Questioning the catalytic effect of Ni nanoparticles on CO2 hydration and the very need of such catalysis for CO2 capture by mineralization from aqueous solution
journal contribution
posted on 2017-10-31, 09:18 authored by J.J. Ramsden, Ilya SokolovIlya Sokolov, Danish MalikDanish Malik© 2017 Elsevier Ltd Recent publications claimed a significant catalytic effect of nickel nanoparticles on the hydration of CO 2 to carbonic acid. Others have claimed that such catalysis can significantly accelerate the overall process of CO 2 capture by mineralization to CaCO 3 from aqueous solution. Having repeated the experiments as closely as possible, we observed no catalytic effect of Ni nanoparticles. Numerical modelling revealed that hydration is not the slowest reaction in the chain ending with mineralization; hence its catalysis cannot have a significant effect on CaCO 3 formation.
Funding
This work was supported by the financial support of VN Carbon Capture (Gas & Coal) Ltd, London.
History
School
- Aeronautical, Automotive, Chemical and Materials Engineering
Department
- Chemical Engineering
Published in
Chemical Engineering ScienceVolume
175Pages
162 - 167Citation
RAMSDEN, J.J., SOKOLOV, I.J. and MALIK, D.J., 2018. Questioning the catalytic effect of Ni nanoparticles on CO2 hydration and the very need of such catalysis for CO2 capture by mineralization from aqueous solution. Chemical Engineering Science, 175, pp. 162-167.Publisher
© ElsevierVersion
- AM (Accepted Manuscript)
Publisher statement
This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/Acceptance date
2017-09-20Publication date
2018Notes
This paper was published in the journal Chemical Engineering Science and the definitive published version is available at https://doi.org/10.1016/j.ces.2017.09.042.ISSN
0009-2509Publisher version
Language
- en
