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Review on Carbon Dioxide Mineralization in Mafic/Ultramafic Rocks: From Fundamentals to Field Applications
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DOI：10.1021/acs.energyfuels.5c04200.png)
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Abstract
En 中文
Preventing the escalating expulsion of carbon dioxide (CO2) into the atmosphere requires effective carbon sequestration strategies. Mineral carbonation (MC) utilizing mafic–ultramafic rocks is a notable technique that ensures long-term CO2 sequestration. This article presents the core geochemical dissolution and precipitation reactions, analyzing the existing insights as well as advances in upscaling lab outcomes into real–world applications. Ex situ, in situ, and enhanced rock weathering (ERW) MC techniques have been evaluated, along with the significance of governing parameters controlling mineralization performance, such as thermal conditions, CO2 partial pressure (pCO2), grain size, and the rock’s chemical composition. Moreover, demonstration projects such as the CarbFix pilot project, the Wallula basalt project, and peridotite-based initiatives, with respect to their operational constraints, kinetic barriers, and technological advancements, have been detailed. The assessment of environmental sustainability, financial feasibility, and adverse effects associated with the use of industrial by-products, carbon pricing schemes, and resource recycling strategies has also been discussed. This review also demonstrates the effectiveness of MC as a credible, consistent, and climate-resilient strategy through the integration of fundamental geochemical reactions to field-scale implementations. Future research should emphasize enhancing reaction kinetics through advanced mechanistic understanding guided by high-resolution microscopy, in situ spectroscopy, and AI-driven reactive transport modeling.
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5.3
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2.5K
Citations:
7.5W
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