The 350-minute sorption capacity of sorbents with several different Pd loading capacities, and at 3 relevant temperatures, were studied using a 10 mg packed bed column, followed by digestion and analysis using ICP-AES. The sorbent were characterized after exposure to the contaminants was observed using XRD and XPS. Breakthrough curves for each of the contaminants were developed on 20% Pd/Al2O3 to demonstrate complete removal, and on 2% Pd/Al2O3, to determine maximum loading capacity, using real-time analysis of removal using a commercial GC/ion trap MS system. The influence of multiple contaminants was explored by performing breakthrough curves with multiple contaminants present. Thermal regeneration of the used 2% Pd/Al2O3 sorbents at 550°C, has also been studied.
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