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Palm oil/ethanol/PODE mixed fuel suitable for diesel engine

A mixed fuel, PODE12% technology, applied in the direction of fuel, liquid carbon-containing fuel, petroleum industry, etc., can solve problems such as palm oil/ethanol/PODE blended fuels that have not been reported, so as to promote the oil-gas mixing process and reduce environmental load , the effect of reducing emissions

Inactive Publication Date: 2020-06-26
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] There is no report on palm oil / ethanol / PODE blended fuel

Method used

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  • Palm oil/ethanol/PODE mixed fuel suitable for diesel engine

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preparation example Construction

[0027] The preparation method of the fuel of the present invention includes the following steps: measure each component according to the volume ratio, first add ethanol to palm oil to form a mixed solution that is not completely miscible, and then add PODE to the mixed solution under stirring and mix evenly to obtain a blend mixed fuel. This blended fuel is recommended to be blended at a temperature range of 30°C-60°C.

[0028] The kinematic viscosity of the novel mixed fuel containing ethanol provided by the invention is 2.39-3.28mm 2 / s, meeting the fuel viscosity range of 2.0-4.5mm suitable for traditional diesel engines 2 / s.

[0029] The novel mixed fuel provided by the invention, palm oil / ethanol / PODE has good mutual solubility, and the obtained mixed fuel has no stratification during long-term storage.

[0030] At 40°C, when the blending ratio of ethanol is between 10% and 90%, the miscibility of palm oil and ethanol cannot be realized. but from figure 1 It can be ...

Embodiment 1

[0033] Ethanol 26.5L, palm oil 17.5L, PODE 6L.

[0034] Described palm oil is commercially available grade 24 degree palm oil.

[0035] The ethanol mass percentage concentration is 99.5%.

[0036] The PODE is a mixture of PODE3-6.

[0037] Configuration method: first add ethanol to palm oil to form an incomplete miscible mixture, then add PODE to the mixture under stirring and mix evenly to obtain a blended fuel mixture.

[0038] Tested: kinematic viscosity is 3.28mm 2 / s, to meet the requirements of diesel engines.

Embodiment 2

[0040] Ethanol 31.5L, palm oil 13.5L, PODE 5L.

[0041] Described palm oil is commercially available grade 24 degree palm oil.

[0042] The ethanol mass percentage concentration is 99.5%.

[0043] The PODE is a mixture of PODE 3-6.

[0044] The configuration method is the same as in embodiment 1

[0045] Tested: kinematic viscosity is 2.21mm 2 / s, to meet the requirements of diesel engines.

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Abstract

The invention discloses palm oil / ethanol / PODE mixed fuel suitable for a diesel engine. The palm oil / ethanol / PODE mixed fuel comprises, by volume, 53-67% of ethanol, 27-35% of palm oil and 4-12% of PODE. The obtained mixed fuel is stable and homogeneous, and the overall viscosity of the system meets the requirements of traditional diesel fuel. By adding ethanol, the combustion efficiency can be improved, and the emission of nitrogen oxides (NOx) and particulate matters (PM) can be reduced. The PODE not only can improve the overall cetane number of the mixed fuel and enable the combustion performance to be closer to that of diesel oil, but also can improve the oxygen content of the mixed fuel and reduce tail gas particulate matter emission to a certain extent.

Description

technical field [0001] The invention relates to the field of renewable alternative energy sources for internal combustion engines, in particular to a novel mixed fuel suitable for diesel engines. Background technique [0002] Palm oil is pressed from the fruit of the oil palm tree. Palm oil has the same advantages of oxidation stability and relatively low volatility as other vegetable oils, but the high viscosity and density of palm oil has become a prominent defect in its application as fuel. Therefore, long-term use of palm oil can lead to engine durability problems such as coking of fuel injectors, poor fuel atomization, higher NOx emissions, and sticking of piston rings. The use of palm oil as an alternative fuel to diesel has been slow to progress due to its high viscosity. [0003] At present, the main method of using palm oil as fuel is to produce biodiesel through transesterification. The blending of biodiesel with diesel and alcohols is mainly used in the prepara...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/02
CPCC10L1/02
Inventor 金超刘昕泰沙刘海峰耿振龙张曦媛
Owner TIANJIN UNIV
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