CO2 absorption enhancement by Al2O3 nanoparticles in NaCl aqueous solution

Jae Won Lee; Yong Tae Kang

doi:10.1016/j.energy.2013.02.047

CO₂ absorption enhancement by Al₂O₃ nanoparticles in NaCl aqueous solution

Jae Won Lee, Yong Tae Kang

Research output: Contribution to journal › Article › peer-review

101 Citations (Scopus)

Abstract

In this study, Al₂O₃ nanoparticles and NaCl aqueous solution are combined into Al₂O₃/NaCl aqueous solution nanofluids to enhance the CO₂ absorption of the base fluid (NaCl aqueous solution). The absorption experiments are carried out in the bubble type absorber system. The particle concentration ranges from 0.005 to 0.1 vol%. It is found that the optimum concentration of Al₂O₃ nanoparticles is 0.01 vol% in the NaCl aqueous solution-based nanofluids and then CO₂ solubility is enhanced to 11.0%, 12.5% and 8.7% for Al₂O₃/NaCl aqueous solution at 30 °C, 20 °C and 10 °C, respectively. It is concluded that the effect of nanoparticles on the mass transfer enhancement is more significant in the region of unsaturated state than that of the saturated state.

Original language	English
Pages (from-to)	206-211
Number of pages	6
Journal	Energy
Volume	53
DOIs	https://doi.org/10.1016/j.energy.2013.02.047
Publication status	Published - 2013 May 1
Externally published	Yes

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation (NRF) grant (No. 2010-0029120 ) funded by Korean Government (MEST).

Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.

Keywords

NaCl solution
Solubility

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
Pollution
Mechanical Engineering
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

Access to Document

10.1016/j.energy.2013.02.047

Cite this

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title = "CO2 absorption enhancement by Al2O3 nanoparticles in NaCl aqueous solution",

abstract = "In this study, Al2O3 nanoparticles and NaCl aqueous solution are combined into Al2O3/NaCl aqueous solution nanofluids to enhance the CO2 absorption of the base fluid (NaCl aqueous solution). The absorption experiments are carried out in the bubble type absorber system. The particle concentration ranges from 0.005 to 0.1 vol%. It is found that the optimum concentration of Al2O3 nanoparticles is 0.01 vol% in the NaCl aqueous solution-based nanofluids and then CO2 solubility is enhanced to 11.0%, 12.5% and 8.7% for Al2O3/NaCl aqueous solution at 30 °C, 20 °C and 10 °C, respectively. It is concluded that the effect of nanoparticles on the mass transfer enhancement is more significant in the region of unsaturated state than that of the saturated state.",

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author = "Lee, {Jae Won} and Kang, {Yong Tae}",

note = "Funding Information: This work was supported by the National Research Foundation (NRF) grant (No. 2010-0029120 ) funded by Korean Government (MEST). Copyright: Copyright 2017 Elsevier B.V., All rights reserved.",

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N2 - In this study, Al2O3 nanoparticles and NaCl aqueous solution are combined into Al2O3/NaCl aqueous solution nanofluids to enhance the CO2 absorption of the base fluid (NaCl aqueous solution). The absorption experiments are carried out in the bubble type absorber system. The particle concentration ranges from 0.005 to 0.1 vol%. It is found that the optimum concentration of Al2O3 nanoparticles is 0.01 vol% in the NaCl aqueous solution-based nanofluids and then CO2 solubility is enhanced to 11.0%, 12.5% and 8.7% for Al2O3/NaCl aqueous solution at 30 °C, 20 °C and 10 °C, respectively. It is concluded that the effect of nanoparticles on the mass transfer enhancement is more significant in the region of unsaturated state than that of the saturated state.

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