Conversion factor Conversion factor
1 Pounds Per Barrel Of Oil (lbm/bbl) = 2.853 Kilograms Per Cubic Meter (kg/m3) 1 degree of C= 493.47 degree of R
1 Kilograms Per Cubic Meter (kg/m3) = 0.001 Grams Per Cubic Centimeter (g/cm3) 1 degree of F= 460.67 degree of R
1 Pound Per Hour (lb/h) = 0.010886 Ton Per Day (ton/day) 1 K = 1.80 degree of R
1 Cubic Feet (ft3) = " 28,316.85 " Cubic Centimeter (cm3)
1 Pound (lb) = 453.59237 Grams (g)

Generalized Equations (chap 3) Refractive Index (chap 3)
Q Q¥ a b c Constants Light fraction Heavy fraction
"Tb (mean average, K)" 1080 6.97996 0.01964 0.67 M 70-300 300-600
SG 1.07 3.56073 2.93886 0.10 Tb (F) 90-650 650-1000
d20 1.05 3.80258 3.12287 0.10 a 0.02266 0.02341
b 0.0003905 0.0006464
c 2.468 5.144
Feed CDU properties d -0.0005704 -0.0003289
Crude oil= " 100,000 " bbl/day e 0.0572 -0.407
API= 26.00 - f -0.72 -3.333

Crude distillation unit

Cut 190-380 F Cut 580-650 F
degree of F degree of R LV % degree of F degree of R LV %
Initial point 190 649.67 25.92 Initial point 580 1039.67 37.77
End point 380 839.67 33.04 End point 650 1109.67 39.09

Value Unit Value Unit
Cut vol % = 7.12 % Cut vol % = 1.33 %
Cut mid vol % = 29.48 % Cut mid vol % = 38.43 %
API = 42.45 - API = 38.91 -
SG = 0.8134 - SG = 0.8304 -
Cut vol = " 7,122 " bbl/day Cut vol = " 1,326 " bbl/day
Cut amount = " 84,607 " lb/h Cut amount = " 16,076 " lb/h
Tb = 413.71 K Tb = 597.04 K
M = 118.81 g/cm3 M = 265.34 g/cm3

Refractive Index (chap 3) Refractive Index (chap 3)
I 0.268 - I 0.276 -
n 1.449 - n 1.464 -
d20 0.759 - d20 0.859 -
Ri 1.069 - Ri 1.034 -
m -3.134 - m -2.979 -

Sulfur Material Balance Sulfur Material Balance
(M<200) wt%S = -2.76 % (M<200) wt%S = 3.32 %
Sulfur amount = " (2,337)" lb/h Sulfur amount = 533 lb/h
(M>200) wt%S = 1.40 % (M>200) wt%S = 0.43 %
Sulfur amount = " 1,187 " lb/h Sulfur amount = 70 lb/h


Naphtha hydrotreater unit (190-380 F) Page 172 Naphtha hydrotreater unit (580-650 F) Page 175 FCC unit Page 212

Feed HTU properties Feed HTU properties Feed FCC unit
Tb = 744.67 Rankin Tb = 1074.67 Rankin API_feed = 42.25 -
SG = 0.8134 - SG = 0.8304 - Vol feed = " 1,326 " bbl/day
K = 11.1428 - K = 12.3356 - Amount = " 15,766 " lb/h
wt%S feed = 1.40 % wt%S feed = 3.32 % LV% = 75.00 %
API feed = 42.45 - API feed = 38.91 - %S feed = - %
Cut vol feed = " 7,122 " bbl/day Vol feed = " 1,326 " bbl/day
Yields and properties of products
SCFB H2 = 237.37 ft3 of H2/bbl of feed SCFB H2 = 728.35 ft3 of H2/bbl of feed No. Products Correlation lb/h No. Products Correlation lb/h
Required H2 = " 3,576,953 " lb/h Required H2 = " 2,085,448 " lb/h 1 Coke wt% 2.13 335.13 9 C3=LV% 6.45 " 1,016.82 "
2 LCO LV% 15.78 " 2,423.38 " 10 HCO wt% 9.22 " 1,453.11 "
D API product = 1.21 - D API product = 3.35 - 3 Gases wt% 4.74 746.85 11 Wt% S in Gases #VALUE! #VALUE!
API product = 43.66 - API product = 42.25 - 4 Gasoline LV% 57.38 " 8,593.97 " 12 Wt% S in LCO #VALUE! #VALUE!
5 iC4LV% 5.70 897.93 13 Wt% S in HCO #VALUE! #VALUE!
Vol%Paraffins = 27.72 % 6 nC4LV% 2.60 409.55 14 S in Coke #VALUE! #VALUE!
Vol%Naphthene = 55.88 % 7 C4=LV% 7.29 " 1,149.67 " 15 Gasoline API 51.40
Vol%Aromatics = 22.22 % 8 C3LV% 2.40 378.17 16 LCO API 46.92
Sum = 105.81 %
Total gasoline = C5+ of Reformer unit + Gasoline of FCC unit
Normalizing
Vol%Paraffins = 26.19 % Total gasoline = " 88,114.70 " lb/h
Vol%Naphthene = 52.81 %
Vol%Aromatics = 21.00 %



Reformer unit Page 108

Feed Reformer unit
RON_feed = -
RON_reformate = 94 -
K_feed = -
Natha_feed = 52.81 %
Aro_feed = 21.00 %
API_feed = 43.66 -
Vol feed = " 7,122 " bbl/day
Amount = " 84,021 " lb/h

Reformer Correlation
Correlation vol% Vol. (bbl/day) Den. (g/cm3) wt% Yield (lb/h)
C5+ vol% 255.2244
C5+ vol% 194.7323
C5+ vol% 91.1536