Research Article

Structural Characterisation of Asphaltenes during Residue Hydrotreatment with Light Cycle Oil as an Additive

Table 1

Element analysis of asphaltene fractions in feed and products.

Element, %AR-F-ASPAR-P-ASPARLCO-P-ASP

Ha9.438.118.79
Ca83.0184.5684.13
Na0.810.901.07
Ob3.384.014.68
Sc3.3731.4191.331
H/Cd1.361.151.25

Derived from CHN element analysis; bsubtracted H, C, N, and S from 100%; cderived from XRF analysis; datomic ratio.
Molecular formulae: AR-F-ASP C120H163N1.0S1.8O3.7, AR-P-ASP C110H126N1.0S0.7O3.9, and ARLCO-P-ASP C92H115N1.0S0.5O3.8.