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Low-temperature fluidity improver for diesel oil

A technology of low temperature fluidity and flow improver, applied in the field of low temperature fluidity improver and diesel fuel additive, can solve the problem of reducing diesel cold filter point, etc., and achieve the effect of improving susceptibility and pour point reducing effect, simple preparation and good market value.

Active Publication Date: 2012-11-07
山东京博众诚清洁能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the singleness problem of diesel oil low-temperature flow improver in the existing petrochemical industry, and provides a composite low-temperature flow improver for diesel, in particular to a composite low-temperature flow improver for diesel that can significantly reduce the cold filter point of diesel, The low-temperature fluidity improver is mainly prepared by uniformly mixing T1804 series low-temperature flow improvers, aromatic compounds, non-ionic surfactants, esters, and polar nitrogen-containing compounds.

Method used

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  • Low-temperature fluidity improver for diesel oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The specific component distribution ratio of the low-temperature fluidity improver is: 75g of T1804B low-temperature flow improver, 8g of aromatic compound-toluene, 15g of non-ionic surfactant Span-Span 80, 6g of another non-ionic surfactant Agent Tween-Tween 81, 3g ester compound-ethyl acetate, 5g polar nitrogen-containing compound-triethanolamine.

[0024] The specific preparation process is: first add T1804 series low-temperature flow improver, then sequentially add non-ionic surfactant Span, Tween, polar nitrogen-containing compound, ester compound, and finally add aromatic compound to the prescription amount, stir and mix thoroughly to obtain compound product.

Embodiment 2

[0026] The specific component distribution ratio of the slow-release antiscalant is: 60g of T1804 low-temperature flow improver, 1g of aromatic compound-xylene, 5g of non-ionic surfactant Span-Span 85, 1g of another non-ionic surface active agent Active agent Tween—Tween 80, 0.5g ester compound—butyl acetate, 0.5g polar nitrogen compound—triethylenetetramine.

[0027] The specific preparation process is: first add T1804 series low-temperature flow improver, then sequentially add non-ionic surfactant Span, Tween, polar nitrogen-containing compound, ester compound, and finally add aromatic compound to the prescription amount, stir and mix thoroughly to obtain compound product.

Embodiment 3

[0029] The specific component distribution ratio of the slow-release antiscalant is: 90g of T1804 low-temperature flow improver, 10g of aromatic compound-cyclohexane, 20g of non-ionic surfactant Span-Span 80, 10g of another non-ionic Surfactant Tween—Tween 81, 5g ester compound—isobutyl acetate, 8g polar nitrogen compound—tetraethylenepentamine.

[0030] The specific preparation process is: first add T1804 series low-temperature flow improver, then sequentially add non-ionic surfactant Span, Tween, polar nitrogen-containing compounds, and organic esters, and finally add aromatic compounds to the prescription amount, and fully stir and mix to obtain compound product.

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Abstract

The invention relates to the technical field of chemical industry, and relates to a low-temperature fluidity improver for diesel oil, in particular to the low temperature fluidity improver for diesel oil, which is capable of significantly reducing the cold filter plugging point of the diesel oil. The low-temperature fluidity improver is obtained by compounding a proper main agent and proper auxiliary agents and then uniformly mixing. The low-temperature fluidity improver with the ratio is better in sensitivity for most of diesel oil, and particularly can reach better decompression effect for the diesel with higher wax content and narrower boiling range.

Description

technical field [0001] The invention relates to the technical field of petrochemical industry, relates to a diesel additive, in particular to a low-temperature fluidity improver capable of significantly reducing the cold filter point of diesel. Background technique [0002] With the development of the economy and the requirements of environmental protection, the application of diesel engines will be more and more. Now diesel engines are mainly used in trucks in developing countries, and diesel engines are also used in passenger cars in many developed countries. Therefore, the demand for diesel as an energy-saving fuel continues to increase, and the research on the low-temperature fluidity of diesel is particularly important. [0003] However, diesel oil will precipitate crystals at low temperatures, and the crystals will block the filter screen when they grow to a certain extent, so that the entire diesel engine cannot be used. Therefore, how to improve the low-temperature f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/197C10L1/222C10L1/19C10L10/14
Inventor 王雪史庆苓马韵升牟庆平高洪奎
Owner 山东京博众诚清洁能源有限公司
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