Rationally designed tetrahedral-configuration-matching methane trap in a metal–organic framework for efficient CH ₄ /N ₂ separation

January 1, 2026Chemical ScienceOpen Access

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Key Points

This research aims to develop a methane trap within a metal-organic framework to improve separation efficiency from nitrogen.
Designed and synthesized a tetrahedral-configuration-matching metal-organic framework.
Assessed working capacity in humid environments and evaluated thermal stability.
Conducted scaling analysis for industrial application feasibility.
TUTJ-3Ni demonstrated the highest working capacity among reported adsorbents in humid conditions.
Exhibited excellent thermal and moisture stability, suitable for practical applications.
Scaling potential indicates promise for use in industrial methane/nitrogen separation processes.

Rationally designed tetrahedral methane trap enhances CH4/N2 separation efficiency, indicating industrial potential.

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Wang et al. (2026) studied this question.

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