Rearrangement of hollow fibers for enhancing oxygen transfer in an artificial gill using oxygen carrier solution

Kenichi Nagase, Fukashi Kohori, Kiyotaka Sakai, Hiroyuki Nishide

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Using the derived mass transfer correlations for hollow fibers, hollow fiber arrangements were optimized for an artificial gill that uses an oxygen carrier solution. FC-40, a perfluorocarbon (PFC), was used as the oxygen carrier solution. In the oxygen uptake module, a hollow fiber arrangement with parallel coiled hollow fibers is preferred. The optimum outside diameter of the hollow fibers and the transverse pitch between them are 300 and 500 μm, respectively. In the oxygen release module, a hollow fiber arrangement of straight parallel hollow fibers is preferred. The optimum outside diameter of the hollow fibers and transverse pitch between them are 300 and 500 μm, respectively. In the case of humans, the scaling up was estimated from the oxygen transfer rates using these optimum hollow fiber arrangements. The required total membrane surface area is 50.8 m2, the total delivered pumping energy is 124 W, and the oxygen partial pressure in inspiration is 17.8 kPa. Importantly, the total membrane surface area required was significantly reduced using the modules with an optimum hollow fiber arrangement in comparison with that using connected membrane oxygenators as a gas exchanger. The optimization of hollow fiber arrangements in an artificial gill significantly enhances oxygen transfer from water to air.

Original languageEnglish
Pages (from-to)207-217
Number of pages11
JournalJournal of Membrane Science
Volume254
Issue number1-2
DOIs
Publication statusPublished - 2005 Jun 1

Fingerprint

hollow
Oxygen
fibers
Fibers
oxygen
modules
Membrane Oxygenators
Fluorocarbons
membranes
Membranes
Partial Pressure
Oxygenators
inspiration
exchangers
Gases
Air
Partial pressure
Water
mass transfer
partial pressure

Keywords

  • Artificial gill
  • Fiber membranes
  • Gas separation
  • Modules
  • Oxygen transfer

ASJC Scopus subject areas

  • Filtration and Separation
  • Polymers and Plastics

Cite this

Rearrangement of hollow fibers for enhancing oxygen transfer in an artificial gill using oxygen carrier solution. / Nagase, Kenichi; Kohori, Fukashi; Sakai, Kiyotaka; Nishide, Hiroyuki.

In: Journal of Membrane Science, Vol. 254, No. 1-2, 01.06.2005, p. 207-217.

Research output: Contribution to journalArticle

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