Table 1 Initial DDS and HYD reaction rates and apparent energies of activation.

CatalystInitial rates
(mmol g−1 h−1 or mol molMo−1 hour−1)*
EA
(kJ mol−1)
TotalDDSHYDTotalDDSHYD
NiMo-1-p1.5 (0.36)0.58 (0.14)0.96 (0.22)152 ± 4177 ± 4140 ± 5
NiMo-2-p1.4 (0.34)0.46 (0.12)0.89 (0.22)164 ± 5239 ± 12145 ± 6
NiMo-3-p2.6 (0.49)1.0 (0.19)1.6 (0.30)153 ± 10176 ± 12142 ± 9
NiMo-4-p6.9 (2.02)2.1 (0.63)4.7 (1.39)151 ± 4205 ± 9136 ± 4
MoS2-p2.5 (0.39)0.46 (0.07)2.0 (0.32)
NiMo-1-L2.3 (0.41)0.83 (0.15)1.5 (0.26)147 ± 5174 ± 8135 ± 5
NiMo-2-L2.9 (0.53)1.1 (0.20)1.8 (0.33)157 ± 5220 ± 12138 ± 5
NiMo-3-L4.5 (0.86)1.6 (0.30)2.9 (0.56)144 ± 3170 ± 5134 ± 3
NiMo-4-L11.0 (2.23)3.7 (0.73)7.7 (1.50)156 ± 4214 ± 8139 ± 4
MoS2-L2.4 (0.39)0.41 (0.07)2.0 (0.32)

*Initial rates (± 5%) at 330°C; values outside and in the parentheses are normalized to the catalyst mass and to the total amount of Mo, respectively.

†Temperature range: 280° to 330°C.