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High temperature membranes for H{sub 2}S and SO{sub 2} separations. Quarterly progress report, October 1, 1993--December 31, 1993
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.
Date:
December 31, 1993
Creator:
Winnick, J.
System:
The UNT Digital Library