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A method for improving low-temperature dispersibility of biomass fuel soot particles

A technology of biomass fuel oil and soot particles, which is applied in the direction of fuel, petroleum industry, fuel additives, etc., can solve problems such as oil thickening, and achieve the effect of improving low temperature dispersion and solving the problem of oil thickening.

Inactive Publication Date: 2018-07-06
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to provide a method for improving the low-temperature dispersibility of biomass fuel soot particles, thereby solving the oil thickening problem caused by biomass fuel soot, and laying the foundation for the engine oil formula of biomass fuel engines to promote biomass fuel oil production. Application of fuel oil as an alternative fuel for engines

Method used

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  • A method for improving low-temperature dispersibility of biomass fuel soot particles
  • A method for improving low-temperature dispersibility of biomass fuel soot particles
  • A method for improving low-temperature dispersibility of biomass fuel soot particles

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Effect test

Embodiment 1

[0019] Preparation containing biomass fuel soot particle concentration 2.0wt%, calcium salt cleansing and dispersing agent T106, T109, T115B mass concentration are respectively 0, 1%, 2%, 3%, 4%, 5% liquid paraffin (lubricating oil base Oil simulant) oil sample, after fully mechanically stirred, ultrasonically dispersed at 45kHz, 300W for 10min, and then magnetically stirred at 20°C for 24h to make the system dispersion and adsorption reach equilibrium, and the soot was evenly dispersed, ready for use.

Embodiment 2

[0021] Preparation containing biomass fuel soot particle concentration 2.0wt%, amine ashless dispersant T154, T161 mass concentration are 0,1%, 2%, 3%, 4%, 5% liquid paraffin (lubricating oil base oil simulant ) oil sample, after fully mechanically stirring, ultrasonically disperse at 45kHz, 300W for 10min, then magnetically stir at 20°C for 24h to make the dispersion and adsorption of the system reach equilibrium, and the soot is evenly dispersed, ready for use.

Embodiment 3

[0023] Prepare biomass-containing fuel soot particle concentration of 2.0wt%, and composite detergent and dispersant T161+T109 (T161 and T109 in a mass ratio of 1:1) with a total mass concentration of 0, 1%, 2%, 3%, and 4% , 5% liquid paraffin (lubricating oil base oil simulant) oil sample, after fully mechanical stirring, ultrasonically disperse at 45kHz, 300W for 10min, and then magnetically stir at 20°C for 24h to make the system dispersion and adsorption reach equilibrium, and the soot is evenly dispersed ,stand-by.

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Abstract

The invention discloses a method for improving low temperature dispersibility of biomass fuel soot particles. A lubricating oil amide ash-less dispersant and a calcium salt purification dispersant are uniformly dispersed in lubricating base oil so that low temperature dispersibility of the biomass fuel soot particles in the lubricating oil is improved and the biomass fuel soot-caused by oil thickening problems are solved. Through use of the appropriate dispersant in the lubricating base oil, low temperature dispersibility of the biomass fuel soot particles is improved and use of the biomass fuel as engine alternative fuel is promoted.

Description

technical field [0001] The invention relates to a method for improving the low-temperature dispersibility of biomass fuel soot particles, which belongs to the field of lubricating oil additives. Background technique [0002] With the gradual improvement of environmental protection requirements, heavy-duty diesel engines often use engine fuel delay injection technology and exhaust gas recirculation (EGR) technology to reduce vehicle exhaust pollutant emissions, which makes the content of soot pollutants in engine oil higher and higher. Causes a series of hazards: increased wear of key components, rapid increase in oil viscosity, accelerated oil oxidation and base value consumption, oil filter clogging, sludge formation, etc. (Tribology Letters, 2014, 55:329–341), reducing carbon The main way of smoke pollution hazard is to improve the dispersing ability of lubricating oil to soot, and the industry mainly solves this problem by adding various detergents and dispersants. [00...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M161/00C10N30/04
CPCC10L10/18C10L2270/02C10M161/00C10M165/00C10M2217/024C10M2219/044C10M2219/046C10N2030/04
Inventor 胡献国刘天霞徐玉福
Owner HEFEI UNIV OF TECH
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