Figure 4
From: Minimising hydrogen sulphide generation during steam assisted production of heavy oil
Comparison of selected ions from the (a) aromatic (GC-MS) and (b) asphaltene (py-GC-MS) fractions of the residues.
(Equivalent data for the flotate fraction is presented in Figure 3b and 3c. MDBT – methyldibenzothiophene, DDBT – dimethyldibenzothiophene
