550
The Chemistry and Technology of Petroleum
TABLE 20.4
Feedstock and Product Data for the Demex Process
Feedstock
Vacuum
Residuum a
Vacuum
Residuum a
Arabian Light
Vacuum
Residuum
Arabian Light
Vacuum
Residuum
Arabian Light
Vacuum
Residuum
Arabian Heavy
Vacuum
Residuum
Arabian Heavy
Vacuum
Residuum
API
7.2
7.2
6.9
6.9
6.9
3.0
3.0
Sulfur, % w/w
4.0
4.0
4.0
4.0
4.0
6.0
6.0
Nitrogen, % w/w
0.3
0.3
0.3
0.3
0.3
0.5
0.5
Carbon residue, % w/w
20.8
20.8
20.8
20.8
20.8
27.7
27.7
Nickel, ppm
23.0
23.0
23.0
64.0
64.0
Vanadium, ppm
75.0
75.0
75.0
205.0
205.0
Nickel + vanadium, ppm
98.0
98.0
C6-asphaltenes, % w/w
10.0
10.0
C7-asphaltenes, % w/w
10.0
10.0
10.0
15.0
15.0
Products
Demetallized oil, % v/v
56.0
78.0
40.0
60.0
78.0
30.0
55.0
API
16.0
12.0
18.9
15.3
12.0
16.3
12.0
Sulfur, % w/w
2.7
3.3
2.3
2.8
3.3
3.5
4.3
Nitrogen, % w/w
0.1
0.2
0.1
0.2
0.2
0.1
0.2
Carbon residue, % w/w
5.6
10.7
2.9
6.4
10.7
4.8
10.1
Nickel + vanadium, ppm
6.0
19.0
2.5
7.2
19.0
16.0
38.0
C6-asphaltenes, % w/w
<0.1
<0.1
Pitch, % v/v
44.0
22.0
API
<0.0
<0.0
<0.0
<0.0
<0.0
<0.0
<0.0
Sulfur, % w/w
5.4
6.3
5.0
5.5
6.3
6.9
7.8
Nickel + vanadium, ppm
201.0
341.0
154.0
216.0
341.0
364.0
515.0
a
Unspecified.