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Jiang, P., Zhao, G., Zhang, H., Ji, T., Mu, L., Lu, X., et al. (2024) Towards Carbon Neutrality of Calcium Carbide-Based Acetylene Production with Sustainable Biomass Resources. Green Energy & Environment, 9, 1068-1078. https://doi.org/10.1016/j.gee.2022.12.004

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• TITLE: Allyl-Functionalized ZrT-1 for C2H2/CO2 Separation

  AUTHORS: Xueying Feng, Weidong Fan, Yukun Lu

  KEYWORDS: Metal Organic Cages, C2H2/CO2 Separation

  JOURNAL NAME: Journal of Materials Science and Chemical Engineering, Vol.14 No.7, July 30, 2026

  ABSTRACT: To optimize the separation performance of Metal-Organic Cages (MOCs) for C2H2/CO2 , this study adopted ligand functionalization as the core strategy to regulate pore structure. An allyl-functionalized terephthalic acid ligand was designed and synthesized, which was then used to construct ZrT-1-allyl. The ZrT-1-allyl maintains the same framework structure as ZrT-1. The introduction of the allyl group regulates the pore size, optimizes the pore microenvironment, and thereby achieves the selective adsorption of C2H2. The test results show that ZrT-1-allyl exhibits excellent adsorption affinity for C2H2. At 298 K and 1 bar, its C2H2 adsorption capacity (42.54 cm3/g) is significantly improved, and both the separation selectivity and dynamic separation duration for C2H2/CO2 (24min/g) are superior to those of the parent ZrT-1 material. This study confirms that allyl functionalization is an effective method to regulate the pore structure and adsorption performance of ZrT-1, providing new ideas and experimental basis for the design of high-performance MOCs materials for C2H2/CO2 separation.