Issue 10, 2023

A roadmap for achieving scalable, safe, and low-cost direct air carbon capture and storage

Abstract

Direct air carbon capture and storage (DACCS) involves a set of approaches for capturing CO2 directly from the air and its subsequent long-term storage. DACCS is at an early stage of technical development and currently faces a variety of challenges, including high cost and energy requirements. Building on publicly available data, this paper provides: (i) an overview and classification of DACCS systems, (ii) a harmonization of technical and economic performance of direct air capture technologies, (iii) a comprehensive list of technical- and infrastructure-based obstacles to scaling DACCS systems, and (iv) a roadmap and list of priority initiatives for research, development, demonstration, and deployment of DACCS. Our intent is to drive progress against high-impact priority actions, with a focus on accelerating research, development, and deployment of safe, scalable, and low cost DACCS as a component of the broader carbon dioxide removal portfolio.

Graphical abstract: A roadmap for achieving scalable, safe, and low-cost direct air carbon capture and storage

Supplementary files

Article information

Article type
Perspective
Submitted
30 Mar 2023
Accepted
14 Jul 2023
First published
19 Jul 2023
This article is Open Access
Creative Commons BY license

Energy Environ. Sci., 2023,16, 4280-4304

A roadmap for achieving scalable, safe, and low-cost direct air carbon capture and storage

L. Küng, S. Aeschlimann, C. Charalambous, F. McIlwaine, J. Young, N. Shannon, K. Strassel, C. N. Maesano, R. Kahsar, D. Pike, M. van der Spek and S. Garcia, Energy Environ. Sci., 2023, 16, 4280 DOI: 10.1039/D3EE01008B

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