Microfluidic separation of a soluble substance using transverse diffusion in a layered flow

Xuan Don Nguyen, Hyeong Jin Jeon, Hyo Yong Kim, Hyun Jong Paik, June Huh, Hyung Hoon Kim, Jeung Sang Go

Research output: Contribution to journalArticle

Abstract

This paper presents a practical flow-through method to separate anisole and ethyl phenylacetate, respectively, from a polystyrene mixture. The microfluidic separation uses different diffusive dynamics of the substances transverse to the lamination flow formed in a microchannel. The effect of inlet flow rates and ambient temperature on separation is examined. Additionally, the possibility of the separation of the light substance from the mixture with different molecular weight is shown numerically and experimentally. The separation efficiency is explained by the facts that the relaxation time depends on the inlet flow rate and that the diffusivity depends on the ambient temperature. This method can be applied to separate monomers from aggregates.

Original languageEnglish
Article number9
JournalMicromachines
Volume8
Issue number1
DOIs
Publication statusPublished - 2017 Jan 1

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Microfluidics
Inlet flow
Flow rate
Microchannels
Relaxation time
Polystyrenes
Monomers
Molecular weight
Temperature

Keywords

  • Layered flow
  • Microfluidic
  • Polymers
  • Separation
  • Transverse diffusion

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Nguyen, X. D., Jeon, H. J., Kim, H. Y., Paik, H. J., Huh, J., Kim, H. H., & Go, J. S. (2017). Microfluidic separation of a soluble substance using transverse diffusion in a layered flow. Micromachines, 8(1), [9]. https://doi.org/10.3390/mi8010009

Microfluidic separation of a soluble substance using transverse diffusion in a layered flow. / Nguyen, Xuan Don; Jeon, Hyeong Jin; Kim, Hyo Yong; Paik, Hyun Jong; Huh, June; Kim, Hyung Hoon; Go, Jeung Sang.

In: Micromachines, Vol. 8, No. 1, 9, 01.01.2017.

Research output: Contribution to journalArticle

Nguyen, Xuan Don ; Jeon, Hyeong Jin ; Kim, Hyo Yong ; Paik, Hyun Jong ; Huh, June ; Kim, Hyung Hoon ; Go, Jeung Sang. / Microfluidic separation of a soluble substance using transverse diffusion in a layered flow. In: Micromachines. 2017 ; Vol. 8, No. 1.
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