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Composite lead-free gasoline and its preparation method

A technology of unleaded gasoline and gasoline, applied in the petroleum industry, liquid carbon-containing fuel, fuel, etc., can solve the problems of easy formation of steam flow, detonation, air resistance, etc., and achieve good corrosion resistance, low cost, and anti-knock good sex effect

Inactive Publication Date: 2006-05-03
鲁希诺
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing composite unleaded gasoline is generally composed of methanol, xylene, and solvent gasoline. This kind of composite unleaded gasoline has the following disadvantages: (1) When the temperature exceeds 45°C, the activity of methanol is enhanced, and it is easy to form a vapor flow, thereby generating gas. On the contrary, when the temperature is extremely low, the convergence of the composite unleaded gasoline increases, and the oil circuit is blocked, which makes it difficult to start
(2) Solvent gasoline is used as the main raw material. Due to the instability of various properties of solvent gasoline, the octane number fluctuates greatly, and sometimes knocking occurs
(3) Due to the generally high colloid content of solvent gasoline, the stability of compound gasoline is affected
(4) It is corrosive to a certain extent and will have a certain impact on the oil circuit
(5) When mixed with traditional gasoline, it is prone to stratification
But the cost of the improved compound unleaded gasoline is relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] 1) Take 0.7 liters of ethylene glycol monobutyl ether and 1.4 liters of isopropanol according to the volume ratio and mix them to form complex A;

[0040] 2) Mix zinc oxide, antioxidant, metal deactivator, colorant and smoke suppressing and combustion accelerant in a weight ratio of 1:1:3:5:8 to make an additive, and then add 4.9 liters of the additive to the Mix in 7 liters of benzene to form CHF;

[0041] 3) Mix the CHF with 210 liters of 90 # Blending finished gasoline to form parent gasoline;

[0042] 4) Take 280 liters of light oil, 140 liters of naphtha and 120 liters in proportion # 35 liters of mineral spirits were prepared to form complex C;

[0043] 5) Mix 210 liters of methanol with compound C to form compound D;

[0044] 6) Blending complex A and complex D to form complex E;

[0045] 7) The blended base gasoline and compound E were blended and rested for 3 hours to form composite unleaded gasoline.

Embodiment 2

[0047] 1) Take 1.4 liters of ethylene glycol monobutyl ether and 0.7 liters of isopropanol according to the volume ratio and mix them to form complex A;

[0048] 2) Mix zinc oxide, antioxidant, metal deactivator, coloring agent and smoke suppressing and combustion accelerant in a weight ratio of 1:1:3:5:8 to make an additive, and then add 9.8 liters of the additive to the 3.5 liters of benzene is formulated to form CHF;

[0049] 3) Mix the CHF with 420 liters of 90 # Blending finished gasoline to form parent gasoline;

[0050] 4) Take 560 liters of light oil, 70 liters of naphtha and 120 liters in proportion # 70 liters of mineral spirits were prepared to form complex C;

[0051] 5) Mix 105 liters of methanol with compound C to form compound D;

[0052] 6) Blending complex A and complex D to form complex E;

[0053] 7) The blended base gasoline and compound E were blended and rested for 3 hours to form composite unleaded gasoline.

Embodiment 3

[0055] 1) Take 0.9 liters of ethylene glycol monobutyl ether and 1.1 liters of isopropanol according to the volume ratio and mix them to form complex A;

[0056] 2) Mix zinc oxide, antioxidant, metal deactivator, colorant and smoke suppressing and combustion accelerant in a weight ratio of 1:1:3:5:8 to make an additive, and then add 6 liters of additive to the Mix in 6 liters of benzene to form CHF;

[0057] 3) Mix the CHF with 280 liters of 90 # Blending finished gasoline to form parent gasoline;

[0058] 4) Take 350 liters of light oil, 110 liters of naphtha and 120 liters in proportion # 50 liters of mineral spirits are prepared to form complex C;

[0059] 5) Take 180 liters of methanol and compound C to form compound D;

[0060] 6) Blending complex A and complex D to form complex E;

[0061] 7) The blended base gasoline and compound E were blended and rested for 3 hours to form composite unleaded gasoline.

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PUM

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Abstract

The invention relates to a composite lead-free gasoline which comprises 90# petroleum product, methanol, low gravity oil, petroleum naphtha, 120# solvent oil, ethylene glycol monobutyl ether, isopropyl alcohol, benzene and addition agent, and the addition agent comprises zinc oxide, anti-oxidant, metal deactivator, coloring agent, smoke abatement and combustion adjuvant. The invention relates to a the preparing process.

Description

technical field [0001] The invention relates to a composite unleaded gasoline and a preparation method thereof. Background technique [0002] Existing composite unleaded gasoline is generally composed of methanol, xylene, and solvent gasoline. This kind of composite unleaded gasoline has the following disadvantages: (1) When the temperature exceeds 45°C, the activity of methanol is enhanced, and it is easy to form a vapor flow, thereby generating gas. On the contrary, when the temperature is extremely low, the convergence of the compound unleaded gasoline increases, and the oil circuit is blocked, which makes it difficult to start. (2) Solvent gasoline is used as the main raw material. Due to the instability of various properties of solvent gasoline, the octane number fluctuates greatly, and sometimes knocking occurs. (3) The stability of compound gasoline is affected by the generally high colloid content of solvent gasoline. (4) It is corrosive to a certain extent and wil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/10
Inventor 鲁希诺
Owner 鲁希诺
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