Name

Density at 20˚C, kg/m3

Viscosity at 50˚C, mm2/s

Temperature of, ˚C:

Coking, %

Yield in % by weight of asphaltenes, with the method:

Freezing

Flash

Proposed

Existing

Before

After

Before

After

The extraction

The extraction

Oil

Initial

865.9

7.11

−10

5

1.91

-

-

The same, after deasphalting

859.0

6.33

−10

5

0.88

1.50

1.07

0.87

0.58

Masut*)

Initial

909.5

43.22

+8

146

3.51

-

-

-

The same, diluted in n-heptane

783.0

1.82

-

-

-

-

-

The same, after deasphalting

907.4

42.0

+6

148

3.30

3.10

2.57

1.0

0.79

Tar*)

Initial

947.3

181.1**)

49

280

4.67

-

-

The same, diluted in n-heptane

787.0

4.19

-

-

-

-

-

The same, after deasphalting

940.3

105.6**)

48

280

4.10

4.50

3.96

1.46

0.89