Table 1 Concentrations of elements on the surface of the fresh and used Fe3O4–NH2–Pd sorbents according to the XPS results.
From: A Magnetically Recoverable Fe3O4–NH2–Pd Sorbent for Capture of Mercury from Coal Derived Fuel Gas
Samples | Pdsur (wt.%) | j | Pd2+/Pd (%) | Fesur (wt %) | Fe3+/Fe2+ (%) | Osur (wt %) | Ssur (wt.%) | Hgsur (wt.%) |
|---|---|---|---|---|---|---|---|---|
fresh | 0.21 | 71.17 | 28.83 | 3.45 | 4.36 | 91.82 | — | — |
used | 0.16 | 20.92 | 79.08 | 2.34 | 3.99 | 91.80 | 0.58 | 0.027 |
