(693f) Cadmium, Phosphorous and Antimony Adsorption on Copper-Palladium Alloy Films

Authors: 
Granite, E. J. - Presenter, U.S. Department of Energy, National Energy Technology Laboratory
Miller, J. B., Carnegie Mellon University
Stanko, D., U.S. Department of Energy, National Energy Technology Laboratory
Howard, B. H., U.S. DOE/NETL
Uffalussy, K. J., ORISE, NETL


Cadmium, Phosphorus and Antimony Adsorption on Copper-Palladium Alloy Films

Karen Uffalussy, James Miller, Bret Howard, Dennis Stanko and Evan Granite

Abstract

The adsorption of phosphine, cadmium and antimony on copper-palladium alloy films at
288oC was studied by scanning electron microscopy with energy-dispersive X-ray methods (SEM-EDX) characterization. The composition spread alloy film (CSAF) coupons were exposed to cadmium, phosphine or antimony in nitrogen in a small flow reactor. Trends for cadmium, phosphorus and antimony uptake as a function of alloy composition are being determined. The results have potential consequences for the design of sorbents for the capture of phosphorus from fluid streams, and for the stability of palladium-copper alloy membranes employed for hydrogen separation from coal-derived syngas.

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