Research Article

Effect of Chitosan on the Performance of NiMoP-Supported Catalysts for the Hydrodesulfurization of Dibenzothiophene

Table 2

Assignment of main spectral bands, as based on their binding energies (BE), of carbon surface species on samples ChP4/A and ChP4/AT calcined at 350°C under air.

ElementChP4/AChP4/ATChemical bonds
BE (eV)Weight%BE (eV)Weight%

C 1s284.4655.4284.5169.8C-C
C 1s285.7635.8285.8924.9C-N or C-O
C 1s288.28.9288.385.4C=O