are discussed, meanwhile the guidelines for the design of porous carbons are proposed.

关键词: Porous carbon, Adsorption, Separation, Hydrocarbons

Abstract: The separation of light hydrocarbon mixtures (C₁-C₃) generated from petrochemical industry is vital and challenging process for obtaining valuable pure chemical feedstocks. In comparison to the energy intensive conventional separation technologies (cryogenic distillation, absorption and hydrogenation), the adsorptive separation is considered as a low energy cost and high efficiency process. Porous carbons have been demonstrated as excellent adsorbents for the separation of light hydrocarbons, owing to their designable structure and tailorable properties. This review summarizes the recent advances of using porous carbons as adsorbents for the separation of light hydrocarbons, including methane/nitrogen, methane/alkane, methane/carbon dioxide, ethylene/ethane and propylene/propane. We discuss the separation mechanisms and highlight the material features including pore structure, surface chemistry and target molecular properties that determine the separation performance. Furthermore, the challenges and development direction associated with carbonaceous adsorbents for light hydrocarbon separation are discussed, meanwhile the guidelines for the design of porous carbons are proposed.

Key words: Porous carbon, Adsorption, Separation, Hydrocarbons

Shuang Xu, Ru-Shuai Liu, Meng-Yao Zhang, An-Hui Lu. Designed synthesis of porous carbons for the separation of light hydrocarbons[J]. 中国化学工程学报, 2022, 42(2): 130-150.

Shuang Xu, Ru-Shuai Liu, Meng-Yao Zhang, An-Hui Lu. Designed synthesis of porous carbons for the separation of light hydrocarbons[J]. Chinese Journal of Chemical Engineering, 2022, 42(2): 130-150.

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Designed synthesis of porous carbons for the separation of light hydrocarbons

Designed synthesis of porous carbons for the separation of light hydrocarbons

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