Two-dimensional modeling of CO2 mineral trapping through the oxalate‑carbonate pathway: Influence of the root system model

Gatz-Miller, Hannah; Gérard, Frédéric; Su, Danyang; Mayer, K. Ulrich

doi:10.1016/j.scitotenv.2023.166280

Science of The Total Environment

2023

DOI: 10.1016/j.scitotenv.2023.166280

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Two-dimensional modeling of CO2 mineral trapping through the oxalate‑carbonate pathway: Influence of the root system model

Hannah Gatz-Miller

Frédéric Gérard

Danyang Su

et al.

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2024

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Cited by 2 publications

References 64 publications

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Growing on calcareous soils and facing climate change

Bontpart,

Weiss,

Vile

et al. 2024

Trends in Plant Science

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Growing on calcareous soils and facing climate change

Bontpart,

Weiss,

Vile

et al. 2024

Trends in Plant Science

Self Cite

View full text Add to dashboard Cite

Proof of Concept for the Organic Electrorefinery Technology with Actual Effluents

Parrilla,

Segundo,

Marchante

et al. 2024

Ind. Eng. Chem. Res.

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This work describes results of a first proof of the concept of electrorefinery with a real waste obtained from a cashew nut factory, and it shows the effect of the current densities of both the anodic oxidation and electrochemically assisted separation processes on the performance of the system. Results obtained demonstrate that electrorefinery is a promising option to minimize the carbon fingerprint, worth studying for increasing the sustainability of the environmental remediation of wastes, because valuable species can be obtained from the destruction of pollutants and recovered within the same integrated process. They also point out that there is still a long way to reach an optimum solution for this technology, but it is worth the effort to be made. Many different carboxylates were detected, but oxalate was the primary product both in the reaction tank and in the recovery tank. The production is almost linear during the electrolysis, with a reaction rate of 23.3 mg C h −1 in the case of oxalate and a separation ration of around 20% in the electrodialysis stage. There is a negligible crossover of aromatic species into the recovery solution, which becomes an important advantage for further processing of the carboxylate solutions in the search to valorize these species in terms of circular economy principles. Energy efficiencies in the range of 0.04−0.21 mg C-carboxylates (Wh) −1 and Coulombic efficiencies in the range 0.92−2.03 mg C-carboxylates (Ah) −1 were obtained in this work. A life cycle assessment indicated carbon dioxide and water footprints as low as 0.31 g of CO 2 mg −1 C and 30 mL of H 2 O mg −1 C recovered in the products obtained, respectively.

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Two-dimensional modeling of CO2 mineral trapping through the oxalate‑carbonate pathway: Influence of the root system model

Cited by 2 publications

References 64 publications

Growing on calcareous soils and facing climate change

Growing on calcareous soils and facing climate change

Proof of Concept for the Organic Electrorefinery Technology with Actual Effluents

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