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Method for improving biodiesel antioxygen property

A technology of biodiesel and performance, applied in the petroleum industry, liquid carbon-containing fuel, fuel, etc., can solve the problems of increasing production costs and corrosion of equipment

Active Publication Date: 2009-01-28
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] US20060096159 discloses treating crude biodiesel with a strong acid such as sulfuric acid to improve the stability of biodiesel, but using this method will corrode the equipment and increase the production cost

Method used

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  • Method for improving biodiesel antioxygen property
  • Method for improving biodiesel antioxygen property
  • Method for improving biodiesel antioxygen property

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～6

[0150] The present embodiment illustrates the composition of the arylamine antioxidant compound of the present invention, as shown in Table 1:

[0151] Table 1

[0152]

Embodiment 7

[0154] The present embodiment illustrates the antioxidant effect of aromatic amine antioxidant shown in the present invention in the biodiesel produced from certain palm oil, as shown in table 2:

[0155] Table 2

[0156]

[0157] It can be seen from Table 2 that the oxidation stability of biodiesel produced from palm oil is significantly improved by adding the aromatic amine antioxidant shown in the present invention, reaching the required value of the standard.

Embodiment 8

[0159] This embodiment illustrates the antioxidant effect of the aromatic amine antioxidant of the present invention in the biodiesel produced from certain rapeseed oil, as shown in Table 3:

[0160] table 3

[0161]

[0162] It can be seen from Table 3 that the oxidation stability of biodiesel produced from rapeseed oil is also significantly improved by adding the aromatic amine antioxidant shown in the present invention, reaching the required value of the standard.

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PUM

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Abstract

The invention provides a method for enhancing the anti-oxygen performance of biodiesel, which comprises the following steps: an arylamine antioxidant with the content of 20 to 20000mg / kg is added into the biodiesel. The arylamine antioxidant is selected from at least one of naphthylamine derivative, diphenylamine derivative, ursol derivative and quinoline derivative. According to the method provided by the invention, a phenol antioxidant can also be added into the biodiesel, and the mass ratio between the phenol antioxidant and the arylamine antioxidant is 1:0.05 to 20. The method provided bythe invention can obviously improve the oxidative stability of the biodiesel.

Description

technical field [0001] The invention relates to a method for improving the anti-oxidation performance of biodiesel. Background technique [0002] With the acceleration of dieselization of vehicles worldwide, the demand for diesel will increase. The depletion of petroleum resources and the improvement of people's awareness of environmental protection have greatly promoted the development of diesel alternative fuels in countries around the world. Biodiesel It has been valued by various countries for its superior environmental protection performance and renewability. [0003] Biodiesel (BD100), also known as fatty acid methyl ester (Fatty Acid Methyl Ester), is made from oil crops such as soybeans and rapeseeds, oil-bearing forest fruits such as oil palm and pistachio, engineering microalgae and other oil-bearing aquatic plants, animal fats, and waste Catering oil, etc. are used as raw materials, and alcohols (methanol, ethanol) are obtained through transesterification reactio...

Claims

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Application Information

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IPC IPC(8): C10L1/223
Inventor 蔺建民李率张永光
Owner CHINA PETROLEUM & CHEM CORP
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