A Scalable Ultramicroporous Coordination Network for Ethylene Separation from the Quaternary Mixture

Adsorptive ethylene separation from the C<sub>2</sub>H<sub>2</sub>/C<sub>2</sub>H<sub>4</sub>/C<sub>2</sub>H<sub>6</sub>/CO<sub>2</sub> four-component gas mixture provides a low-energy input solution for industrial ethylene purification, yet it is still a great challenge. Herein, we report a facile scaled-up synthesis of a stable ultramicroporous coordination network of Zn-CO<sub>3</sub>-datz (Hdatz = 3,5-diamine-1,2,4-triazole), which enables selective adsorption of C<sub>2</sub>H<sub>2</sub>, C<sub>2</sub>H<sub>4</sub> and CO<sub>2</sub> over C<sub>2</sub>H<sub>4</sub>, thanks to its specific pore environment supported by GCMC simulation of gas adsorption sites. Dynamic breakthrough experiments exhibited efficient one-step production of polymer-grade (≥99.95%) C<sub>2</sub>H<sub>4</sub> from the quaternary C<sub>2</sub>H<sub>4</sub>/C<sub>2</sub>H<sub>2</sub>/C<sub>2</sub>H<sub>6</sub>/CO<sub>2</sub> (1/1/1/1) mixture, with excellent C<sub>2</sub>H<sub>4</sub> productivity of 0.12 mol kg<sup>-1</sup> at 298 K. Moreover, it can be easily synthesized in kilogram scale with an affordable and low-cost ligand, rendering its further potential industrial applications.

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Publication Details

Journal
Inorganic Chemistry
Published
2024-09-06
DOI
https://doi.org/10.1021/acs.inorgchem.4c03193
Citations
7
Primary Topic
Metal-Organic Frameworks: Synthesis and Applications
Type
article
Field-Weighted Citation Impact
1.11

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article

A Scalable Ultramicroporous Coordination Network for Ethylene Separation from the Quaternary Mixture

Jianwei Cao, Tao Zhang, Xue Zhang, Kai‐Jie Chen et al.
7 citations
Inorganic Chemistry
Metal-Organic Frameworks: Synthesis and Applications
1.11
article

A Scalable Ultramicroporous Coordination Network for Ethylene Separation from the Quaternary Mixture

Jianwei Cao, Tao Zhang, Xue Zhang, Kai‐Jie Chen, Rong Yang, Shihao Wang, Jin-Bo Wang
article en
7 citations

Abstract

Adsorptive ethylene separation from the C<sub>2</sub>H<sub>2</sub>/C<sub>2</sub>H<sub>4</sub>/C<sub>2</sub>H<sub>6</sub>/CO<sub>2</sub> four-component gas mixture provides a low-energy input solution for industrial ethylene purification, yet it is still a great challenge. Herein, we report a facile scaled-up synthesis of a stable ultramicroporous coordination network of Zn-CO<sub>3</sub>-datz (Hdatz = 3,5-diamine-1,2,4-triazole), which enables selective adsorption of C<sub>2</sub>H<sub>2</sub>, C<sub>2</sub>H<sub>4</sub> and CO<sub>2</sub> over C<sub>2</sub>H<sub>4</sub>, thanks to its specific pore environment supported by GCMC simulation of gas adsorption sites. Dynamic breakthrough experiments exhibited efficient one-step production of polymer-grade (≥99.95%) C<sub>2</sub>H<sub>4</sub> from the quaternary C<sub>2</sub>H<sub>4</sub>/C<sub>2</sub>H<sub>2</sub>/C<sub>2</sub>H<sub>6</sub>/CO<sub>2</sub> (1/1/1/1) mixture, with excellent C<sub>2</sub>H<sub>4</sub> productivity of 0.12 mol kg<sup>-1</sup> at 298 K. Moreover, it can be easily synthesized in kilogram scale with an affordable and low-cost ligand, rendering its further potential industrial applications.

Inorganic ChemistryVol. 63(37)
Northwestern Polytechnical University (CN), Ministry of Industry and Information Technology (CN)
National Natural Science Foundation of China, China Postdoctoral Science Foundation, State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University
Openalex Percentile: Top 25%
Metal-Organic Frameworks: Synthesis and Applications
1.11
DOISourceOpenAlex
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A Scalable Ultramicroporous Coordination Network for Ethylene Separation from the Quaternary Mixture — Jianwei Cao, Tao Zhang, et al. · Inorganic Chemistry (2024) | TGRS Research Map | TGRS