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Methanol gasoline efficient composite additive and preparation method thereof

A compound additive, methanol gasoline technology, used in fuel additives, petroleum industry, liquid carbon-containing fuels, etc., can solve problems such as poor water resistance, reduce combustion emissions, etc., and achieve the effects of improving power, reducing fuel consumption, and improving water resistance

Active Publication Date: 2016-03-16
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a high-efficiency composite additive for methanol gasoline to solve the problem of poor water resistance of methanol gasoline during use, and to reduce combustion emissions, enhance power and reduce fuel consumption.

Method used

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  • Methanol gasoline efficient composite additive and preparation method thereof
  • Methanol gasoline efficient composite additive and preparation method thereof
  • Methanol gasoline efficient composite additive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: (1) After mixing 9 kg of diethyl alcohol formal, 6 kg of tert-butyl methyl ether, and 1.2 kg of isooctyl phosphate (RP-98), stir with a magnetic stirrer for 3 to 4 minutes, and then add the average particle size 1.8 kg of 30nm nano-cobalt ferrite and 1.6 kg of n-heptane were ultrasonically dispersed at 56-60°C for 60-80 minutes with an ultrasonic disperser;

[0020] (2) After mixing 6 kg of propylene glycol butyl ether, 4.5 kg of cocoic acid diethanolamide (6501), 1.1 kg of isotridecyl stearate, and 2.5 kg of sodium lauroyl sarcosinate, stir with a magnetic stirrer for 5-8 minutes ;

[0021] (3) After mixing the mixture in step (1) and the mixture in step (2), stir with a magnetic stirrer for 3-4 minutes, and then ultrasonically disperse at 52-55°C for 60-80 minutes to obtain the product. When in use, the methanol-gasoline high-efficiency composite additive of the present invention is directly added to the methanol-gasoline in an amount of 600-800 mg / L.

Embodiment 2

[0022] Example 2: (1) After mixing 8 kg of diethyl alcohol formal, 5 kg of tert-butyl methyl ether, and 1 kg of isooctyl phosphate (RP-98), stir with a magnetic stirrer for 3 to 4 minutes, and then add the average particle size 1.5 kg of 30nm nano-cobalt ferrite and 1.5 kg of n-heptane, ultrasonically disperse at 56-60°C for 60-80 min with an ultrasonic disperser;

[0023] (2) After mixing 5 kg of propylene glycol butyl ether, 4 kg of cocoic acid diethanolamide (6501), 1 kg of isotridecyl stearate, and 2 kg of sodium lauroyl sarcosinate, stir with a magnetic stirrer for 5-8 minutes ;

[0024] (3) After mixing the mixture in step (1) and the mixture in step (2), stir with a magnetic stirrer for 3-4 minutes, and then ultrasonically disperse at 52-55°C for 60-80 minutes to obtain the product. When in use, the methanol-gasoline high-efficiency composite additive of the present invention is directly added to the methanol-gasoline in an amount of 600-800 mg / L.

Embodiment 3

[0025] Example 3: (1) After mixing 10 kg of diethyl alcohol formal, 7 kg of tert-butyl methyl ether, and 1.5 kg of isooctyl phosphate (RP-98), stir with a magnetic stirrer for 3 to 4 minutes, and then add the average particle size 2 kg of 30nm nano-cobalt ferrite and 2 kg of n-heptane, ultrasonically disperse at 56-60°C for 60-80 minutes with an ultrasonic disperser;

[0026] (2) After mixing 7 kg of propylene glycol butyl ether, 5 kg of cocoic acid diethanolamide (6501), 1.5 kg of isotridecyl stearate, and 3 kg of sodium lauroyl sarcosinate, stir with a magnetic stirrer for 5-8 minutes ;

[0027] (3) After mixing the mixture in step (1) and the mixture in step (2), stir with a magnetic stirrer for 3-4 minutes, and then ultrasonically disperse at 52-55°C for 60-80 minutes to obtain the product. When in use, the methanol-gasoline high-efficiency composite additive of the present invention is directly added to the methanol-gasoline in an amount of 600-800 mg / L.

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Abstract

The invention provides a methanol gasoline efficient composite additive. The methanol gasoline efficient composite additive is prepared from, by weight, 8-10 parts of diethoxymethane, 5-7 parts of tert-butyl methyl ether, 1-1.5 parts of isooctyl phosphate, 1.5-2 parts of nanometer cobalt ferrite, 1.5-2 parts of n-heptane, 5-7 parts of propanediol butyl ether, 4-5 parts of coconut diethanolamide, 1-1.5 parts of isotridecyl stearate and 2-3 parts of sodium lauroyl sarcosine. The methanol gasoline efficient composite additive contains multiple cosolvents, a dispersant, a kinetic promoter and an anticorrosive agent, and is prepared through a special method by using a unique formula of all components, and all the components have protruding synergism; and the methanol gasoline efficient composite additive obviously improves the water resistance of methanol gasoline, reduces the discharge effects of combusted NOX, HC and CO, and also has kinetic lifting and certain gasoline consumption reduction effects by using a special formula.

Description

technical field [0001] The invention relates to a fuel oil additive for vehicles, in particular to a methanol-gasoline high-efficiency composite additive and a preparation method thereof. technical background [0002] As the best substitute fuel for internal combustion engines other than petroleum fuels, methanol has the characteristics of high octane number, good antiknock performance, and high oxygen content, especially its emissions are relatively small for air pollution. The physical and chemical properties of methanol are closer to that of gasoline, and it can be blended with gasoline in a low proportion, and the engine can not be changed. However, due to the high latent heat of vaporization and low vapor pressure of methanol, it will cause the formation of mixed gas and difficulty in starting, so it is rarely used alone in gasoline engines. Methanol and gasoline mixed fuel with a low ratio (5% to 30%) have good combustion performance, high efficiency, cleanness and en...

Claims

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Application Information

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IPC IPC(8): C10L1/185C10L1/26C10L1/19C10L1/12C10L1/16C10L1/224C10L1/30
CPCC10L1/10C10L1/1233C10L1/1608C10L1/1852C10L1/1857C10L1/19C10L1/224C10L1/26C10L1/305C10L2300/20
Inventor 王丹
Owner TAIYUAN UNIV OF TECH
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