{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Akashige T"],"funding":["NCRR NIH HHS"],"pagination":["2171-2179"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11620280"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["9(8)"],"pubmed_abstract":["Olefin-paraffin separation is a critical yet energy-intensive process in the chemical industry, accounting for over 250 trillion BTU/year of global energy consumption. This work explores the use of redox-active nickel maleonitriledithiolate complex for olefin-paraffin separations. Key performance factors, namely the electrochemical oxidation of the complex and the olefin capture utilization fraction, were systematically quantified. Electrochemical studies revealed near-complete oxidation of Ni(II) to Ni(IV) species, suggesting that the electrochemical oxidation step is not a limiting factor in olefin capture. The utilization fraction was found to be strongly dependent on the complexation equilibrium behavior between olefin-bound and unbound state of the complex. Time-resolved kinetic measurements unveiled a sluggish complexation rate, requiring over 36 hours to approach equilibrium. These insights highlight the importance of driving the complexation equilibrium and improving the kinetics to enhance the performance of Ni-based electrochemical swing absorbers for energy-efficient olefin-paraffin separations. The findings lay the groundwork for future optimization strategies and industrial implementation of this sustainable separation technology."],"journal":["Reaction chemistry & engineering"],"pubmed_title":["Understanding Electrochemically Induced Olefin Complexation: Towards Electrochemical Olefin-Paraffin Separations."],"pmcid":["PMC11620280"],"funding_grant_id":["C06 RR016572"],"pubmed_authors":["Vemuri R","Akashige T","Blanco CAU","Modestino MA"],"additional_accession":[]},"is_claimable":false,"name":"Understanding Electrochemically Induced Olefin Complexation: Towards Electrochemical Olefin-Paraffin Separations.","description":"Olefin-paraffin separation is a critical yet energy-intensive process in the chemical industry, accounting for over 250 trillion BTU/year of global energy consumption. This work explores the use of redox-active nickel maleonitriledithiolate complex for olefin-paraffin separations. Key performance factors, namely the electrochemical oxidation of the complex and the olefin capture utilization fraction, were systematically quantified. Electrochemical studies revealed near-complete oxidation of Ni(II) to Ni(IV) species, suggesting that the electrochemical oxidation step is not a limiting factor in olefin capture. The utilization fraction was found to be strongly dependent on the complexation equilibrium behavior between olefin-bound and unbound state of the complex. Time-resolved kinetic measurements unveiled a sluggish complexation rate, requiring over 36 hours to approach equilibrium. These insights highlight the importance of driving the complexation equilibrium and improving the kinetics to enhance the performance of Ni-based electrochemical swing absorbers for energy-efficient olefin-paraffin separations. The findings lay the groundwork for future optimization strategies and industrial implementation of this sustainable separation technology.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Aug","modification":"2026-03-18T13:27:06.451Z","creation":"2025-08-18T09:54:14.509Z"},"accession":"S-EPMC11620280","cross_references":{"pubmed":["39650336"],"doi":["10.1039/d4re00145a"]}}