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Updated: Oct 10, 2025

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Author Spotlight: Standardizing the Development of Amine-Based Silica Composites as CO2 Adsorbents for Direct Air Capture
Published on: September 29, 2023
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Perspective - the need and prospects for negative emission technologies - direct air capture through the lens of
Matthew J Realff1, Youn Ji Min1, Christopher W Jones1
1School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GS 303332-0100 USA.
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.

