Journal
ARABIAN JOURNAL OF CHEMISTRY
Volume 15, Issue 12, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.arabjc.2022.104314
Keywords
Nanofluid; Multi-wall carbon nanotubes; Absorption; Correlation; CO 2
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A single bubble absorption column was used to investigate the hydrodynamic effect on the absorption of CO2 and H2S using water-based nanofluids dispersed with multiwall carbon nanotubes. The study found that the NH2MWCNTs /nanofluid with a 0.5 wt% content achieved the highest absorption of CO2 and H2S.
A single bubble absorption column was used to examine the effect of hydrodynamic on carbon dioxide (CO2) and hydrogen sulfide (H2S) absorption in pure water and water-based nanofluids dispersed with neat, and OH and NH2 functionalized multiwall carbon nanotubes (MWCNTs). Sodium dodecyl sulfate (SDS) was used as a surfactant and stabilizer. The maximum absorption of CO2 and H2S were found to be 0.0038 mmol/m2.s and 0.056 mmol/m2.s using NH2MWCNTs /nanofluid with 0.5 wt% content, respectively. The diffusion coefficients of gases into the nanofluids were computed by using an equation attained based on Dankwert's theory. A last, an empirical correlation was proposed to determine the Sherwood number for the absorption of the aforementioned gases into the nanofluids.(c) 2022 The Author(s). Published by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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