Condensation studies in gas permeable membranes

Yuan Fang; P. J. Novak; R. M. Hozalski; E. L. Cussler; M. J. Semmens

doi:10.1016/j.memsci.2003.10.039

Condensation studies in gas permeable membranes

Yuan Fang, P. J. Novak, R. M. Hozalski, E. L. Cussler, M. J. Semmens

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

Membrane gas transfer can be compromised by water condensation during operation. Experiments reported here show that the feed gas is rapidly saturated with water, whose transport is controlled by resistances in the membrane and the gas phase. This gas then becomes supersaturated because of gas dissolution, which is controlled by transport in the liquid phase. The water in the supersaturated gas is not normally transported back into the liquid, but forms droplets on the gas side of the membrane. While this condensation cannot normally be avoided, module design can facilitate condensate removal.

Original language	English (US)
Pages (from-to)	47-55
Number of pages	9
Journal	Journal of Membrane Science
Volume	231
Issue number	1-2
DOIs	https://doi.org/10.1016/j.memsci.2003.10.039
State	Published - Mar 1 2004

Bibliographical note

Funding Information:
This work was primarily supported by the United States Department of Defense’s Strategic Environmental Research and Development Program (CU 1124). Other significant support came from the US Airforce Office of Scientific Research (F49620-01-1-0333), the Department of Energy (FG07-02ER63509) and the Petroleum Research Fund (39083-AC9).

Keywords

Condensation
Gas transfer
Hollow-fiber membranes
Numerical model
Supersaturation

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10.1016/j.memsci.2003.10.039

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title = "Condensation studies in gas permeable membranes",

abstract = "Membrane gas transfer can be compromised by water condensation during operation. Experiments reported here show that the feed gas is rapidly saturated with water, whose transport is controlled by resistances in the membrane and the gas phase. This gas then becomes supersaturated because of gas dissolution, which is controlled by transport in the liquid phase. The water in the supersaturated gas is not normally transported back into the liquid, but forms droplets on the gas side of the membrane. While this condensation cannot normally be avoided, module design can facilitate condensate removal.",

keywords = "Condensation, Gas transfer, Hollow-fiber membranes, Numerical model, Supersaturation",

author = "Yuan Fang and Novak, {P. J.} and Hozalski, {R. M.} and Cussler, {E. L.} and Semmens, {M. J.}",

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AU - Fang, Yuan

AU - Novak, P. J.

AU - Hozalski, R. M.

AU - Cussler, E. L.

AU - Semmens, M. J.

N1 - Funding Information: This work was primarily supported by the United States Department of Defense’s Strategic Environmental Research and Development Program (CU 1124). Other significant support came from the US Airforce Office of Scientific Research (F49620-01-1-0333), the Department of Energy (FG07-02ER63509) and the Petroleum Research Fund (39083-AC9).

PY - 2004/3/1

Y1 - 2004/3/1

N2 - Membrane gas transfer can be compromised by water condensation during operation. Experiments reported here show that the feed gas is rapidly saturated with water, whose transport is controlled by resistances in the membrane and the gas phase. This gas then becomes supersaturated because of gas dissolution, which is controlled by transport in the liquid phase. The water in the supersaturated gas is not normally transported back into the liquid, but forms droplets on the gas side of the membrane. While this condensation cannot normally be avoided, module design can facilitate condensate removal.

AB - Membrane gas transfer can be compromised by water condensation during operation. Experiments reported here show that the feed gas is rapidly saturated with water, whose transport is controlled by resistances in the membrane and the gas phase. This gas then becomes supersaturated because of gas dissolution, which is controlled by transport in the liquid phase. The water in the supersaturated gas is not normally transported back into the liquid, but forms droplets on the gas side of the membrane. While this condensation cannot normally be avoided, module design can facilitate condensate removal.

KW - Condensation

KW - Gas transfer

KW - Hollow-fiber membranes

KW - Numerical model

KW - Supersaturation

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Condensation studies in gas permeable membranes

Abstract

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Keywords

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