High temperature membranes for H{sub 2}S and SO{sub 2} separations. Quarterly progress report, October 1, 1993--December 31, 1993

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Membrane testing in the full-cell environment has been successful in H{sub 2}S removal applications, but largely ineffective for obtaining high current efficiencies due to hydrogen leakage through the membrane. A preprocessed zirconia membrane successful in past experiments was utilized in continued efforts to truncate hydrogen cross-over. An alternative material forming a stabilized conductive cathode under 100 ppmv H{sub 2}S conditions is possible with Co. Development of a Co cathode identical in porosity and pore size to aforementioned nickel cathodes was successfully fabricated and utilized experimentally this quarter.

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26 p.

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Winnick, J. 1993.

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Membrane testing in the full-cell environment has been successful in H{sub 2}S removal applications, but largely ineffective for obtaining high current efficiencies due to hydrogen leakage through the membrane. A preprocessed zirconia membrane successful in past experiments was utilized in continued efforts to truncate hydrogen cross-over. An alternative material forming a stabilized conductive cathode under 100 ppmv H{sub 2}S conditions is possible with Co. Development of a Co cathode identical in porosity and pore size to aforementioned nickel cathodes was successfully fabricated and utilized experimentally this quarter.

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26 p.

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OSTI as DE94010279; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov

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  • 1993

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Thumbnail image of item number 1 in: 'High temperature membranes for H{sub 2}S and SO{sub 2} separations. Quarterly progress report, October 1, 1993--December 31, 1993'.
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Winnick, J. High temperature membranes for H{sub 2}S and SO{sub 2} separations. Quarterly progress report, October 1, 1993--December 31, 1993, report, 1993; United States. (https://digital.library.unt.edu/ark:/67531/metadc1318988/: accessed July 18, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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