Nature Reviews Earth & Environment | VOL. 1
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Carbon dioxide storage through mineral carbonation

Publication Date Jan 20, 2020

Abstract

Carbon capture and storage (CCS) has a fundamental role in achieving the goals of the Paris Agreement to limit anthropogenic warming to 1.5 – 2 °C. Most ongoing CCS projects inject CO2 into sedimentary basins and require an impermeable cap rock to prevent the CO2 from migrating to the surface. Alternatively, captured carbon can be stored through injection into reactive rocks (such as mafic or ultramafic lithologies), provoking CO2 mineralization and, thereby, permanently fixing carbon with negligible risk of return to the atmosphere. Although in situ mineralization offers a large potential volume for carbon storage in formations such as basalts and peridotites (both onshore and offshore), its large-scale implementation remains little explored beyond laboratory-based and field-based experiments. In this Review, we discuss the potential of mineral carbonation to address the global CCS challenge and contribute to long-term reductions in atmospheric CO2. Emphasis is placed on the advances in making this technology more cost-effective and in exploring the limits and global applicability of CO2 mineralization. Carbon capture and storage has a fundamental role in limiting anthropogenic warming to 1.5 – 2 °C. This Review discusses the basis, potential and limitations of in situ mineral carbonation as a carbon capture and storage strategy.

Concepts
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Carbon Capture And Storage
Carbon
Mineral Carbonation
Carbon Capture
Impermeable Cap Rock
Carbon Dioxide Storage
Ultramafic Lithologies
CO2 Mineralization
Reactive Rocks
Atmosphere

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