𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Hollow fiber gas membranes

✍ Scribed by Zhang Qi; E. L. Cussler

Publisher
American Institute of Chemical Engineers
Year
1985
Tongue
English
Weight
592 KB
Volume
31
Category
Article
ISSN
0001-1541

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✦ Synopsis

Gas membranes can be used to rapidly remove volatile solutes like hydrogen sulfide and sulfur dioxide from dilute aqueous solutions. The gas membranes are supported by microporous hydrophobic hollow fibers. The aqueous feed containing the volatile component flows down the fiber lumen, and an aqueous stripping solution bathes the outside fiber surface. Thus the membrane consists of gas trapped in the hydrophobic pores. The fluxes across these membranes, which can be much faster than those across polymer films, are consistent with a nonlinear mechanism which includes solute ionization.

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