Amino‐Functionalised Hybrid Ultramicroporous Materials that Enable Single‐Step Ethylene Purification from a Ternary Mixture

Pyrazine‐linked hybrid ultramicroporous (pore size 99.95 % for SIFSIX‐17‐Ni) from a ternary equimolar mixture of ethylene, acetylene and CO2 thanks to coadsorption of the latter two gases. We attribute this performance to the very different binding sites in MFSIX‐17‐Ni versus SIFSIX‐3‐Zn. Hybrid ult...

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Published in:Angewandte Chemie (International ed.) 2021-05, Vol.60 (19), p.10902-10909
Main Authors: Mukherjee, Soumya, Kumar, Naveen, Bezrukov, Andrey A., Tan, Kui, Pham, Tony, Forrest, Katherine A., Oyekan, Kolade A., Qazvini, Omid T., Madden, David G., Space, Brian, Zaworotko, Michael J.
Format: Article
Language:English
Subjects:
Acetylene
Affinity
Binding sites
Carbon dioxide
Carbon sequestration
coordination networks
crystal engineering
Ethylene
ethylene purification
INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
physisorption
Polymers
Pore size
porous materials
Pyrazine
Selectivity
Titanium
Zinc
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Summary:Pyrazine‐linked hybrid ultramicroporous (pore size 99.95 % for SIFSIX‐17‐Ni) from a ternary equimolar mixture of ethylene, acetylene and CO2 thanks to coadsorption of the latter two gases. We attribute this performance to the very different binding sites in MFSIX‐17‐Ni versus SIFSIX‐3‐Zn. Hybrid ultramicroporous materials in which aminopyrazine ligands substitute pyrazine ligands are the first physisorbents that enable polymer‐grade (>99.95 %) ethylene production from ternary C2‐CO2 gas mixtures under ambient conditions thanks to coadsorption of both C2H2 and CO2.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.202100240