Journal ArticleDOI
Guide to CO2 Separations in Imidazolium-Based Room-Temperature Ionic Liquids
Jason E. Bara,Trevor K. Carlisle,Christopher J. Gabriel,Dean Camper,Alexia Finotello,Douglas L. Gin,Richard D. Noble +6 more
TLDR
In this paper, the authors used regular solution theory and group contributions to predict and explain CO2 solubility and selectivity in room-temperature ionic liquids (RTILs).Abstract:
Room-temperature ionic liquids (RTILs) are nonvolatile, tunable solvents that have generated significant interest across a wide variety of engineering applications. The use of RTILs as media for CO2 separations appears especially promising, with imidazolium-based salts at the center of this research effort. The solubilities of gases, particularly CO2, N2, and CH4, have been studied in a number of RTILs. Process temperature and the chemical structures of the cation and anion have significant impacts on gas solubility and gas pair selectivity. Models based on regular solution theory and group contributions are useful to predict and explain CO2 solubility and selectivity in imidazolium-based RTILs. In addition to their role as a physical solvent, RTILs might also be used in supported ionic liquid membranes (SILMs) as a highly permeable and selective transport medium. Performance data for SILMs indicates that they exhibit large permeabilities as well as CO2/N2 selectivities that outperform many polymer membra...read more
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Journal ArticleDOI
Carbon capture and storage (CCS): the way forward
Mai Bui,Claire S. Adjiman,André Bardow,Edward J. Anthony,Andy Boston,Solomon Brown,Paul S. Fennell,Sabine Fuss,Amparo Galindo,Leigh A. Hackett,Jason P. Hallett,Howard J. Herzog,George Jackson,Jasmin Kemper,Samuel Krevor,Geoffrey C. Maitland,Michael Matuszewski,Ian S. Metcalfe,Camille Petit,Graeme Puxty,Jeffrey A. Reimer,David Reiner,Edward S. Rubin,Stuart A. Scott,Nilay Shah,Berend Smit,Berend Smit,J. P. Martin Trusler,Paul A. Webley,Jennifer Wilcox,Niall Mac Dowell +30 more
TL;DR: In this article, the authors review the current state-of-the-art of CO2 capture, transport, utilisation and storage from a multi-scale perspective, moving from the global to molecular scales.
Journal ArticleDOI
Carbon capture and storage update
Matthew E. Boot-Handford,Juan Carlos Abanades,Edward J. Anthony,Martin J. Blunt,Stefano Brandani,Niall Mac Dowell,J.R. Fernández,Maria-Chiara Ferrari,Robert Gross,Jason P. Hallett,R. Stuart Haszeldine,Philip Heptonstall,Anders Lyngfelt,Zen Makuch,Enzo Mangano,Richard T.J. Porter,Mohamed Pourkashanian,Gary T. Rochelle,Nilay Shah,Joseph G. Yao,Paul S. Fennell +20 more
TL;DR: In this article, the authors review the leading CO2 capture technologies, available in the short and long term, and their technological maturity, before discussing CO2 transport and storage, as well as the economic and legal aspects of CCS.
Journal ArticleDOI
An overview of CO2 capture technologies
Niall MacDowell,Nick Florin,Antoine Buchard,Jason P. Hallett,Amparo Galindo,George Jackson,Claire S. Adjiman,Charlotte K. Williams,Nilay Shah,Paul S. Fennell +9 more
TL;DR: Three of the leading options for large scale CO2 capture are reviewed from a technical perspective, including solvent-based chemisorption techniques, carbonate looping technology, and the so-called oxyfuel process.
Journal ArticleDOI
State-of-the-Art of CO2 Capture with Ionic Liquids
TL;DR: In this article, the authors provide a detailed overview of the achievements and difficulties that has been encountered in finding a suitable ionic liquid for CO2 capture from flue-gas streams.
References
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Journal ArticleDOI
The upper bound revisited
TL;DR: The empirical upper bound relationship for membrane separation of gases initially published in 1991 has been reviewed with the myriad of data now presently available as mentioned in this paper, which indicates a different solubility selectivity relationship for perfluorinated polymers compared to hydrocarbon/aromatic polymers.
Journal ArticleDOI
Hydrophobic, Highly Conductive Ambient-Temperature Molten Salts
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TL;DR: New, hydrophobic ionic liquids with low melting points (<−30 °C to ambient temperature) have been synthesized and investigated, based on 1,3-dialkyl imidazolium cations and hydrophilic anions and thus water-soluble.
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Correlation of separation factor versus permeability for polymeric membranes
TL;DR: In this paper, an analysis of the literature data for binary gas mixtures from the list of He, H2, O2, N2, CH4, and CO2 reveals an upper bound relationship for these mixtures.
Journal ArticleDOI
The solution-diffusion model: a review
TL;DR: In this paper, the authors derived the phenomenological equations for transport in these processes using the solution-diffusion model and starting from the fundamental statement that flux is proportional to a gradient in chemical potential.
Journal ArticleDOI
Advances in CO2 capture technology—The U.S. Department of Energy's Carbon Sequestration Program ☆
TL;DR: The current status of the development of CO2 capture technology is discussed in this article, where a wide variety of separation techniques are being pursued, including gas phase separation, absorption into a liquid, and adsorption on a solid, as well as hybrid processes, such as adhesions/membrane systems.