CN113293037A - Low-emission vehicle fuel - Google Patents
Low-emission vehicle fuel Download PDFInfo
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- CN113293037A CN113293037A CN202110490359.1A CN202110490359A CN113293037A CN 113293037 A CN113293037 A CN 113293037A CN 202110490359 A CN202110490359 A CN 202110490359A CN 113293037 A CN113293037 A CN 113293037A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/04—Liquid carbonaceous fuels essentially based on blends of hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/10—Use of additives to fuels or fires for particular purposes for improving the octane number
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/16—Hydrocarbons
- C10L1/1608—Well defined compounds, e.g. hexane, benzene
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
- C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
- C10L1/1824—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms mono-hydroxy
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/185—Ethers; Acetals; Ketals; Aldehydes; Ketones
- C10L1/1852—Ethers; Acetals; Ketals; Orthoesters
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid esters
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/232—Organic compounds containing nitrogen containing nitrogen in a heterocyclic ring
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
The invention relates to the technical field of vehicle fuel, in particular to low-emission vehicle fuel. The invention provides a low-emission vehicle fuel which comprises the following raw materials in parts by weight: 10-20 parts of monohydric alcohol, 30-45 parts of coal naphtha, 10-15 parts of n-octane, 10-20 parts of ethyl levulinate, 2-8 parts of 1-trityl imidazole, 1-3 parts of detergent and 0.5-2.3 parts of combustion improver; the detergent comprises 2-methylimidazole. The low-emission vehicle fuel has the characteristics of low exhaust emission, cleanness and environmental protection.
Description
Technical Field
The invention relates to the technical field of vehicle fuel, in particular to low-emission vehicle fuel.
Background
At present, the exhaust emission of motor vehicles has become a main pollution source in various cities in the world. Compared with gasoline vehicles, gasoline vehicles have more serious environmental pollution, and more vehicles and various internal combustion engines use gasoline as fuel. Because the carbon content of the gasoline is high, the gasoline can not be completely combusted only by using oxygen in the air as an antioxidant in the combustion process, so a great amount of black smoke is emitted, the oil consumption is increased, resources are wasted, and the environment is greatly polluted.
In order to solve the problem of increasingly exhausted petroleum energy, the alcohol-based fuel becomes the most potential novel renewable energy source as a substitute fuel, has the advantages of cleanness, sanitation, safety, environmental protection, convenient use, low price and the like, is favored by all countries, and becomes the latest new biological clean energy source encouraging development.
In order to solve these problems, many alcohol-based gasolines have been proposed, but many alcohol-based gasolines have problems due to the immaturity of the technology, and thus these alcohol-based gasolines cannot be used as complete substitutes for gasoline. Therefore, how to find a balance point in low exhaust emissions and finding fuels capable of replacing gasoline is a hot and urgent problem in research and development.
Disclosure of Invention
The invention aims to provide a low-emission vehicle fuel which has the characteristics of low exhaust emission, cleanness and environmental protection and can replace gasoline.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a low-emission vehicle fuel which comprises the following raw materials in parts by weight: 10-20 parts of monohydric alcohol, 30-45 parts of coal naphtha, 10-15 parts of n-octane, 10-20 parts of ethyl levulinate, 2-8 parts of 1-trityl imidazole, 1-3 parts of detergent and 0.5-2.3 parts of combustion improver;
the detergent comprises 2-methylimidazole.
Preferably, the feed comprises the following raw materials in parts by weight: 16-20 parts of monohydric alcohol, 35-40 parts of coal naphtha, 11-14 parts of n-octane, 14-18 parts of ethyl levulinate, 3-6 parts of 1-trityl imidazole, 1.5-2.5 parts of a detergent and 1.0-2.0 parts of a combustion improver.
Preferably, the monohydric alcohol comprises one or two of methanol, pentanol and isobutanol.
Preferably, the detergent further comprises ethylene glycol butyl ether.
Preferably, the mass ratio of the 2-methylimidazole to the ethylene glycol butyl ether is (15-30): (3-8).
Preferably, the mass ratio of the 2-methylimidazole to the ethylene glycol butyl ether is 22: 5.
Preferably, the combustion improver comprises dimethyl carbonate and ethyl tert-butyl ether.
Preferably, the mass ratio of the dimethyl carbonate to the ethyl tert-butyl ether is (10-28): (1-7).
Preferably, the mass ratio of the dimethyl carbonate to the ethyl tert-butyl ether is 19: 4.
The invention also provides a preparation method of the low-emission vehicle fuel, which comprises the following steps:
mixing monohydric alcohol, coal naphtha, n-octane, ethyl levulinate and 1-trityl imidazole, and adding a detergent and a combustion improver to obtain the low-emission vehicle fuel; the detergent comprises 2-methylimidazole.
The invention provides a low-emission vehicle fuel which comprises the following raw materials in parts by weight: 10-20 parts of monohydric alcohol, 30-45 parts of coal naphtha, 10-15 parts of n-octane, 10-20 parts of ethyl levulinate, 2-8 parts of 1-trityl imidazole, 1-3 parts of detergent and 0.5-2.3 parts of combustion improver; the detergent comprises 2-methylimidazole.
Compared with the prior art, the invention has the following excellent effects:
1. the vehicle fuel has lower tail gas emission, can directly replace gasoline for use under the condition of ensuring lower tail gas emission, and does not need to replace an engine;
2. the raw materials are reasonably compatible, and the flash point of the monohydric alcohol is improved by adding n-octane, ethyl levulinate, 2-methylimidazole and the like while the original functions of the detergent and the combustion improver are ensured;
3. the added n-octane, ethyl levulinate, 2-methylimidazole in the detergent and the combustion improver are selected, so that the lubricating oil can play a good role in lubricating, protect engine equipment, save engine combustion and simultaneously contribute to full combustion of fuel and reduce tail gas emission;
4. the fuel has higher anti-knock index, can improve the octane number of the vehicle fuel, prevent the detonation phenomenon in the cylinder and reduce the energy consumption;
5. the raw materials adopted by the invention can solve the problem of rubber swelling through synergistic effect, and effectively prevent the monohydric alcohol fuel from having swelling and cracking effects on materials of a gasoline supply system, such as rubber, plastics and the like, and influencing the service performance of the materials;
6. the fuel of the invention has simple formula.
Detailed Description
The invention provides a low-emission vehicle fuel which comprises the following raw materials in parts by weight: 10-20 parts of monohydric alcohol, 30-45 parts of coal naphtha, 10-15 parts of n-octane, 10-20 parts of ethyl levulinate, 2-8 parts of 1-trityl imidazole, 1-3 parts of detergent and 0.5-2.3 parts of combustion improver; the detergent comprises 2-methylimidazole.
In the present invention, all the raw material components are commercially available products well known to those skilled in the art unless otherwise specified.
The low-emission vehicle fuel comprises, by mass, 10-20 parts of monohydric alcohol, preferably 16-20 parts, more preferably 18-20 parts, and most preferably 20 parts. In the present invention, the monohydric alcohol preferably includes one or two of methanol, pentanol, and isobutanol; when the monohydric alcohol is more than two of the above specific choices, the present invention does not have any special limitation on the ratio of the specific substances, and the specific substances can be mixed according to any ratio. In the present invention, the monohydric alcohol functions to replace conventional fuels with renewable energy sources.
The low-emission vehicle fuel further comprises 30-45 parts of coal naphtha by mass of the monohydric alcohol, preferably 35-40 parts of coal naphtha, and more preferably 35 parts of coal naphtha by mass of the monohydric alcohol. In the invention, the coal naphtha is used for improving power and oil consumption.
The low-emission vehicle fuel further comprises 10-15 parts of n-octane, preferably 11-14 parts of n-octane, and more preferably 12-13 parts of n-octane according to the mass parts of the monohydric alcohol. In the present invention, the n-octane serves to increase the product octane number.
The low-emission vehicle fuel further comprises 10-20 parts of ethyl levulinate, preferably 14-18 parts of ethyl levulinate, and more preferably 15-16 parts of monohydric alcohol in parts by weight. In the present invention, the ethyl levulinate functions as product stability.
The low-emission vehicle fuel further comprises 2-8 parts of 1-trityl imidazole by mass, preferably 3-6 parts of 1-trityl imidazole, and more preferably 4-5 parts of monohydric alcohol. In the invention, the 1-trityl imidazole has the function of improving the intersolubility of all components.
The low-emission vehicle fuel further comprises 1-3 parts of a detergent, preferably 1.5-2.5 parts, and more preferably 2.5 parts by mass of the monohydric alcohol. In the present invention, the detergent comprises 2-methylimidazole, and preferably also comprises ethylene glycol butyl ether; the mass ratio of the 2-methylimidazole to the ethylene glycol butyl ether is preferably (15-30): (3-8), more preferably (20-25): (4-6), most preferably 22: 5. In the invention, the 2-methylimidazole has the function of improving the intersolubility of all components; the ethylene glycol butyl ether functions to improve the ignitability of the low-emission automotive fuel.
In the invention, the detergent can effectively remove carbon deposition in a nozzle, ensure good atomization performance and maintain engine performance and emission level.
The low-emission vehicle fuel further comprises 0.5-2.3 parts of combustion improver by mass of the monohydric alcohol, preferably 1.0-2.0 parts, and more preferably 1.5-1.6 parts. In the present invention, the combustion improver preferably includes dimethyl carbonate and ethyl t-butyl ether; the mass ratio of the dimethyl carbonate to the ethyl tert-butyl ether is preferably (10-28) to (1-7), and more preferably (15-20): (3-6), and most preferably 19: 4. In the present invention, the dimethyl carbonate functions to reduce the generation of vapor lock, and the ethyl tert-butyl ether functions to promote the octane number stability; the two components are used together to prolong the shelf life of the product.
The invention also provides a preparation method of the low-emission vehicle fuel, which comprises the following steps:
mixing monohydric alcohol, coal naphtha, n-octane, ethyl levulinate and 1-trityl imidazole, and adding a detergent and a combustion improver to obtain the low-emission vehicle fuel; the detergent comprises 2-methylimidazole.
In the present invention, the mixing of the monohydric alcohol, the coal naphtha, the n-octane, the ethyl levulinate and the 1-tritylimidazole is preferably performed under stirring conditions; the stirring time is preferably 30-60 min, and more preferably 40-50 min; the stirring speed is not limited in any way, and the stirring is carried out at a speed known to those skilled in the art, so as to ensure that the uniform mixing is realized at the stirring time.
In the present invention, the addition of the detergent and the combustion improver is preferably carried out under stirring conditions; the present invention does not impose any particular limitation on the manner of addition of the detergents and combustion improvers, and can be carried out by procedures well known to those skilled in the art.
In the present invention, after the process of adding the detergent and the combustion improver is completed, the present invention also preferably includes a process of continuing stirring; the stirring time is preferably 30-60 min, and more preferably 40-50 min; the rotation speed of the stirring is not particularly limited in the present invention, and may be a rotation speed known to those skilled in the art. After the stirring is finished, the invention also preferably comprises the steps of vacuumizing and standing in sequence; the standing time is preferably 15-24 h.
The low-emission vehicle fuel and the preparation method thereof provided by the present invention will be described in detail with reference to the following examples, which should not be construed as limiting the scope of the present invention.
Example 1
The raw materials comprise:
5 parts of amyl alcohol, 5 parts of isobutanol, 45 parts of coal naphtha, 10 parts of n-octane, 10 parts of ethyl levulinate, 8 parts of 1-tritylimidazole, 1 part of detergent (comprising 2-methylimidazole and ethylene glycol butyl ether in a mass ratio of 15: 3) and 0.5 part of combustion improver (comprising dimethyl carbonate and ethyl tert-butyl ether in a mass ratio of 13: 1);
the preparation process comprises the following steps: uniformly mixing coal naphtha, amyl alcohol, isobutyl alcohol, n-octane, ethyl levulinate and 1-trityl imidazole, stirring for 55min, adding a detergent and a combustion improver, continuously stirring for 30min, vacuumizing, and standing for 15h to obtain the low-emission vehicle fuel.
Example 2
The raw materials comprise:
10 parts of methanol, 10 parts of amyl alcohol, 40 parts of coal naphtha, 12 parts of n-octane, 12 parts of ethyl levulinate, 7 parts of 1-tritylimidazole, 1.2 parts of detergent (comprising 2-methylimidazole and ethylene glycol butyl ether in a mass ratio of 12: 4) and 0.8 part of combustion improver (comprising dimethyl carbonate and ethyl tert-butyl ether in a mass ratio of 10: 2);
the preparation process comprises the following steps: uniformly mixing coal naphtha, methanol, amyl alcohol, n-octane, ethyl levulinate and 1-trityl imidazole, stirring for 50min, adding a detergent and a combustion improver, continuously stirring for 35min, vacuumizing, and standing for 17h to obtain the low-emission vehicle fuel.
Example 3
The raw materials comprise:
15 parts of amyl alcohol, 40 parts of coal naphtha, 15 parts of n-octane, 14 parts of ethyl levulinate, 6 parts of 1-trityl imidazole, 1.7 parts of detergent (comprising 2-methyl imidazole and ethylene glycol butyl ether in a mass ratio of 20: 5) and 1.1 parts of combustion improver (comprising dimethyl carbonate and ethyl tert-butyl ether in a mass ratio of 22: 3);
the preparation process comprises the following steps: uniformly mixing coal naphtha, amyl alcohol, n-octane, ethyl levulinate and 1-trityl imidazole, stirring for 45min, adding a detergent and a combustion improver, continuing stirring for 40min, vacuumizing, and standing for 15h to obtain the low-emission vehicle fuel.
Example 4
The raw materials comprise:
17 parts of methanol, 44 parts of coal naphtha, 15 parts of n-octane, 15 parts of ethyl levulinate, 5 parts of 1-trityl imidazole, 2.6 parts of detergent (comprising 2-methyl imidazole and ethylene glycol butyl ether in a mass ratio of 17: 5) and 1.4 parts of combustion improver (comprising dimethyl carbonate and ethyl tert-butyl ether in a mass ratio of 15: 4);
the preparation process comprises the following steps: uniformly mixing coal naphtha, methanol, n-octane, ethyl levulinate and 1-trityl imidazole, stirring for 60min, adding a detergent and a combustion improver, continuing stirring for 45min, vacuumizing, and standing for 19h to obtain the low-emission vehicle fuel.
Example 5
The raw materials comprise:
10 parts of amyl alcohol, 10 parts of isobutanol, 41 parts of coal naphtha, 15 parts of n-octane, 16 parts of ethyl levulinate, 4 parts of 1-tritylimidazole, 2.3 parts of a detergent (comprising 2-methylimidazole and ethylene glycol butyl ether in a mass ratio of 20: 6) and 1.7 parts of a combustion improver (comprising dimethyl carbonate and ethyl tert-butyl ether in a mass ratio of 16: 5);
the preparation process comprises the following steps: uniformly mixing coal naphtha, pentanol, isobutanol, n-octane, ethyl levulinate and 1-trityl imidazole, stirring for 40min, adding a detergent and a combustion improver, continuously stirring for 50min, vacuumizing, and standing for 21h to obtain the low-emission vehicle fuel.
Example 6
The raw materials comprise:
10 parts of methanol, 8 parts of isobutanol, 45 parts of coal naphtha, 15 parts of n-octane, 15 parts of ethyl levulinate, 3 parts of 1-tritylimidazole, 2 parts of a detergent (comprising 2-methylimidazole and ethylene glycol butyl ether in a mass ratio of 18: 7) and 2 parts of a combustion improver (comprising dimethyl carbonate and ethyl tert-butyl ether in a mass ratio of 13: 7);
the preparation process comprises the following steps: uniformly mixing coal naphtha, methanol, isobutanol, n-octane, ethyl levulinate and 1-trityl imidazole, stirring for 35min, adding a detergent and a combustion improver, continuously stirring for 55min, vacuumizing, and standing for 22h to obtain the low-emission vehicle fuel.
Example 7
The raw materials comprise:
10 parts of methanol, 10 parts of amyl alcohol, 45 parts of coal naphtha, 13 parts of n-octane, 15 parts of ethyl levulinate, 2 parts of 1-trityl imidazole, 3 parts of a detergent (comprising 2-methyl imidazole and ethylene glycol butyl ether in a mass ratio of 15: 8) and 2 parts of a combustion improver (comprising dimethyl carbonate and ethyl tert-butyl ether in a mass ratio of 10: 6);
the preparation process comprises the following steps: uniformly mixing coal naphtha, methanol, amyl alcohol, n-octane, ethyl levulinate and 1-trityl imidazole, stirring for 30min, adding a detergent and a combustion improver, continuously stirring for 60min, vacuumizing, and standing for 24h to obtain the low-emission vehicle fuel.
Test example
The exhaust emission conditions of the low-emission vehicle fuels described in examples 1 to 7 are tested according to the standard of GB18352.3-2005, and the test results are shown in Table 1:
TABLE 1 Tail gas emission of the low emission automotive fuels described in examples 1 to 7 (in g/kw. h)
| Examples | CO | NOx | HC | PM |
| Example 1 | 0.060 | 0.325 | 0.019 | 0.001 |
| Example 2 | 0.049 | 0.300 | 0.018 | 0.001 |
| Example 3 | 0.056 | 0.315 | 0.023 | 0.002 |
| Example 4 | 0.067 | 0.345 | 0.026 | 0.002 |
| Example 5 | 0.054 | 0.305 | 0.020 | 0.001 |
| Example 6 | 0.063 | 0.355 | 0.028 | 0.002 |
| Example 7 | 0.035 | 0.301 | 0.017 | 0.001 |
As can be seen from Table 1, the low emission automotive fuel of the present invention has very low emissions.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The low-emission vehicle fuel is characterized by comprising the following raw materials in parts by mass: 10-20 parts of monohydric alcohol, 30-45 parts of coal naphtha, 10-15 parts of n-octane, 10-20 parts of ethyl levulinate, 2-8 parts of 1-trityl imidazole, 1-3 parts of detergent and 0.5-2.3 parts of combustion improver;
the detergent comprises 2-methylimidazole.
2. The low-emission vehicle fuel as claimed in claim 1, comprising the following raw materials in parts by mass: 16-20 parts of monohydric alcohol, 35-40 parts of coal naphtha, 11-14 parts of n-octane, 14-18 parts of ethyl levulinate, 3-6 parts of 1-trityl imidazole, 1.5-2.5 parts of a detergent and 1.0-2.0 parts of a combustion improver.
3. The low emission automotive fuel of claim 1 or 2, wherein the monohydric alcohol comprises one or both of methanol, pentanol, and isobutanol.
4. A low emission vehicle fuel as claimed in claim 1 or claim 2, wherein said detergent further comprises butyl glycol ether.
5. The low-emission vehicle fuel according to claim 4, wherein the mass ratio of the 2-methylimidazole to the butyl glycol ether is (15-30): (3-8).
6. The low emission vehicle fuel of claim 5, wherein the mass ratio of 2-methylimidazole to butyl glycol ether is 22: 5.
7. The low emission vehicle fuel of claim 1 or 2, wherein said combustion improver comprises dimethyl carbonate and ethyl t-butyl ether.
8. The low-emission vehicle fuel according to claim 7, wherein the mass ratio of the dimethyl carbonate to the ethyl tert-butyl ether is (10-28): (1-7).
9. The low emission vehicular fuel according to claim 8, wherein the mass ratio of the dimethyl carbonate to the ethyl t-butyl ether is 19: 4.
10. The method for preparing the low-emission vehicle fuel according to any one of claims 1 to 9, comprising the steps of:
mixing monohydric alcohol, coal naphtha, n-octane, ethyl levulinate and 1-trityl imidazole, and adding a detergent and a combustion improver to obtain the low-emission vehicle fuel; the detergent comprises 2-methylimidazole.
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| CN103642540A (en) * | 2013-12-27 | 2014-03-19 | 陕西宝姜新能源有限责任公司 | Energy-saving environment-friendly unleaded gasoline for coal-based vehicle |
| CN106753597A (en) * | 2016-11-30 | 2017-05-31 | 广西东奇能源技术有限公司 | The vehicle fuel of low-emission |
| CN110616092A (en) * | 2019-08-28 | 2019-12-27 | 刘明波 | High-cleanness gasoline fuel |
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