Remarkably Selective Propylene–Propane Separation Using a Copper Scorpionate. Issue 11 (16th December 2022)

• Record Type: Journal Article
• Authors: Noonikara‐Poyil, Anurag; Cui, Hui; Wang, Bin; Shi, Yanshu; Chen, Banglin; Dias, H. V. Rasika
• Is Part Of: Small. Volume 19:Issue 11(2023)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2022-12-16
• Subjects: copper -- fluorinated ligands -- gas separation -- olefin‐paraffin -- propylene; Nanotechnology -- Periodicals; Nanoparticles -- Periodicals; Microtechnology -- Periodicals; 620.5
• DOI: 10.1002/smll.202206984
• Languages: English
• ISSNs: 1613-6810

Abstract

Abstract: Propylene is a crucial building block to produce many industrial‐scale chemicals including polypropylene. The separation of propylene from propane to reach the high‐purity levels needed for downstream applications is a difficult task due to the close similarities in their physical properties. The olefin/paraffin separation including that involving propylene mainly relies on highly energy‐intensive distillation processes and accounts for nearly 0.3% of the global energy consumption. The utility of a copper complex supported by a fluorinated bis(pyrazolyl)borate is demonstrated to accomplish the separation of propylene from propane repeatedly, under mild conditions with high selectivity. Complete characterization of a rare, copper(I) propylene complex is also reported including the molecular structure. Abstract : Copper(I) complex of a highly fluorinated scorpionate allows the separation of propylene from propane repeatedly, under mild conditions with an exceptional selectivity. The fluorinated ligand also permits the isolation of a rare Cu(I)–propylene adduct for thorough characterization.