2024-03-28T17:06:33Zhttps://uvadoc.uva.es/oai/requestoai:uvadoc.uva.es:10324/332022021-06-24T07:46:39Zcom_10324_31661com_10324_952com_10324_894com_10324_1173com_10324_931col_10324_31662col_10324_1371
Román González, Daniel
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500
Moro, Alberto
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500
Burgoa, Fernando
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Pérez, Eduardo
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Nieto Márquez, Antonio
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Martín Martínez, Ángel
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0000-0002-2824-2496
Bermejo Roda, Maria Dolores
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0000-0002-1693-2895
2018-12-03T08:40:25Z
2018-12-03T08:40:25Z
2018
The Journal of Supercritical Fluids, 2018, Volume 140, Pages 320-328
0896-8446
http://uvadoc.uva.es/handle/10324/33202
https://doi.org/10.1016/j.supflu.2018.07.003
Producción Científica
Hydrothermal CO2 reduction using Zn as reductant was investigated. This process has the advantage of avoiding the use of hydrogen with all its safety and environmental concerns, and allows an easy integration with CO2 capture as NaHCO3. In this work, this reaction was studied in batch reactors at temperatures from 275 to 325 °C. Conversions up to 60% were obtained with 100% selectivity towards formic acid, at reaction times between 10 and 180 min. A mathematical model correlated with data from literature was developed and is able to correctly predict both experimental and literature data with an averaged error of 3.5%. Main variables of the process were analyzed: temperature, Zn/HCO3− ratio, heating rate, Zn particle size, pressure, etc. The optimum reaction conditions found were 300 °C with a rapid heating, and particle sizes of 10 μm. Zn excess dramatically improves the yield, but a lower excess can be compensated at high pressures.
Ministerio de Economía, Industria y Competitividad (Project ENE2014-53459-R)
application/pdf
eng
Elsevier
info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0/
Attribution-NonCommercial-NoDerivatives 4.0 International
Reducción de CO2
Hidrotermal
Zinc
Ácido fórmico
CO2 reduction
Hydrothermal
Formic acid
Hydrothermal CO2 conversion using zinc as reductant: Batch reaction, modeling and parametric analysis of the process
info:eu-repo/semantics/article
https://www.sciencedirect.com/science/article/pii/S089684461830319X
SI
ORIGINAL
Hydrothermal-CO2-Roman-Preprint-2018.pdf
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2021-06-24 09:46:39.938
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