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D2 AND AGO

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D2 GAS OIL

Characteristics of diesel, D2, Gas oil (GOST 305-82)

Parameters

Norms

 

 

Summer

Winter

Arctic

Cetane Index, not less

45

45

45

Fractional structure:

 

 

 

50 % are overtaken at temperature, С, not above

280

280

255

90 % are overtaken at temperature (the end of distillery), С, not above

360

340

330

Kinematical viscosity at 20 With, 2/with

3,0-6,0

1,8-5,0

1,5-4,0

Temperature of hardening, With, not above, for a climatic zone:

 

 

 

Moderated(Moderate)

-10

-35

-

Cold

-

-45

-55

Temperature of turbidity, With, not above, for a climatic zone:

 

 

 

Moderated(Moderate)

-5

-25

-

Cold

-

-35

-

Temperature of flash in closed Chamber, With, not below:

 

 

 

For diesel and ship diesel engines and gas turbines

62

40

35

For diesel engines of a general purpose

40

35

30

Mass fraction of sulfur, %, no more, in fuel:

 

 

 

Kind I

0,2

0,2

0,2

Kind II

0,5

0,5

0,4

Mass fraction Mercaptan sulfurs, %, no more

0,01

0,01

0,01

The maintenance(contents) of actual pitches, mg/100 of sm3 of fuel, no more

40

30

30

Acidity, mg КОН/100 sm3 of fuel, no more

5

5

5

Iodic number, г I2/100 г fuel, no more

6

6

6

Ash Contents, %, no more

0,01

0,01

0,01

Coking Capability 10 % of-th rest, %, no more

0,2

0,3

0,3

Factor of filterability, no more

3

3

3

Density at 20 With, kg/3, no more

860

840

830

The note.
For Fuel type Summer, Winter and Arctic: the contents of hydrogen sulphyde, water-soluble acids and alkalis, mechanical impurity and - absence, test on a copper plate - maintain waters.

 

 

TABLE 2: SPECIFICATIONS FOR DIESEL FUEL (AGO) (D2)

NIGERIAN NATIONAL PETROLEUM CORPORATION

S/N

CHARACTERISTIC

REQUIREMENT

TEST

METHOD

ASTM

i

Appearance

Clear and Bright

Visual

ii

Colour, ASTM (Max)

3.0

Visual

ii

Specific Gravity at 15/150C

0.820 0.870

1298

iv

Acidity, (inorganic acid)

Nil

 

v

Total Acid Number mg KOH/g

(max)

0.50

 

iv

Distillation:

(a) percentage recovery at

3570C, v/v (min).

(b)Final boiling point, 0C

(max)

 

 

90

385

 

 

 

86

vi

Flash Point, oC (min)

66

93

vii

Kinematics Viscosity at 37.80C (cSt)

1.6 5.5

 

viii

Cloud Point, 0C (max.)

4.4

 

ix

Conradson Carbon Residue on 10% residue, % wt. (max)

0.15

 

x

Ash, % wt. (max).

0.01

 

xi

Copper Strip Corrosion, 3h at

1000C

Not worse than

No. 1

 

xii

Sediment, % wt. (max).

0.01

 

xiii

Total Sulphur, % wt. (max).

0.3

 

xiv

Water Content, % Vol. (max).

0.05

 

xv

Diesel Index, (min.)

47