fig9

Figure 9. (A) The NH₃ synthesis rate of nRu/CeO₂ catalysts (n = 0.2, 0.5, and 1) at 400 °C, 10,000 mL g^-1h^-1 WHSV and different pressure ranges (10-50 bar), (B) Stability test of 0.5Ru/CeO₂ catalyst at 50 bar, 400 °C, and 10,000 mL g^-1h^-1, (C) NH₃ decomposition conversion graph with respect to temperature, at P = 1 atm, T = 350-550 °C, and (D) H₂ production rate (mmol g^-1 min^-1) with respect to temperature, at P = 1 atm, T = 350-550 °C. (A and C) represent the standard error of the mean (SEM).