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INVENTION
Russian Federation Patent RU2061736
Hydrocarbon fuel composition
For internal combustion engines with spark IGNITION
Name of the inventor: Demyanenko EA .; Tverdohlebov VP .; Caribbean AK .; Sachivko AV .; Verkhusha VI .; Seredyuk FS .; Yaskin VP
The name of the patentee: Joint Stock Company "Achinsk Refinery"
Address for correspondence:
Starting date of the patent: 1994.05.11
The inventive fuel composition for the internal combustion engine based on the hydrocarbon fuel contains 0,001-0,018% (alpha-hydroxyisopropyl) ferrocene; 0-6,0% methyl tert-butyl ether and 0-0,55% N-methylaniline.
DESCRIPTION OF THE INVENTION
The invention relates to the refining industry, namely to the production of fuel compositions (TC) for internal combustion engines with spark ignition of a fuel mixture based on hydrocarbon fuels containing as methyl tertiary butyl ether octane additives (MTBE), N -metilanilin and (a -gidroksiizopropil) ferrocene.
Known fuel compositions containing additives as octane methyl tertiary butyl ether (1), N -metilanilin (2) equivalents, (a - hydroxyisopropyl) ferrocene (3) -prototip.
Currently, the most promising of TC component for internal combustion engines with spark ignition is methyl tertiary butyl ether (MTBE). The use of MTBE as part of TC tracks (TK-analogue (1)) allows to solve issues related to the increase of the octane number of the base hydrocarbon composition, reduced formation of carbonaceous sooth cylinder internal combustion engine, and a decrease in emissions of toxic combustion products such as carbon monoxide and nitrogen oxides.
The disadvantage of LC-analog (1) is a relatively high flow rate of MTBE and 20%, which, in particular, requires an adjustment base TC fractional composition.
The fuel composition analogue (2) to increase the octane number of a hydrocarbon base comprising N -metilanilin TC at concentrations up to 2%
The disadvantage of LC-analog (2) is elevated gum formation during storage TK containing N-methylaniline and deposition of carbonaceous carbon deposits in internal combustion engine cylinders at a content of 2% or more in the composition -metilanilina N TC, and increased toxicity and most of the fuel composition.
The closest to the claimed is TK TK containing as octane additives (a -gidroksiizopropil) ferrocene in a concentration of 0.02% TC prototype. Use of (a -gidroksiizopropil) ferrocene allows along with increased octane TC base composition to improve the combustion products by reducing the content of carbon monoxide and nitrogen oxides.
The disadvantage of the prototype is TC deposition of iron oxides in the cylinders of the internal combustion engine and a spark plug that prevents the use of (a-hydroxyisopropyl yl) ferrocene in concentrations above 0.02%
The aim of the invention is to provide a TC for internal combustion engines with spark ignition of a fuel mixture based on hydrocarbon fuels, known high-octane components and additives reduces the costs of components and high-octane additives. The goal is achieved using as a high-octane component of MTBE as an octane and additives (antiknock) N -metilanilina and (a hydroxyisopropyl) ferrocene.
BRIEF DESCRIPTION Examples related to TK motor gasoline AI-93, AI-91, A-76 shown in Table 1; Table 2 shows the basic technical characteristics of hydrocarbon compositions; Table 3 contains the requirements for the octane number of motor gasoline AI-93, AI-91 and A-76.
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1. The lower dosage levels of MTBE (0.0%) corresponds to the TC-prototype (3) and substantiated examples 8-12; 28-31; 46-50;
The upper dose level of MTBE (6.0%) substantiated examples 27,7,45 and is 85,7-66,7% of the analog level (1) (see. Examples 22,7,40).
Examples 4-6;
13-20;
24-26;
32-38;
42-44;
51-57;
refer to the medium-dose MTBE 0.5-4.0%
2. Lower dosage level N-methylaniline (0.0%) corresponds to the prototype TC (2) examples 4-7 and justified; 24-27; 42-45.
The upper level dose N-methylaniline substantiated examples of 50,12,31 and 77,8-80,0% of the analog level (2) (see. Examples 41,3,23).
Examples 8-11;
28-30;
32-38;
46-49;
51-57 relate to the medium dose N-methylaniline 0.05-0.5%
3. The lower dose level (a hydroxyisopropyl) ferrocene (0.001%) corresponds to a dose (of a- hydroxyisopropyl) ferrocene in TC - prototype (3) and substantiated examples 7,12,14,17,27,31,33,35,45, 50.52.
The top dose level (a hydroxyisopropyl) ferrocene (0.018%) substantiated examples 8,24,28,46 and 90% from the prototype level (3) (see. Examples 1,21,39).
Examples 5-6, 9-11,13,15,16,18,19,20,25,26,29,30, 32,34,36,37,38,42-44,47-49,51,53 , 55-57 belong to the medium dose (a- hydroxyisopropyl) ferrocene 0,002- 0,015%
The data presented in Table 1 show that in the claimed dosage TC: MTBE 0 o C6% N-methylaniline 0 o C0,55% (a - hydroxyisopropyl) ferrocene 0,001-0,018% reduces the total flow rate of said octane additives compared to consumption, taking place at their separate use (see examples 1-3;. 21-23; 39-41). So use the stated TK reduces the total consumption of the components to the (65,0 o C92,5% (see. 5,6,11,14,18,19,44,52,57,48 examples).
Thus, a feature of the claimed TC, TC compared to the prototype (3) and TK analogs (1,2) is to have a positive synergistic effect which allows to obtain equal technical effect (increase octane hydrocarbon base TC) at lower total costs octane components.
Industrial Applicability The claimed TC is mixed MTBE, N and -metilanilina (a hydroxyisopropyl) ferrocene and a base hydrocarbon composition. This process step may be carried out using standard manufacturing equipment used for the introduction of TK antiknock, antioxidant, suppressant, etc. and icing. Kinds of additives. Practical use claimed TC provides improved antiknock properties of the base hydrocarbon composition reduces the octane additive consumption, requires no modifications to the internal combustion engine, and reduces the toxicity of the combustion products TC.
CLAIM
The hydrocarbon fuel composition for internal combustion engines with spark ignition based on the addition of hydrocarbon fuel (a - hydroxyisopropyl) ferrocene, characterized in that it further comprises methyl tert-butyl ether and / or N-methylaniline in the following ratio, wt.
- Methyl tert-butyl ether is not more than 6.0, or N-methylaniline is not more than 0.55
- (A -gidroksiizopropil) ferrocene 0.001 0.018
- The hydrocarbon fuel to 100
print version
Publication date 07.04.2007gg
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