Page 82 - Fluid Catalytic Cracking Handbook
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60   Fluid Catalytic Cracking Handbook

                            Table 2-4
                Sulfur Distribution in FCC Products

                        Feedstock Sources

                                                        Kuwait
                 W. Texas    W. Texas                 DAO & Gas
                Virgin Gas  Virgin Gas    California   Oil Blend
   Feedstock        Oil      Oil (HOT)     Gas Oil      (HOT)

 Sulfur Content,
  wt%              1.75        0.21          1.15        3.14
 Conversion,
  vol%            77.8        77.8         78.7         80.1

               Sulfur Distribution, Wt% of Feed Sulfur
 H 2S             42.9        19.2         60.2         50.0
 Light Gasoline    0.2         0.9           1.6         1.9
 Heavy Gasoline    3.3         1.9          7.9          5.0
 LCO              28.0        34.6         20.7         17.3
 Decanted Oil     20.5        34.7          6.8         15.3
 Coke              5.1         8.7          2.8         10.3
 Source: Huling [7]

                            Table 2-5
  D
   API Gravity, Residue, and Sulfur Content of Some Typical Crudes

                                                  Sulfur Content of
                          °API       Vacuum       Vacuum Gas Oil,
     Crude Source       Gravity   Bottoms, vol%        Wt%*
 Maya                     21.6        33.5             3.35
 Alaska North Slope (ANS)  28.4       20.4              1.45
 Arabian Medium           28.7        23.4             3.19
 Forcados                 29.5         7,6             0.30
 Cabinda                  32.5        23.1             0.16
 Arabian Light            32.7         17.2            2.75
 Bonny Light              35.1         5.3             0.25
 Brent                    38.4         11.4            0.63
 West Texas Intermediate  38.7         10.6            0.63
  Gushing (WTIC)
 Forties                  39.0         10.1            0.61

 *Sulfur level varies with crude source and residue content.
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