Method for mixing jatropha oil and petroleum diesel oil as diesel fuel

A petrochemical diesel and diesel engine technology, applied in the fuel, petroleum industry, liquid carbon-containing fuel and other directions, can solve problems such as increasing cost, and achieve the effects of improving low temperature performance, good safety and reducing cost

Inactive Publication Date: 2009-08-12
YUNNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Whether it is the modification of tung oil by transesterification or other processes, or the addition of alcohol and surfactants, the cost of using tung oil as biodiesel will increase

Method used

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  • Method for mixing jatropha oil and petroleum diesel oil as diesel fuel
  • Method for mixing jatropha oil and petroleum diesel oil as diesel fuel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1: The refined oil of tung tree is provided by Bioresource Innovation Company of Yuanyang County, Yunnan, and its linoleic acid content is greater than 30%. The production place of tung tree seeds is Nansha Town, Yuanyang County.

[0022] The above-mentioned tung tree seed refined oil was blended with No. 0 diesel oil, the former accounted for 20% of the total weight of the mixture, and the blended fuel oil 1 was obtained.

[0023] The above-mentioned tung tree seed refined oil was blended with No. 0 diesel oil, and the former accounted for 30% of the total weight of the mixture to obtain the blended fuel oil 2.

[0024] As a comparative test: No. 0 diesel oil, blended fuel 1, and blended fuel 2 are used as fuel for the diesel engine to run. The diesel engine model is 4100QBZ, the atmospheric temperature is 20-27°C, the atmospheric pressure is 936-950Pa, and the relative humidity is 70-90%.

[0025] The results show that the blended fuel 1 and blended fuel 2 ca...

Embodiment 2

[0027] Embodiment 2: The difference with embodiment 1 is that the refined oil of tung tree seeds accounts for 48% of the total weight of the blended fuel. Compared with No. 0 diesel oil, the average power of the engine is reduced by 5.8%, and other performance indicators are basically the same. This blended fuel can be used as fuel for agricultural tractors and the like.

Embodiment 3

[0028] Embodiment 3: The refined oil of tung tree seeds is blended with No. 0 diesel oil, and the former accounts for 50% of the total weight of the fuel mixture. Add different contents of commercially available rosemary extracts to the fuel mixture and measure the peroxide value of the fuel mixture rich in linoleic acid in different periods, measure 3 times in parallel, and do a control test (without adding rosemary extract), and its arithmetic mean was taken as the result. The results are shown in the table below.

[0029] Peroxide value of fuel mixtures with different contents of rosemary extract

[0030]

[0031] Measurement times n=3

[0032] The results show that the ability of rosemary extract to slow down the oxidation of fuel mixture has a dose-effect relationship with the amount of addition. Rosemary extract has a good antioxidant effect on fuel mixture, can inhibit its decay, rancidity and reduce the generation of free radical peroxides.

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Abstract

The invention discloses a method for blending tung oil and petrochemical diesel oil to make diesel engine fuel, belonging to the technical field of engine fuel. The mixture obtained by directly blending the unmodified tung tung seed refined oil with petrochemical diesel oil is used as a general fuel for diesel engines. The tung tung seed refined oil accounts for 10-50% of the total weight of the mixture, and alcohol and Surfactant. The technical solution is obtained on a solid experimental basis by overcoming the general technical biases of those skilled in the art. If 0.02%~0.2% of the total weight of the mixture is added with high-temperature natural antioxidants, such as rosemary extract, Yuanbao maple extract, Kezi extract, pine bark extract, etc., it can significantly slow down the oxidation of the mixture and prolong the Shelf life, so that the mixture after long-term storage still has good fluidity and combustion performance. The method of the invention greatly reduces the cost of using tung oil as biodiesel.

Description

technical field [0001] The invention belongs to the technical field of engine fuel oil, and in particular relates to a method for directly blending tung oil and petrochemical diesel oil as diesel engine fuel oil. Background technique [0002] The development and production of biodiesel is of great significance to the protection of the environment, the conservation of energy resources, and the implementation of sustainable development strategies. The existing biodiesel preparation process is generally to add methanol or ethanol to animal and vegetable oils, and carry out transesterification under high temperature (230-250° C.) and catalyst conditions. [0003] Jtropha curcas L., also known as Jatropha curcas, is a plant in dry and hot valley areas. It can be planted in large quantities on barren hills and slopes. It grows fast. Its seed yield is large and its oil content is high. It will be one of the important sources of biodiesel in my country . So far, technical personnel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/04C10L1/10
Inventor 李聪高永健欧灵澄胡泽祥
Owner YUNNAN UNIV
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