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Diesel light oil composition

a technology of light oil and diesel, which is applied in the petroleum industry, liquid carbonaceous fuels, fuel additives, etc., can solve the problems of diesel light oil fuel in which butanol is mixed also deteriorating ignitability, and achieve excellent ignitability

Inactive Publication Date: 2009-06-18
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a diesel light oil composition that contains butanol and has excellent ignitability. The composition includes a diesel light oil base material, butanol, butyl nitrate or butyl nitrite, and optionally butanol can be derived from fermented and distilled agricultural crops, reducing carbon dioxide emissions. The content of butanol should be between 9% and 20% by volume to achieve optimal ignitability and power output. The butyl nitrite or butyl nitrate content should be between 0.8% and 4% by volume to improve ignitability and reduce carbon dioxide emissions. The butyl nitrite or butyl nitrate can be synthesized from butanol and can further contribute to the reduction of carbon dioxide emissions.

Problems solved by technology

However, since butanol has a low ignitability, there is a disadvantage that a fuel in which butanol is mixed in the diesel light oil has also deteriorated ignitability.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0028]In this Example, a diesel light oil composition containing 90 v % of commercial light oil as the diesel light oil base material and 10 v % of butanol and 1 v % of butyl nitrite with respect to the total volume of the commercial light oil and butanol was prepared at first. That is, the diesel light oil composition of this Example contains 9.9 v / v % butanol and 0.99 v / v % butyl nitrite with respect to the total volume of the diesel light oil composition. In addition, the butanol is derived from plants serving as raw materials, and the butyl nitrite is derived from the butanol as a raw material.

[0029]Next, the ignitability of the obtained diesel light oil composition was tested. The ignitability test was carried out by using a fuel spray ignition analyzer (tradename: FIA-100; manufactured by Fuel Tech, Inc.) equipped with a fuel pressurizing device under the settings of a combustion chamber at a temperature of 500° C., a fuel injection pressure of 100 MPa and a pressure inside th...

example 2

[0032]Next, a diesel light oil composition containing of 90 v % of commercial light oil as the diesel light oil base material and 10 v % of butanol and 2 v % of butyl nitrite to the total of the commercial light oil and butanol was prepared. That is, the diesel light oil composition of this Example contains butanol in 9.8 v / v % and butyl nitrite in 2.0 v / v % with respect to the total volume of the diesel light oil composition.

[0033]Then, the ignitability of the diesel light oil composition prepared in this Example was tested totally in the same manner as in Example 1 and the discharged amount of carbon dioxide per calorific value in the diesel light oil composition of this Example was calculated. The results are shown in Table 1.

example 3

[0034]In this Example, a diesel light oil composition containing 80 v % of commercial light oil as the diesel light oil base material and 20 v % of butanol and 4 v % of butyl nitrite to the total of the commercial light oil and butanol was prepared. That is, the diesel light oil composition of this Example contains butanol in 19.2 v / v % and butyl nitrite in 3.8 v / v % with respect to the total volume of the diesel light oil composition.

[0035]Then, the ignitability of the diesel light oil composition prepared in this Example was tested totally in the same manner as in Example 1 and the discharged amount carbon dioxide per calorific value in the diesel light oil composition of this Example was calculated. The results are shown in Table 1.

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Abstract

To provide a diesel light oil composition having an excellent ignitability while containing butanol. The diesel light oil composition comprises a diesel light oil base material, butanol having a volume percentage in a range of 9% to 20% and butyl nitrate or butyl nitrite having a volume percentage in a range of 0.8% to 4%. It is preferable that the butanol is 20 v / v %, and the butyl nitrate or butyl nitrite is 4 v / v %. The butyl nitrite or butyl nitrate is derived from butanol as a material.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to a diesel light oil composition.[0003]2. Description of the Related Art[0004]In recent years, it has been demanded to reduce the discharged amount of carbon dioxide for the purpose of preventing the global warming, and various means to reduce the discharged amount of carbon dioxide have been proposed. As one of such means, it is known to use ethanol, butanol or the like obtained by fermentation and distillation of botanical materials, for example, agricultural crops such as sugar cane and corn as fuels or the like for vehicles.[0005]Carbon contained in the botanical materials comes from atmospheric carbon dioxide which has been absorbed through photosynthesis by plants serving as raw materials. Therefore, the amount of carbon dioxide discharged upon combustion of the botanical materials is equal to the amount of carbon dioxide which has been absorbed by the plants, and as a result, the di...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C10L1/23
CPCC10L10/12C10L1/23
Inventor HASHIMOTO, KOHTAROKUZUOKA, KOHEIKUROTANI, TADASHIKAMOI, YASUHARU
Owner HONDA MOTOR CO LTD
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