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September 10, 2025Angewandte Chemie

Cage Engineering in Anion‐Pillared MOFs for Benchmark One‐Step C2H4 Purification from Ternary C2H2/CO2/C2H4 Mixtures

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Authors

LWLingyao WangHCHuirong ChenCLChun Lou

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Overview

Cage engineering demonstrates improved C2H4 purification in anion-pillared frameworks, suggesting effective separation strategies.

Key Points

  • ZNU-27 achieves over 170 cm3 g−1 C2H2 adsorption, maximizing ethylene recovery from ternary mixtures.
  • The IAST selectivity of ZNU-27 for CO2/C2H4 is significantly higher than ZNU-17, improving separation efficiency.
  • Dynamic breakthrough tests of ZNU-27 yield polymer-grade C2H4 (≥99.99%), indicating high operational productivity.
  • Unique spherical cages in ZNU-27 enhance binding interactions, leading to effective simultaneous capture of C2H2 and CO2.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/68c1ad5554b1d3bfb60e51efhttps://doi.org/10.1002/ange.202514808
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