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The Chemistry and Technology of Petroleum
TABLE 18.4
Product Yields and Properties from Delayed Coking of Athabasca Tar Sand Bitumen and Similar API
Gravity Feedstocks
Feedstock
Kuwait
Residuum
West Texas
Residuum
Tia Juana
Residuum
Alaska NS
Residuum
Arabian Light
Residuum
Athabasca
Bitumen
API gravity
6.7
8.9
8.5
7.4
6.9
7.3
Carbon residue a
19.8
17.8
22.0
18.1
17.9
Sulfur, wt.%
5.2
3.0
2.9
2.0
4.0
5.3
Product yields, vol.%
Naphtha (95°F–425°F, 35°C–220°C)
26.7
28.9
25.6
12.5
19.1
20.3
Light gas oil (425°F–645°F, 220°C–340°C)
28.0
16.5
26.4
b
b
b
Heavy gas oil (645°F–1000°F, 340°C–540°C)
18.4
26.4
13.8
51.2
48.4
58.8
Coke
30.2
28.4
33.0
27.2
32.8
21.0
Sulfur, wt.%
7.5
4.5
2.6
5.6
8.0
a
Conradson.
b
A blank product line indicates that the yield of the lower boiling product has been included in the yield of the higher boiling product.