The composition of the additive Sunasol SK includes both active component and stabilizers. The recommended concentration of the additive Sunasol SK in automotive fuels may also be up 10-12% on weight. When Sunasol SK is dosed, it brings the following benefits to fuels:
- Reduces the amount of the aromatic hydrocarbons in fuels, aromatic hydrocarbons are the main source of toxic elements in fuel combustion
- Reduces maintenance expenses of the vehicles due to cleaning and corrosion-preventing properties offered by Sunasol SK. Fuel blended with Sunasol SK provides metallic corrosion prevention to both fuel storage tank and fuel system of vehicles
- Improves anti-oxidizing properties of fuels and lowers formation of gums during storage of fuels
- Improves fuel density
- Compared to MTBE, Sunasol SK reduces transportation costs, its octane boosting efficiency is about 10-12 times higher than MTBE; Fuel losses on evaporation can be greatly improved during blending and storage.
Test 1: The octane-boosting efficiency of Sunasol SK is shown on the following diagram, SSK for Sunasol SK:
Ashless Sunasol SK is the organic octane booster used for fuels increasing octane by 3-8 points in the concentration of 1-2 % on weight widely used. It is freely soluble in fuel with the mild smell, and gives anti-oxidizing and anti-corrosive characteristics to fuel, since it leads to substantial growth of time index of fuel induction period. Application of Sunasol SK does not increase the content of NO and CO in the exhaust gases. Besides, it does not cause negative effect on 3-way catalytic converter either.
Test 2: The octane-boosting efficiency of Sunasol SK to fuels is shown in the following table.
The following examples represent the test results with Sunasol SK as the anti-knock additive used for production of high-octane unleaded fuels on the basis of unleaded fuels 76# and 92#, held by different selective refineries where crude oils are supplied from different oil fields.
Initial fuel, unleaded |
Fuel octane number without Sunasol SK |
Sunasol SK
% |
Octane number after dosage |
MON |
RON |
Refinery No.1 |
Fuel 92# |
92,0 RON
92,0 RON
92,0 RON |
1,0
2,0
3,0 |
-
-
- |
94,6
97,8
>100,0 |
Refinery No.2 |
Fuel 76# |
76,0 MON |
3,0 |
84,0 |
92,6 |
Refinery No.3 |
Fuel 76# |
76,0 MON
76,0 MON
76,0 MON |
1,0
2,0
3,0 |
80,1
82,0
84,0 |
86,7
89,0
92,3 |
Refinery No.4 |
Fuel 76# |
76,0 MON |
3,0 |
83,5 |
91,0 |
Fuel 92# |
92,0 RON |
1,0 |
- |
95,3 |
Refinery No.5 |
Fuel 92# unleaded |
93,5 RON
93,5 RON
93,5 RON |
1,0
1,3
2,0 |
-
-
- |
97,3
98,7
99,7 |
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