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
- Chinese Journal of Chemical Engineering Vol. 65, Issue 1, Pages: 85-91(2024)
- 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：
- DOI：
  CLC：
- Published：2024
- Accepted：
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crystal size control[J]. 中国化学工程学报, 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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Related Institution

School of Environmental and Chemical Engineering, Shenyang Ligong University

Key Laboratory of Membrane Materials and Processes, Department of Chemical and Materials Engineering, Hefei University, 99 Jinxiu Avenue

Key Laboratory of Membrane Materials & Processes, Department of Chemical and Materials Engineering, Hefei University

State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology

College of Chemistry and Chemical Engineering, Xinjiang Normal University

⁰

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

DOI：

摘要

Abstract

关键词

Keywords

references