Catalyst

C 1s

O 1s

Si 2p

Ni 2p3/2

SBA-5Ni

284.56 (79.6%)

530.19 (4.10%)

102.65 (20.0%)

853.44 (49.9%)

fresh

285.93 (20.4%)

532.71 (95.90%)

103.67 (79.7%)

856.20 (50.1%)

SBA-5Ni

284.42 (80.3%)

532.70 (100%)

103.27 (100%)

855.07 (48.8%)

used

285.79 (19.7%)

856.93 (26.2%)

860.84 (25.1%)

SBA-20Ni

284.56 (86.9%)

530.34 (19.9%)

102.25 (24.1%)

852.73 (41.7%)

fresh

285.75 (13.1%)

532.33 (80.1%)

103.30 (75.9%)

855.57 (58.3%)

SBA-20Ni

284.85 (84.8%)

529.93 (11.1%)

102.39 (32.6%)

852.46 (41.3%)

used

287.45 (15.2%)

532.24 (88.9%)

103.41 (67.4%)

855.71 (58.7%)