Volume 41, Issue 2 pp. 367-378
Research Article

Experimental and Numerical Investigation of CO2 Absorption Using Nanofluids in a Hollow-Fiber Membrane Contactor

Majid Ansaripour

Majid Ansaripour

Isfahan University of Technology, Department of Chemical Engineering, 84156-83111 Isfahan, Iran

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Masoud Haghshenasfard

Corresponding Author

Masoud Haghshenasfard

Isfahan University of Technology, Department of Chemical Engineering, 84156-83111 Isfahan, Iran

Correspondence: Masoud Haghshenasfard ([email protected]), Department of Chemical Engineering, Isfahan University of Technology, 84156-83111 Isfahan, Iran.Search for more papers by this author
Ahmad Moheb

Ahmad Moheb

Isfahan University of Technology, Department of Chemical Engineering, 84156-83111 Isfahan, Iran

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First published: 30 November 2017
Citations: 30

Abstract

To remove CO2 from N2/CO2 gas mixtures, α-Al2O3/water and γ-Al2O3/water nanofluids have been used in a dialysis nanoporous hollow-fiber membrane contactor. The mass transfer coefficient, CO2 removal efficiency, and CO2 concentration profile were determined under different operating conditions. The results showed that the addition of α-Al2O3 and γ-Al2O3 nanoparticles to the solvent increased the mass transfer rate, and by raising the nanofluid concentration, the removal efficiency enhanced. The process was simulated by means of computational fluid dynamics (CFD) method. The good agreement between CFD predictions and experimental results indicates that the CFD is a reliable tool for optimization of the process.

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