Abstract
We provide a perspective on the development of direct air capture (DAC) as a leading candidate for implementing negative emissions technology (NET). We introduce DAC based on sorption, both liquid and solid, and draw attention to challenges that these technologies will face. We provide an analysis of the limiting mass transfer in the liquid and solid systems and highlight the differences.
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Acknowledgement
MJR partially supported by ARPA-E under award DE-21AR000008. RPL and CWJ supported as part of the Center for Understanding and Control of Acid Gas-Induced Evolution of Materials for Energy (UNCAGE-ME), an Energy Frontier Research Center funded by the U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES), under award # DESC0012577.
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Professor Matthew J. Realff
Professor Realff is the David Wang Senior Faculty Fellow in the School of Chemical and Biomolecular Engineering at Georgia Tech. He has fostered multidisciplinary research efforts at Georgia Tech through leadership positions in the Strategic Energy Institute and Renewable Bioproducts Institute.
Professor Realff received his Master’s degree in Chemical Engineering from Imperial College London and his Ph.D. from MIT in the area of process systems engineering. He has been a faculty member at Georgia Tech since 1993 and was an NSF program director 2005-2007 where he led initiatives in Resilient and Sustainable systems.
Professor Realff has served as a board member of GreenBlue since 2007 which is the parent non-profit for the Sustainable Packaging Coalition a multi-stakeholder organization with over 500 members dedicated to improving packaging sustainability. He is the founding editor-in-chief of the new Journal of Advanced Manufacturing and Processing part of the AIChE Journal family. He has recently been elected a Fellow of the AIChE.
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Realff, M.J., Min, Y.J., Jones, C.W. et al. Perspective - the need and prospects for negative emission technologies - direct air capture through the lens of current sorption process development. Korean J. Chem. Eng. 38, 2375–2380 (2021). https://doi.org/10.1007/s11814-021-0957-3
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DOI: https://doi.org/10.1007/s11814-021-0957-3