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Significance Global warming mitigation and energy transition require effective CO2 emission reduction and enhanced supply of critical metals. Carbon mineralization and concurrent critical metal recovery using a metal-complexing ligand offer… Click to show full abstract
Significance Global warming mitigation and energy transition require effective CO2 emission reduction and enhanced supply of critical metals. Carbon mineralization and concurrent critical metal recovery using a metal-complexing ligand offer a significant opportunity to simultaneously achieve both objectives for sustainable development. The utilization of ex situ direct aqueous mineral carbonation can potentially make the CO2 mineralization process economically feasible owing to the value of nickel and cobalt recovered and comprehensive usage of mineral resources to sequester carbon and realize carbon credits. The success of high carbon mineralization efficiency and highly selective metal extraction in one step makes the accelerated mineral carbonation applicable. Nickel recovery from olivine silicate minerals can increase global metal production and expand the reserves of explorable nickel resources.
Journal Title: Proceedings of the National Academy of Sciences of the United States of America
Year Published: 2022
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