Title:
Carbon molecular sieve membranes for aggressive sour gas separations
Carbon molecular sieve membranes for aggressive sour gas separations
Author(s)
Kemmerlin, Ruben Kyle
Advisor(s)
Koros, William J.
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Abstract
It had been shown that the transport properties of CMS membranes varies as a function of H₂S exposure making the conditioning protocol an important step in identifying the steady state properties of CMS membranes. In this study the conditioning of CMS membranes with H₂S was studied for the determination of the acid gas steady state transport properties. The conditioned steady state has been shown to be the same state for both an extended conditioning protocol using high pressure mixed gas and a rapid conditioning protocol using pure H₂S. The rate of conditioning does vary between the two conditioning protocols as the rapid conditioning protocol takes 48 hours less to reach the conditioned steady state. The results of this study also show that oxygen doping during the formation of the CMS membrane affects the final, conditioned steady state transport properties.
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Date Issued
2012-08-21
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Text
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Thesis