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Diesel oil emulsifier and preparation method thereof, and emulsified diesel oil containing same and preparation method thereof

A technology for emulsification of diesel oil and emulsifier, applied in the energy field, can solve problems such as low diesel emulsification efficiency, and achieve the effects of great promotion and application value, strong adaptability and short emulsification time.

Active Publication Date: 2015-03-11
CHNA ENERGY INVESTMENT CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to provide a diesel emulsifier and its preparation method, as well as emulsified diesel oil and its preparation method, so as to solve the technical problem of low diesel emulsification efficiency existing in the prior art

Method used

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  • Diesel oil emulsifier and preparation method thereof, and emulsified diesel oil containing same and preparation method thereof
  • Diesel oil emulsifier and preparation method thereof, and emulsified diesel oil containing same and preparation method thereof
  • Diesel oil emulsifier and preparation method thereof, and emulsified diesel oil containing same and preparation method thereof

Examples

Experimental program
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preparation example Construction

[0028] According to another aspect of the present invention, there is provided a method for preparing a diesel emulsifier, comprising the following steps: directly mixing and stirring ammonium oleate with an alcohol solvent to obtain a diesel emulsifier; or mixing oleic acid with a mass ratio concentration of 28% ~30% concentrated ammonia water is mixed at a volume ratio of 7:1~1:3, stirred, and heated to 130°C~170°C to obtain ammonium oleate, and alcohol solvent is added dropwise to ammonium oleate to obtain a diesel emulsifier; Among them, the content of ammonium oleate accounts for 40%-90% by volume of the diesel emulsifier; the content of alcohol solvent accounts for 10%-60% by volume of the diesel emulsifier.

[0029] Oleic acid is an unsaturated fatty acid containing 18 carbon atoms and a double bond. It is not a surfactant itself, but is used as a raw material for the production of non-ionic surfactants. It is produced by reacting oleic acid with concentrated ammonia wat...

Embodiment 1-5

[0038] Embodiment 1-5 (preparation of diesel oil emulsifier)

[0039] Ammonium oleate was prepared by oleic acid and concentrated ammonia water at 130°C to 170°C according to different volume ratios, and alcohol solvent was added to ammonium oleate to obtain a diesel emulsifier. The specific data are shown in Table 1.

[0040] Table 1

[0041]

Embodiment 6-10

[0042] Embodiment 6-10 (preparation of emulsified diesel oil)

[0043] At room temperature, add the diesel emulsifiers in Examples 1-5 into 0# diesel respectively, stir evenly on a magnetic stirrer, that is, after the solution is clarified, quickly stir while adding distilled water, and observe that the solution changes from clarification to turbidity , Stir for a while and the solution becomes clear again, then add water while stirring, the solution changes from clear → turbid → clear → turbid → clear, until the last drop of water is added and white flocculent precipitates appear, so that a transparent and clear oily emulsification can be made For diesel fuel, calculate the total volume of water added to the system before adding the last drop of water, and then calculate the maximum water mixing amount (volume fraction) added to the system. See Table 2 for specific data.

[0044] Table 2

[0045]

[0046] Note: The existing diesel emulsifier used in Comparative Example 1...

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Abstract

The invention discloses a diesel oil emulsifier and a preparation method thereof, and emulsified diesel oil containing the same and a preparation method thereof. The diesel oil emulsifier comprises ammonium oleate and an alcohols solvent, wherein the content of the ammonium oleate accounts for, by volume percent, 40-90% of the diesel oil emulsifier, and the content of the alcohols solvent accounts for, by volume percent, 10-60% of the diesel oil emulsifier. The obtained emulsified diesel oil is transparent and clear in appearance like pure diesel oil in color, and is stable in performance without layering, and the water mixing ratio can reach 19% to the maximum; and the diesel oil emulsifier has the advantages of being short in emulsification time, high in emulsification efficiency, low in corrosion and abrasion to an internal combustion engine, high in adaptability to water quality, wide in source, low in price and provided with great popularization and application values.

Description

technical field [0001] The invention relates to the field of energy technology, in particular to a diesel emulsifier, a preparation method thereof, and an emulsified diesel oil containing the emulsifier and a preparation method thereof. Background technique [0002] With the rapid development of my country's industry, agriculture, and transportation, the demand for diesel is increasing day by day, but my country's oil production is insufficient, so my country's dependence on imported oil is increasing year by year. How to make full use of existing resources, develop energy-saving technologies, and reduce waste has aroused people's great attention. It is an important way to reduce fuel consumption and control exhaust emissions by formulating ordinary diesel oil into emulsified diesel oil. It has demonstrated its remarkable advantages in terms of saving fuel and improving environmental pollution. At present, emulsification technology has penetrated into the fields of daily ch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/188C10L1/182C10L1/32
Inventor 于洪林
Owner CHNA ENERGY INVESTMENT CORP LTD
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