Boosting kinetic separation of ethylene and ethane on microporous materials <i>via</i> crystal size control

Yixuan Ma; Cong Yu; Lifeng Yang; Rimin You; Yawen Bo; Qihan Gong; Huabin Xing; Xili Cui

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Boosting kinetic separation of ethylene and ethane on microporous materials via crystal size control

Full Length Article | Updated：2026-01-06

- Boosting kinetic separation of ethylene and ethane on microporous materials via crystal size control
- Boosting kinetic separation of ethylene and ethane on microporous materials via crystal size control
- 中国化学工程学报（英文版） 2024年65卷第1期页码：85-91
- Affiliations：
  
  1. Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University,Hangzhou,China,310012
  2. Fundamental Science & Advanced Technology Lab, PetroChina Petrochemical Research Institute, China National Petroleum Corporation,Beijing,China,102200
  3. ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University,Hangzhou,China,311200
  4. Zheda Institute of Advanced Materials and Chemical Engineering,Shanxi,Hangzhou,China,310027
- Author bio：
- Funds：
  
  This work is supported by the National Key Research and Development Program of China (2022YFB3806800);the National Natural Science Foundation of China (22122811, 22008209), the ShanxiZheda Institute of Advanced Materials and Chemical Engineering (2021SZ-TD008).
- DOI：
  中图分类号：
- 纸质出版：2024
- Accepted：
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Yixuan Ma, Cong Yu, Lifeng Yang, 等. Boosting kinetic separation of ethylene and ethane on microporous materials via crystal size control[J]. 中国化学工程学报（英文版）, 2024,65(1):85-91.

crystal size control[J]. 中国化学工程学报, 2024, 65(1): 85-91.
Yixuan Ma, Cong Yu, Lifeng Yang, 等. Boosting kinetic separation of ethylene and ethane on microporous materials via crystal size control[J]. 中国化学工程学报（英文版）, 2024,65(1):85-91. DOI：

crystal size control[J]. 中国化学工程学报, 2024, 65(1): 85-91. DOI：

摘要

Abstract

The adsorptive separation of C

and C

as an alternative to distillation units consuming high energy

is a promising yet challenging research. The great similarity in the molecular size of C

and C

brings challenges to the regulation of adsorbents to realize efficient dynamic separation. Herein

we reported the enhancement of the kinetic separation of C

by controlling the crystal size of ZnAtzPO

(Atz=3-amino-1

4-triazole) to amplify the diffusion difference of C

and C

. Through adjusting the synthesis temperature

reactant concentration

and ligands/metal ions molar ratio

ZnAtzPO

crystals with different sizes were obtained. Both single-component kinetic adsorption tests and binary-component dynamic breakthrough experiments confirmed the enhancement of the dynamic separation of C

with the increase in the crystal size of ZnAtzPO

. The separation selectivity of C

increased from 1

.3 to 98.5 with the increase in the crystal size of ZnAtzPO

. This work demonstrated the role of morphology and size control of adsorbent crystals in the improvement of the C

kinetic separation performance.

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Boosting kinetic separation of ethylene and ethane on microporous materials via crystal size control

Boosting kinetic separation of ethylene and ethane on microporous materials via crystal size control

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摘要

Abstract

关键词

Keywords

references