Table 3. Weight Loss, Carbon and Metal Contents, and Surface Area of the Used Catalysts.
| weight
loss (%) |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| catalysts | WL1 | WL2 | WL3 | total weight loss (%) | Ni (wt %) | Pd (wt %) | carbon content (wt %) | fresh catalyst surface area (m2/g)a | spent catalyst surface area (m2/g)b | difference between surface areaa,b |
| TNPs | 0.02 | 1.85 | 0.03 | 1.9 | 0 | 0 | 4.1 | 87.4 | 68.9 | 18.5 |
| Ni/TNPs | 0.66 | 0.56 | 0.05 | 1.27 | 7.19 | 0 | 3.8 | 91.2 | 84.7 | 6.5 |
| Ni-Pd/TNPs | 0.04 | 0.24 | 0 | 0.28 | 6.45 | 1.98 | 1.6 | 103.1 | 101.4 | 1.7 |
a
Surface area of the calcined catalysts before the reactions.
b
Surface area of the catalysts after the reactions.