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Diesel cetane number improver composition and diesel containing the same

A technology of cetane number and composition, which is applied in the field of diesel cetane number improver composition, can solve problems such as cetane number decrease and influence on diesel quality, so as to increase cetane number, improve power performance and Economic performance, the effect of reducing NOX emissions

Active Publication Date: 2009-07-01
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Tert-butyl hydroperoxide, di-tert-butyl peroxide, polyalkyl peroxide, etc. can be mixed with diesel oil in any proportion, but in the actual application process or in the storage process, the use of such organic peroxides The cetane number of improver diesel will decrease with time, thus affecting the quality of diesel

Method used

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  • Diesel cetane number improver composition and diesel containing the same
  • Diesel cetane number improver composition and diesel containing the same
  • Diesel cetane number improver composition and diesel containing the same

Examples

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Embodiment 1

[0035] This example is used to illustrate the diesel cetane number improver composition provided by the present invention, the diesel containing the composition and the preparation method thereof.

[0036] Mix 0.7 g of 1,1-bis(tert-butylperoxy)cyclohexane with 0.1 g of N-ethoxyaniline to obtain the diesel cetane number improver composition provided by the present invention.

[0037] All the diesel oil cetane number improver composition was added to 1000 grams of diesel fraction (base oil A) with a boiling range of 180-350° C. and a cetane number of 42.2, and mixed uniformly to obtain the above composition containing 0.08% by weight. diesel fuel samples.

Embodiment 2

[0042] This example is used to illustrate the diesel cetane number improver composition provided by the present invention, the diesel containing the composition and the preparation method thereof.

[0043] Get 1.4 grams of 2,2-bis(tert-butyl peroxy)butane and 0.1 grams of N-acetyl p-ethoxyaniline and add it to 1000 grams of diesel fraction with a boiling range of 180-350°C and a cetane number of 42.2 (Base oil A) and mixed uniformly to obtain a diesel sample with a total content of 2,2-bis(tert-butylperoxy)butane and N-acetylethoxy-p-aniline of 0.15% by weight.

Embodiment 3

[0048] This example is used to illustrate the diesel cetane number improver composition provided by the present invention, the diesel containing the composition and the preparation method thereof.

[0049] Get tert-butyl peroxybenzoate 1.0 gram, tetradecyl dimethyl tertiary amine 0.2 gram joins in 1000 gram boiling ranges and is 180-350 ℃, in the diesel fraction (base oil A) of cetane number 42.2, Mix evenly to obtain a diesel sample with a total content of tert-butyl peroxybenzoate and tetradecyldimethyl tertiary amine of 0.12% by weight.

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Abstract

The invention relates to a diesel oil cetane number improving agent composition, which contains organic peroxide and organic amine. The invention also provides diesel oil, and the cetane number improving agent adopted by the diesel oil is the diesel oil cetane number improving agent composition provided by the invention. The diesel oil cetane number improving agent composition overcomes the defect that the cetane number of the diesel oil using the organic peroxide cetane number improving agent composition goes down along the time, and effectively improves the cetane number of the diesel oil and keeps the stability thereof. The diesel oil cetane number improving agent composition can be applied to light diesel oil, heavy diesel oil, Fischer-Tropsch diesel oil and boiler fuel oil. The diesel oil added with the diesel oil cetane number improving agent composition has the improved diesel oil cetane number which has stability, thus the combustion performance is improved, the power performance and the economical performance of an engine are improved, and the tail gas emission pollution of the engine is improved.

Description

technical field [0001] The invention relates to a diesel cetane number improver composition and diesel oil containing the diesel cetane number improver composition. Background technique [0002] With the increase of diesel consumption, the quality of diesel is also higher and higher, especially the cetane index of diesel is higher and higher. The cetane number is an important indicator of diesel combustion performance, which has an impact on engine cold start, exhaust emissions and combustion noise. my country's national standard for diesel oil requires that the cetane number of light diesel oil is not less than 45, and the cetane number of light diesel oil produced from intermediate crude oil or mixed with catalytic components is allowed to be not less than 40. The average cetane number of diesel oil in the world is around 50, which is roughly the same as that in my country. The main factor affecting the cetane number of diesel oil is the composition of diesel blending co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L10/12C10L1/22C10L1/18
Inventor 黄燕民舒兴田王利蔺建民
Owner CHINA PETROLEUM & CHEM CORP
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