Separation Characteristics of Dissolved Gases from Water Using a Polypropylene Hollow Fiber Membrane Module with High Surface Area

Authors: Pil Woo Heo, In Sub Park

Abstract:

A polypropylene hollow fiber membrane module is used for separating dissolved gases which contain dissolved oxygen from water. These dissolved gases can be used for underwater breathing. To be used for a human, the minimum amount of oxygen is essential. To increase separation of dissolved gases, much water and high surface area of hollow fibers are requested. For efficient separation system, performance of single membrane module with high surface area needs to be investigated.

In this study, we set up experimental devices for analyzing separation characteristics of dissolved gases including oxygen from water using a polypropylene hollow fiber membrane module. Separation of dissolved gases from water is investigated with variations of water flow rates. Composition of dissolved gases is also measured using GC. These results expect to be used in developing the portable separation system.

Keywords: High surface area, breathing, vacuum, composition.

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1093982

References:

[1] J. Shano, H. Liu, and Y. He, "Boiler feed water deoxygenation using hollow fiber membrane contactor," Desalination 234, pp. 370-377, 2008.
[2] T. Li, P. Yu, and Y. Luo, "Preparation and properties of hydrophobic poly(vinylidene fluoride)-SiO2 mixed matrix membranes for dissolved oxygen removal from water," J. of Applied Polymer Science, pp. 40430-40437, 2014.
[3] T. Leiknes, and M.J. Semmens, "Vacuum degassing using microporous hollow fiber membranes," Separation and Purification Technology 22-23, pp. 287-294, 2000.
[4] X. Tan, G. Capar, and K. Li, "Analysis of dissolved oxygen removal in hollow fibre membrane modules: effect of water vapor," J. of Membrane Science 251, pp. 111-119, 2005.
[5] D.T. Nguyen, Y.T. Leho, and A.P. Esser-Kahn, "The effect of membrane thickness on a microvascular gas exchange unit," Adv. Funct. Mater. 23, pp. 100-106, 2013.
[6] P.W. Heo, and I.S. Park, "Separation of dissolved gases from water for a portable underwater breathing," WASET 79, pp. 1066-1069, 2013.
[7] H. Haramoio, K. Kokubo, K. Sakai, K. Kuwana, and H. Nakanishi, "An artificial gill system for oxygen uptake from water using perfluorooctylbromide," ASAIO Journal, pp. M803-M807, 1994.
[8] J.A. Potkay, "A simple, closed-form, mathematical model for gas exchange in microchannle artificial lungs," Biomed Microdevices 15, pp. 397-406, 2013.
[9] J.A. Potkay, M. Magnetta, A. Vinson, and B. Cmolik, "Bio-inspired, efficient, artificial lung employing air as ventilating gas," Lab on a chip 11, pp. 2901-2909, 2011.
[10] T. Kniazeva, and J.C. Hsiao, J.L. Charest, and J.T. Borenstein, "Microfluidic respiratory assist device with high gas permeance for artificial lung applications," Biomed Microdevice 13, pp. 315-323, 2011.
[11] I. Ieropoulos, C. Melhuish and J. Greenman, "Artificial gills for robots: MFC behavior in water," Bioinsp. Biomim. 2, S83-S93, 2007.