biostudies-literatureLiu JNatural Science Foundation of Jiangxi ProvinceNatural Science Foundation of Jiangxi Province (Jiangxi Province Natural Science Foundation)National Natural Science Foundation of ChinaNational Natural Science Foundation of China (National Science Foundation of China)2222https://www.ebi.ac.uk/biostudies/studies/S-EPMC10933363biostudies-literatureUnknown15(1)Iso-butene (iso-C₄H₈) is an important raw material in chemical industry, whereas its efficient separation remains challenging due to similar molecular properties of C₄ olefins. The ideal adsorbent should possess simultaneous high uptakes for 1,3-butadiene (C₄H₆) and n-butene (n-C₄H₈) counterparts, endowing high efficiency for iso-C₄H₈ separation in adsorption columns. Herein, a sulfate-pillared adsorbent, SOFOUR-DPDS-Ni (DPDS = 4,4'-dipyridyldisulfide), is reported for the efficient iso-C₄H₈ separation from binary and ternary C₄ olefin mixtures. The rigidity in pore sizes and shapes of SOFOUR-DPDS-Ni exerts the molecular sieving of iso-C₄H<sub>8</suNature communicationsMolecular sieving of iso-butene from C₄ olefins with simultaneous high 1,3-butadiene and n-butene uptakes.PMC1093336320224ACB204003222680292216802322322807Peng YDeng SLiu JChen JZeng ZShuai HZhao ZWang JWang LZhou ZLiu XWang PDeng ZChen SXiong HfalseMolecular sieving of iso-butene from C₄ olefins with simultaneous high 1,3-butadiene and n-butene uptakes.Iso-butene (iso-C₄H₈) is an important raw material in chemical industry, whereas its efficient separation remains challenging due to similar molecular properties of C₄ olefins. The ideal adsorbent should possess simultaneous high uptakes for 1,3-butadiene (C₄H₆) and n-butene (n-C₄H₈) counterparts, endowing high efficiency for iso-C₄H₈ separation in adsorption columns. Herein, a sulfate-pillared adsorbent, SOFOUR-DPDS-Ni (DPDS = 4,4'-dipyridyldisulfide), is reported for the efficient iso-C₄H₈ separation from binary and ternary C₄ olefin mixtures. The rigidity in pore sizes and shapes of SOFOUR-DPDS-Ni exerts the molecular sieving of iso-C₄H<sub>8</su2024-01-01T00:00:00Z2024 Mar2026-07-14T22:09:36.95Z2024-12-04T10:53:05.717ZS-EPMC109333633847225710.1038/s41467-024-46607-y