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A kind of biodiesel with multi-component formula combination and preparation method thereof

A biodiesel and formulation technology, applied in the field of fuel oil, can solve the problems of strong corrosion, high cold filter point, and low cost performance

Inactive Publication Date: 2015-10-07
刘粤荣 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These formulas can solve the methanol-diesel miscibility problem to a certain extent, but there are still problems such as easy layering, insufficient mutual solubility and clarity, or low cost performance.
[0009] The biodiesel usually mentioned in the market currently refers to methyl oleate or a mixture of methyl oleate and petrochemical diesel, which has the defects of high freezing point, high cold filter point, strong corrosion and low cost performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0101] The preparation method of multicomponent biodiesel is as follows:

[0102] 1) Adjust the hydrophilic-lipophilic balance value of the surfactant to 10-14, fully mix with methanol or ethanol or a mixture thereof and water, or fully mix with methanol or ethanol or a mixture thereof;

[0103] 2) Mix oleic acid, petrochemical diesel, methanol modified complex, modified additives and the mixture obtained in step 1) evenly;

[0104] Mixing can be done in any of the following ways;

[0105]When the addition amount of the methanol-modified complex is not 0, mix the oleic acid with the petrochemical diesel and the methanol-modified complex, and then mix it with the mixture obtained in step 1); or add it to the mixture obtained in step 1) Add oleic acid to obtain the first mixture, then mix the petrochemical diesel and the methanol modified complex to obtain the second mixture, then mix the first mixture and the second mixture uniformly; or add part of the mixture to the mixture ...

Embodiment 1

[0119] Multivariate biodiesel1 includes the following components:

[0120] 25 parts by weight of petrochemical diesel;

[0121] 23 parts by weight of methanol modified complex;

[0122] 17 parts by weight of oleic acid;

[0123] 15 parts by weight of methyl alcohol;

[0124] Surfactant 2.8 parts by weight

[0125] Modification additive 15.2 parts by weight;

[0126] 12 parts by weight of industrial pure water.

[0127] The above-mentioned raw materials are 100 parts by weight in total. According to the above method, a brown oily liquid is finally obtained, and several main technical indicators that the user cares about are measured as shown in Table 1.

[0128] The physicochemical data of multivariate biodiesel in the embodiment 1 of table 1

[0129] Flash point, °C

[0130] The brown oily liquid obtained in this example is used for combustion. Compared with the combustion properties of 0# petrochemical diesel oil, the air supply volume can be reduced by more ...

Embodiment 2

[0132] Multivariate biodiesel 2 includes the following components:

[0133] 40 parts by weight of petrochemical diesel;

[0134] 30 parts by weight of methanol modified complex;

[0135] 17 parts by weight of oleic acid;

[0136] Methanol 6 parts by weight;

[0137] 2 parts by weight of surfactant;

[0138] Modified additive ⅳ5 parts by weight.

[0139] The above-mentioned raw materials are 100 parts by weight in total, and this embodiment does not contain water. According to the above method, a brown oily liquid is finally obtained, and several main technical indicators that the user cares about are measured as shown in Table 2.

[0140] The physicochemical data of multivariate biodiesel in the embodiment 2 of table 2

[0141] Flash point, °C

[0142] The brown oily liquid obtained in this example is used in a conventional diesel engine, and the compression ignition condition is stable.

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Abstract

The invention provides multicomponent formula combined biodiesel and a preparation method thereof. Based on 100 parts by weight of the biodiesel, the multicomponent formula combined biodiesel comprises, in parts by weight, 5-85 parts of petrochemical diesel oil, 0-70 parts of a methanol modified composite substance, 5-70 parts of oleic acid, 5-75 parts of methanol or ethanol or a mixture of methanol and ethanol, 1-5 parts of a surfactant and 1-8 parts of a modified additive; and 0-35 parts by weight of industrial purified water can be added according to specific application. The multicomponent biodiesel has the advantages of high cetane number, high flash point, low condensation point, low cold filter plugging point, low corrosivity, less discharge and low cost.

Description

technical field [0001] The invention relates to the field of fuel oil, in particular to a biodiesel using multi-component formula combination and a preparation method thereof. Background technique [0002] my country is short of oil and gas, relatively rich in coal resources, and has a wide source of coal-based alcohol ether fuels. Substituting superior alcohol ether resources for petroleum resources, or using alcohol ether fuels and petroleum mixtures to replace petroleum resources, is beneficial to the ecological environment and promotes economic growth. Sustainable development, and can create new economic growth points. [0003] Many countries have promoted ethanol gasoline. The amount of ethanol added to petrochemical gasoline is generally 10-15%. However, since ethanol is mainly derived from crops, its promotion faces many problems such as cost and food safety. Therefore, in recent years, it has focused on promoting the addition of methanol. The main source of methanol ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/02C10L1/10C10L1/182
CPCY02E50/13Y02E50/10
Inventor 刘粤荣陈方
Owner 刘粤荣
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