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Use of dispersions of iron particles as fuel additive

A technology of fuel additives and dispersions, which is applied in the direction of fuel additives, liquid carbon-containing fuels, fuels, etc., and can solve the problems of reduced oxidation resistance of fuels

Inactive Publication Date: 2015-05-27
RHODIA OPERATIONS SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The presence of FBCs in fuels can sometimes lead to reduced oxidation resistance of the fuel, especially when the fuel contains biofuels

Method used

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  • Use of dispersions of iron particles as fuel additive
  • Use of dispersions of iron particles as fuel additive
  • Use of dispersions of iron particles as fuel additive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0172] Example 1: Preparation of iron particles in crystalline form (according to the invention)

[0173] Preparation of solutions of iron precursors

[0174] Prepare 1 liter of solution in the following manner: 576 g Fe(NO 3 ) 3 with 99.4g FeCl 2 .4H 2 O mix. The mixture was completed with distilled water to obtain 1 L of solution. The final concentration of the iron precursor solution was 1.5 mol / L Fe.

[0175] Prepare Soda Solution

[0176] A 6 mol / L NaOH solution was prepared as follows: 240 g of soda flakes were diluted with distilled water to obtain 1 liter of solution.

[0177] In a 1-liter reactor equipped with a stirring system, a solution consisting of 400 ml of 3 mol / L sodium nitrate solution was introduced to the bottom of the tank. Add a few drops of 6 mol / L soda to adjust the pH of the solution to 13. A precipitate was formed by simultaneously adding the previously prepared iron precursor solution and the soda solution. The flow rates at which thes...

Embodiment 4

[0193] Example 4: Characterization of Iron Particle Dispersions

Embodiment 41

[0194] Example 4.1: X-ray Diffraction (XRD)

[0195] XRD analysis was performed according to the instructions given in the description.

[0196] It can be seen that the peaks of the diffraction patterns of the dispersion of Example 1 and the dispersion of Comparative Example 2 actually correspond to the XRD characteristics of the diffraction peaks of the crystalline magnetite phase and / or maghemite phase (Worksheet ICDD01-088- 0315).

[0197] The diffractogram of the dispersion of Comparative Example 3 does not have any distinct peaks, allowing conclusions to be drawn about the amorphous morphology of the iron phase.

[0198] Calculation of the crystallite size according to the method shown above yields a compatible crystallite size of 4 nm for Example 1 and an incompatible crystallite size of 9 nm for Comparative Example 2.

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Abstract

The present invention relates to the use of dispersions including an organic phase, at least one amphiphilic agent and solid objects based on particles of an iron compound in the crystallized form with a small size, as a fuel additive.

Description

technical field [0001] The present invention relates to the application of organic dispersion (organosol) as fuel additive for internal combustion engines. Background technique [0002] During the combustion of fuel, especially gas oil, in a diesel engine, carbonaceous products tend to form carbonaceous particles, which will be designated in the following description by the expression "soot", and these carbonaceous particles are said to be Harmful to the environment and to health. Technologies that can reduce soot emissions have been sought for a long time. [0003] A satisfactory solution is to introduce a particle filter (or PF in the following) into the exhaust line, which will block the soot in the channel so that the gas is discharged without any soot. When the soot accumulated in the PF reaches a certain amount, the soot is burned to make the passage of the PF unblocked. The step of regenerating the PF is usually done at a temperature higher than that of the gases d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/10C10L10/02
CPCC10L1/10C10L1/1608C10L1/1616C10L1/1881C10L1/1883C10L10/02C10L10/06
Inventor L·达伦康M·拉列曼德V·哈尔利
Owner RHODIA OPERATIONS SAS