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Organic amide low-sulfur diesel oil lubrication additive and application thereof

A technology of additives and diesel oil, which is applied in the direction of fuel additives, petroleum industry, liquid carbon-containing fuels, etc., and can solve problems such as the influence of diesel engines

Active Publication Date: 2012-05-16
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] Some of the above existing additives contain oil-soluble metal titanium or magnesium, which instead add metal elements to diesel during use, which has a negative impact on diesel engines

Method used

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  • Organic amide low-sulfur diesel oil lubrication additive and application thereof
  • Organic amide low-sulfur diesel oil lubrication additive and application thereof
  • Organic amide low-sulfur diesel oil lubrication additive and application thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0049] This example is a blend of methyl glycol acetic acid monoethylenediamine amide and low-sulfur diesel oil.

[0050] Put 134.1 g of methyl glycol acetic acid and 60.1 g of ethylenediamine into the reaction kettle, add 1.5 g of boric acid, add 200 ml of toluene as a solvent, and reflux and dehydrate at 110-130° C. for 2 hours to obtain product 1. Take 8g of reaction product 1, add it to 1000g of low-sulfur diesel oil A, stir at 40-50°C for 30 minutes, fully dissolve reaction product 1 in low-sulfur diesel oil A, and obtain low-sulfur diesel oil containing 800mg / kg of reaction product 1 diesel fuel.

example 2

[0052] Step is the same as example 1, but raw material is 148.2 grams of ethyl glycol acetic acid and 60.1 gram of ethylenediamine, obtains product 2 and is ethyl glycol acetic acid monoethylenediamine amide. Low-sulfur diesel oil A containing 800 mg / kg of reaction product 2 was prepared.

example 3

[0054] Step is the same as example 1, but raw material is 162.2 gram propyl glycol acetic acid and 60.1 gram ethylenediamine, obtains product 3 and is propyl glycol acetic acid monoethylenediamine amide. Low-sulfur diesel oil A containing 400 mg / kg of reaction product 3 was prepared.

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PUM

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Abstract

The invention provides a diesel oil additive, which has a structure shown as the following general formula: R(OCH2CH2)nOCH2CONH(CH2CH2NH)mH or (OCH2CH2)nOCH2CONH(CH2CH2OH)m, wherein R is n-alkyl with 1-20 carbon atoms or isomeric alkyl with 6-20 carbon atoms; n is 1 or 2; and m is 0 or 1 or 2 or 3. The invention further provides a method for improving the lubricating performance of diesel oil. In the method, the diesel oil additive is added into diesel oil in the amount of 10-1,000mg / kg based on the weight of the diesel oil, so that the lubricating property of low-sulfur diesel oil of which the sulfur content is not greater than 350mg / kg can be improved remarkably, and the lubricating property index (HFRR) (High Frequency Reciprocating Rig) of the low-sulfur diesel oil is consistent with natural diesel oil standard requirements. Meanwhile, the diesel oil additive has the characteristics of high oil solubility, freeness from special peculiar smell, and the like.

Description

technical field [0001] The present invention relates to a diesel fuel additive alkyl glycol acetamide or alkyl diethylene glycol acetamide, a product obtained by reacting alkyl glycol acetic acid and / or alkyl diethylene glycol acetic acid with amines , and its application in low-sulfur diesel. Background technique [0002] Many countries and regions in the world have reduced the sulfur content of diesel to 10-500mg / kg to reduce pollutant emissions from diesel engines. At present, the sulfur content of diesel in my country is required to be no more than 2000mg / kg, but in Beijing, Shanghai, Guangzhou and other big cities, the sulfur content of diesel used is less than 50mg / kg. In order to remove sulfur during the processing of diesel, people use hydrofining to treat diesel and reduce the sulfur content of diesel. [0003] Advanced diesel fueling systems, including fuel pumps and fuel controllers, rely on pumped diesel to lubricate the various components. Natural sulfides an...

Claims

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Application Information

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IPC IPC(8): C10L1/224C10L10/08C10L1/04
Inventor 黄燕民蔺建民
Owner CHINA PETROLEUM & CHEM CORP