CN102127472A - Ether fuel - Google Patents
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- CN102127472A CN102127472A CN201010000713XA CN201010000713A CN102127472A CN 102127472 A CN102127472 A CN 102127472A CN 201010000713X A CN201010000713X A CN 201010000713XA CN 201010000713 A CN201010000713 A CN 201010000713A CN 102127472 A CN102127472 A CN 102127472A
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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
- C10L1/02—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
- C10L1/023—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only for spark ignition
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Abstract
The invention relates to a novel clean fuel, in particular to a clean ether fuel. The ether fuel contains dimethyl ether, methanol and castor oil. More specifically, the ether fuel can be formed by the dimethyl ether, the methanol and the castor oil only. The ether fuel can replace petrol to be used for automobiles, and other vehicles or power equipment which uses petrol engines. The invention also relates to a mixed fuel which contains the ether fuel and the petrol.
Description
Technical field
The present invention relates to a kind of novel clean fuel, particularly, a kind of ether fuel of cleaning.This ether fuel comprises dme, methyl alcohol and Viscotrol C.More specifically, this ether fuel can only be made up of dme, methyl alcohol and Viscotrol C.The invention still further relates to the propellant combination that comprises ether fuel of the present invention and gasoline.
Background technology
As everyone knows, oil is as a kind of non-renewable resource, plays a part indispensable in the social life of a country and national defense construction.Along with improving constantly of China's living standards of the people, automobile has progressed into common people's family.For example, Beijing has just entered the epoch of 4,000,000 automobiles now.Therefore, along with the increase of automobile pollution, the needs of gasoline are also being increased day by day.The crude production rate of China can not satisfy the flourish needs of domestic economy far away.Now, China becomes crude oil net importer from crude exports state, and most of crude oil of China is dependence on import all.The aggravation of this situation will seriously restrict further developing of China's economy, even can have influence on the national defense safety of China.Therefore, need find a kind ofly to need not to use petroleum, thereby also just need not vehicle fuel from external Imported oil.
In addition, along with popularizing of automobile, a large amount of exhaust emissionss make automobile bringing people's life simultaneously easily in atmospheric environment, also bring people's various diseases, particularly respiratory tract disease.In recent years, motor vehicle exhaust becomes the people's attention focus.In order to reduce the variety of issue that motor vehicle exhaust brings, countries in the world have proposed strict requirement to vehicle exhaust, comprise that there is related request in the U.S., and there is Europe IV standard in Europe, Japan has carried out allegedly the strictest standard, and China also is equivalent to the standard of Europe III or Europe IV in implementation.And each country will be strict further for the requirement of exhaust emissions.For example, each state formulation exhaust emission standard stricter than American National Standard separately agreed by the U.S..State IV standards has been carried out in advance at the eve that hosts the Olympic Games in Beijing, and will carry out state V standard as early as possible.Therefore, need a kind of clean fuel that can substitute present employed motor spirit, this fuel is when satisfying the function of motor spirit, and exhaust emissions is clean environment firendly more.
Benzene is the carcinogens of generally acknowledging, it because evaporation and burning, exhaust emissions enter atmosphere, brings direct influence to human beings'health in gasoline.Therefore, all this index is limited in European Union, Britain, Australia and the Russian gasoline standard, general provision is for being not more than 5% (v/v).According to Beijing's provincial standard, require the content of benzene to be not more than 1.0 volume %.But as environmental requirement, national governments and appropriate authority also may propose stricter restriction.
Aromatic hydrocarbons is a kind of gasoline blender with higher octane and high heating value.But can cause the formation of carcinogens benzene after its burning, and easily increase the carbon deposit of combustion chamber and increase CO
2Discharging.It is generally acknowledged that the content of benzene and other aromatic hydrocarbons is big more in the gasoline, then the benzene content in the products of combustion is big more.Therefore, aromaticity content will help environment because of the discharging that reduces benzene in the tail gas in the reduction gasoline.
China is a big coal country, and coal reserves is very abundant.With the abundant in coal resource conversion is that oil fuel is a research direction always.With coal conversion is that methyl alcohol, dme also are the important directions of present coal utilization.Units such as Shaanxi New-type fuel burner company have worked out ether-base gasoline additive, this additive comprises the dme of 5-37%, the low-carbon alcohol compounds of 10-60%, the C5-10 hydrocarbon compound of 10-50%, the alkylphenol of 0.1-5% is to the alkylphenol of Soxylat A 25-7 and 0.05-0.5%.This additive is mixed with gasoline, can produce ether-base composite gasoline.Chinese invention patent application CN98112948.X has also disclosed a kind of ether-base gasoline additive, and it is made up of following component: 15.5% dme, 42% methyl alcohol, 39% benzene, 3.3% alkylphenol polyoxyethylene and 0.2%2,6-ditertbutylparacresol.Influenced by this, the annual production of China's dme can reach millions of tons at present.Yet above-mentioned two kinds of ether-base gasoline additives are because the production cost height, and all contain a large amount of benzene, make the gasoline that is added with these two kinds of ether-base gasoline additives will can't satisfy in the existing gasoline standard requirement to benzene content at all.And, think that in gasoline adding benzene will inevitably cause also that benzene content sharply raises in the gasoline combustion product, thereby environment and human body are damaged.Now, numerous dme manufacturer is in limited production owing to the product marketing problem or stops production, and waits for the difficult condition of looking around.
Therefore, if can use dme to produce clean fuel, not only do not worry raw material sources, and can solve the present problem of these producers.
Though the standard of methanol gasoline is is now issued and implemented, because the substance characteristics of methyl alcohol makes methanol gasoline still have some problems: the one, methyl alcohol engine cold-start difficulty, burning poor with respect to the volatility of gasolene ingredient, that cause the use methanol gasoline is insufficient; The 2nd, the mutual solubility of methyl alcohol and gasoline is poor, and the quality guaranteed period is short, layering apt to deteriorate; The 3rd, substitute than low (promptly needing to use about 1.6-1.7 part methyl alcohol to substitute 1 part gasoline), the 4th, if do not change engine structure, methanol gasoline burns insufficient in available engine, the dynamic property deficiency.
Summary of the invention
In a first aspect of the present invention, the present invention relates to a kind of ether fuel, it comprises dme, methyl alcohol and Viscotrol C.
In the preferred implementation of this first aspect, the content of dme is the 4-12 weight part in this ether fuel, and the content of methyl alcohol is the 88-96 weight part, and wherein the gross weight of dme and methyl alcohol is 100 weight parts.Preferably, the content of dme is the 5-9 weight part in this ether fuel, and the content of methyl alcohol is the 91-95 weight part, and wherein the gross weight of dme and methyl alcohol is 100 weight parts.In this embodiment, can also comprise Viscotrol C in the above-mentioned ether fuel.Gross weight 100 weight parts with respect to dme and methyl alcohol, the Viscotrol C that can comprise 0.5～2 weight part in the ether fuel of the present invention, the Viscotrol C that preferably comprises 0.7～1.5 weight part, the Viscotrol C that more preferably comprises 0.8～1.2 weight part, the Viscotrol C that more preferably comprises 0.9～1.1 weight part more preferably comprises the Viscotrol C of 0.97～1.05 weight part.
In a kind of embodiment of this first aspect, above-mentioned ether fuel is made up of dme, methyl alcohol and Viscotrol C.
In a kind of embodiment of this first aspect, above-mentioned ether fuel is automobile fuel.
In a kind of embodiment of this first aspect, above-mentioned ether fuel is gasoline engine fuel.
In a second aspect of the present invention, the present invention relates to a kind of propellant combination, this propellant combination comprises the ether fuel and the gasoline of first aspect present invention.
In the preferred implementation of a second aspect of the present invention, the content of described ether fuel is the 1-99 weight % of described propellant combination gross weight.Further, the content of described ether fuel is the 10-90 weight % of described propellant combination gross weight.
In the preferred implementation of second aspect present invention, described gasoline is No. 90, No. 93, No. 97, No. 100, No. 103 gasoline (wherein No. 100, No. 103 gasoline are in also not commercial production of China).
In the preferred implementation of second aspect present invention, described gasoline is methanol gasoline or ethanol petrol.
In the preferred implementation of second aspect present invention, propellant combination of the present invention only is made up of above-mentioned ether fuel and gasoline.
That is, the present invention comprises following proposal at least.
1. an ether fuel comprises dme, methyl alcohol and Viscotrol C.
2. 1 ether fuel, wherein the content of dme is the 4-12 weight part, and the content of methyl alcohol is the 88-96 weight part, and the content of Viscotrol C is the 0.5-2 weight part, and the gross weight of dme and methyl alcohol is 100 weight parts.
3. 1 ether fuel, wherein the content of dme is the 5-9 weight part, and the content of methyl alcohol is the 91-95 weight part, and the content of Viscotrol C is the 0.5-2 weight part, and the gross weight of dme and methyl alcohol is 100 weight parts.
4. 1 ether fuel, wherein the content of dme is the 5-9 weight part, and the content of methyl alcohol is the 91-95 weight part, and the content of Viscotrol C is the 0.7-1.5 weight part, and the gross weight of dme and methyl alcohol is 100 weight parts.
5. 1 ether fuel, wherein the content of dme is the 5-9 weight part, and the content of methyl alcohol is the 91-95 weight part, and the content of Viscotrol C is the 0.8-1.2 weight part, and the gross weight of dme and methyl alcohol is 100 weight parts.
6. each ether fuel of 1-5, wherein said ether fuel is made up of dme, methyl alcohol and Viscotrol C.
7. each ether fuel of 1-6, wherein said ether fuel is automobile fuel.
8. each ether fuel of 1-7, wherein said ether fuel is gasoline engine fuel.
9. propellant combination comprises each ether fuel and gasoline of a 1-8.
10. 9 propellant combination, the content of wherein said ether fuel is the 1-99 weight % of described propellant combination.
11. the propellant combination of item 9, the content of wherein said ether fuel is the 10-90 weight % of described propellant combination.
12. each propellant combination of 9-11, wherein said gasoline is No. 90, No. 93, No. 97, No. 100 or No. 103 gasoline.
13. each propellant combination of 9-12, wherein said gasoline is methanol gasoline or ethanol petrol.
14. each propellant combination of 9-13, it is made up of each ether fuel and gasoline of item 1-8.
Embodiment
The present inventor is through a large amount of test and screening, finds to use the New-type fuel that comprises dme and methyl alcohol to solve or part overcomes the problems referred to above of this area unexpectedly.
A first aspect of the present invention
A first aspect of the present invention relates to a kind of novel ether fuel, and this novel ether fuel is based on the fuel of dme.Particularly, this novel ether fuel comprises dme, methyl alcohol and Viscotrol C.
Novel ether fuel of the present invention does not use petroleum resources, and the gasoline that can replace deriving from oil fully acts as a fuel and is used for automotive industry.Up to now, can't reckon with that from prior art comprising dme, methyl alcohol and Viscotrol C can be used as fuel as the composition of main ingredient and use, particularly can be used as vehicle fuel and make and be used for gasoline replacing.Can't reckon with at all that from prior art the ether fuel of being made up of dme, methyl alcohol and Viscotrol C can replace gasoline commonly used to be used for the fuel of automobile fuel or other vehicles or power-equipment fully.
Gasoline is the mixture of C4-C10 alkane normally, and contains materials such as benzene and toluene.
" gasoline " comprises regular gasoline herein, methanol gasoline and ethanol petrol.
Ether fuel of the present invention does not contain the gasoline main ingredient, and ether fuel promptly of the present invention does not contain the above hydrocarbon of C4, C4-C10 alkane for example, benzene or the like.In this article, " do not contain the above hydrocarbon of C4 " and be meant and do not have a mind to add the above hydrocarbon of C4.
Ether fuel of the present invention mainly comprises dme, methyl alcohol and Viscotrol C.Generally speaking, in ether fuel of the present invention, the content of dme can be the 4-12 weight part, and the content of methyl alcohol can be the 88-96 weight part, the content of Viscotrol C can be 0.5～2 weight part, preferred 0.7～1.5 weight part, more preferably 0.8～1.2 weight part, more preferably 0.9～1.1 weight part, more preferably 0.97～1.05 weight part, and wherein the gross weight of dme and methyl alcohol is 100 weight parts.Preferably, in this ether fuel, the content of dme is the 5-9 weight part, the content of methyl alcohol is the 91-95 weight part, the content of Viscotrol C is 0.5～2 weight part, preferred 0.7～1.5 weight part, more preferably 0.8～1.2 weight part, more preferably 0.9～1.1 weight part, more preferably 0.97～1.05 weight part, and wherein the gross weight of dme and methyl alcohol is 100 weight parts.
Below these three kinds of components are described in detail.
Dme is a kind of colourless, tasteless and nontoxic compound.Dme is gas under normal temperature and normal pressure.Its molecular weight is 46, and oxygen level is 35, and air-fuel ratio is 9, and empty combustion heat vale of mixture is higher than diesel oil (3067/2911), and cetane value is 60 (than the high 5-12 of a diesel oil unit), and CO and HC hang down 55% and 86% respectively than gasoline in the exhaust emissions.Therefore, the ratio of combustion gasoline of dme is more complete, and products of combustion is than more environmental protection of gasoline.The combustionproperty of dme and good mechanical property, explosive power is strong, and these performances all are better than methyl tertiary butyl ether.
The molecular weight of methyl alcohol is 32, and oxygen level is 50%, and air-fuel ratio is 6.4 (gasoline is 14.8), and octane value is 112 (than the high 15-22 of a gasoline unit), and empty combustion heat vale of mixture is lower than gasoline (2656/2786) slightly, and pollutant effulent is better than gasoline.The wide material sources of methyl alcohol more can directly be prepared by coal, and cost is lower.
The non-drying oil that Viscotrol C is normally obtained through depickling, washing, dehydration, decolouring, filtration by castor seeds (oil-containing 45%～60%) oil, relative density 0.945～0.760 (20 ℃), iodine number 84～90, acetylation value 176～186, mainly contain ricinolic acid glyceryl ester, triolein, Tristearoylglycerol, stearic acid two ricinolic acid glyceryl ester and a small amount of isoricinoleic acid, stearic acid, 9,10-dihydroxystearic acid, micro-cytochrome C etc.
Dme used in the present invention and methyl alcohol can be the twice-laid stuff of the discarded recycle of fertilizer plant from coal-based Poly-generation, wide material sources, and with low cost.
Viscotrol C used in the present invention can be business-like product.
Ether fuel of the present invention has the advantage of high cleanburning (thereby high clean emission) of dme and high-octane advantage of methyl alcohol simultaneously, therefore, this ether fuel can have octane value height, sufficient combustion, exhaust emission is low, and raw material is easy to get and advantage with low cost.Ether fuel of the present invention can satisfy the every requirement of automobile industry to gasoline, thereby replaces gasoline commonly used to use as the fuel of automobile.
More particularly, ether fuel of the present invention also has self-cleaning characteristics.Do not wish to be subject to concrete theory, the present inventor thinks because methyl alcohol has the good solubility energy, can effectively avoid at positions such as sparking plug, combustion chamber, valve, vapor pipe sourdine formation carbon deposit, prevent that oil circuit from stopping up, and avoid the fault that causes because of carbon deposit and obstruction, so produced automatic cleaning action.Be that ether fuel of the present invention can be finished this self-cleaning function surprisingly under the situation of not adding any additives.
Therefore, ether fuel of the present invention can be realized the effect of clean burning, cleaning discharging and protection vehicle.
Can reach the effect of regulating octane value by the content of dme and methyl alcohol in the adjusting ether fuel.Generally speaking, along with the content reduction of methyl alcohol, the octane value of ether fuel of the present invention also can decrease.But because the octane value of methyl alcohol itself is very high, therefore, under the situation of not using octane value properties-correcting agent, the octane value of ether fuel of the present invention all can be than higher.
The present inventor finds, owing to contain Viscotrol C in the ether fuel of the present invention, can further improve the function and the effect of this ether fuel.In ether fuel of the present invention, Viscotrol C can play the effect of lubricant, viscosity modifier, promoting agent and sanitas.Particularly, the present inventor is through research, be surprisingly found out that: when in ether fuel of the present invention, gross weight 100 weight parts with respect to dme and methyl alcohol, the content of Viscotrol C be 0.5～2 weight part, preferred 0.7～1.5 weight part, more preferably 0.8～1.2 weight part, more preferably 0.9～1.1 weight part, more preferably during 0.97～1.05 weight part, above-mentioned effect be can bring into play well, the corrosion and the wearing and tearing of engine parts reduced.In addition, preferably, Viscotrol C can account for 1% of ether fuel gross weight of the present invention.
Ether fuel of the present invention can not use any other additive, that is to say, ether fuel of the present invention can only be made up of dme, methyl alcohol and Viscotrol C.Yet, according to the needs of concrete application, also can add other component or additive, so that further improve some performance of gained fuel.
Because novel ether fuel of the present invention is different from conventional oil (for example gasoline and diesel oil), therefore, conventional gasoline dope might not can be used in ether fuel of the present invention.Before the additive with routine is used for ether fuel of the present invention, must at first carry out compatibility test.The compatibility test here is meant that additive to be used can be dissolved in the ether fuel of the present invention, and can keep stable existence, and does not change the proterties of ether fuel of the present invention.Have only the additive that those and ether fuel of the present invention can be compatible just might be used for ether fuel of the present invention.In addition, should be noted that also the adding of additive can not influence the special performance of ether fuel of the present invention significantly unfriendly, for example cleanliness etc.
The regular price gasoline additive that may be used for ether fuel of the present invention comprises, for example, and catalyzer, burning agent, antioxidant, ignition dope, purification agent and many octane promoters, metal passivator, inhibiter, deicing agent, anticorrosive agent, smoke suppressor etc.Through compatibility test after the assay was approved, these additives can be joined in the ether fuel of the present invention, condition is that the special performance that does not significantly influence ether fuel of the present invention unfriendly gets final product.The combination that also can add additive in ether fuel of the present invention, condition are that the special performance that does not significantly influence ether fuel of the present invention unfriendly gets final product.
The contriver finds by a large amount of tests, some commercially available prod can be used for ether fuel of the present invention, the ethanol gasoline detergent produced of petrochemical industry research institute for example, additive products such as the octane promoter that many fuel of ether therewith such as fuel economizing purification agent that Si Te oil-saving agent factory in Xinxiang, Henan produces can be compatible, catalyzer, burning agent, antioxidant, ignition dope, metal passivator, inhibiter, deicing agent, anticorrosive agent, smoke suppressor.
Except conventional additives, the present inventor finds that ether fuel of the present invention can also comprise water as ignition dope.Consider that the adding of avoiding owing to water brings impurity into, preferably use distilled water or deionized water.Do not wish to be subject to concrete theory, the combustion-supporting effect of water can be made description below: at first, water is (for example, under the petrolic condition) under high-temperature and high-pressure conditions, can decompose, and produces hydrogen and oxygen, and participate in reaction.Secondly, water is under the condition of engine chamber, and gasification is also expanded rapidly, thereby participates in the acting of expanding, and promotes contacting of fuel and air.
In addition, contain water in ether fuel of the present invention, particularly distilled water or deionized water the time, distilled water or deionized water have also played the effect of octane enhancing additive.As previously mentioned, it is higher to comprise the octane value of ether fuel of the present invention of dme and methyl alcohol.Therefore, when ether fuel of the present invention contains distilled water or deionized water, can also regulate the octane value of ether fuel of the present invention, reduce octane value more specifically by adjusting the content of water.The present inventor finds, in ether fuel of the present invention, remains unchanged and is under the situation of 100 weight parts at the content of dme and methyl alcohol, and the water of every adding 1 weight part, the octane value of ether fuel will reduce about 1.0.
More particularly, the present inventor is through number of research projects, against expectation find in ether fuel of the present invention, to add 2, the 6-ditertbutylparacresol is as antioxidant, the colloid that can reduce ether fuel of the present invention autoxidation and produce, delay oxidized, prolong and guarantee the quality the time.When ether fuel of the present invention contained 2,6 ditertiary butyl p cresol, the content of 2,6 ditertiary butyl p cresol can be the 0.005-0.5 weight part, and preferred 0.01-0.1 weight part is based on the dme and the methyl alcohol total amount of 100 weight parts.
Though ether fuel of the present invention has automatic cleaning action, but be the cleaning action that further strengthens ether fuel of the present invention, further increase the cleaning of oil piping system and the generation that reduces carbon on engine, ether fuel of the present invention can also contain purification agent.The contriver finds, preferably adds succimide in ether fuel of the present invention.Succimide can play the greasy filth of removing vaporizer and crankcase system and the effect of carbon distribution, minimizing is to the pollution of atmospheric environment, reduce the discharging of CO, reduce the discharging of HC (hydrocarbon polymer), can also reduce the wearing and tearing of oil pump and oil nozzle, prevent the spark plug coking, and improve the power of engine, thereby save energy, and improve fuel economy.In ether fuel of the present invention, be 100 weight parts in the gross weight of dme and methyl alcohol, the content of succimide can be the 0.005-0.02 weight part, preferably, the content of succimide is the 0.008-0.012 weight part.
The contriver also finds surprisingly, in ether fuel of the present invention, contain Viscotrol C, succimide and 2 simultaneously, in the time of the 6-ditertbutylparacresol, these three kinds of additives can provide synergy, make that ether fuel mass of the present invention is more stable, the burning of fuel more fully, engine operating safety and power abundance.
Method for preparation ether fuel of the present invention is not particularly limited, and can obtain ether fuel of the present invention by the chemical field routine techniques.The preparation of ether fuel of the present invention comprises the adding of Viscotrol C and other additive of choosing wantonly, and the mixing of dme and methyl alcohol.Generally speaking, Viscotrol C and other other optional additive can be joined in the methyl alcohol, and then mix with dme.Yet, also can carry out the mixing of dme and methyl alcohol earlier, and then add Viscotrol C and other other optional additive.For the back adds additive, stir if desired, then should slowly stir.For the mixing of dme and methyl alcohol, can adopt absorption column of gas to obtain this mixing usually.Adopting absorption column of gas to carry out liquid, thereby the absorption of gas is obtained liquid is the routine techniques of chemical field with mixing of gas.The acquisition of ether fuel of the present invention is to adopt the method for physical absorption to obtain, and only relates to the absorption of methyl alcohol to dme.Generally speaking, select counter-current absorption usually, finish the preparation of ether fuel of the present invention.The present invention does not have any restriction for the selection on absorption tower, can select packing tower, tray column.Equally without any restriction, the chemical engineering technicians is in the face of methyl alcohol during to these specific purposes of absorption of gas of dimethyl ether for acceptance condition in the present invention, can be according to the basic chemical industry principle, and required relative content is selected absorption tower and acceptance condition.Usually, conventional normal temperature absorbs and can finish the absorption of methyl alcohol to dme.
This absorption process can be summarized as follows: make gas of dimethyl ether enter from the bottom, absorption tower through measuring fixed amount equipment (as gas distributor); Meanwhile, make methyl alcohol (perhaps being pre-mixed the methyl alcohol of Viscotrol C and other additive of choosing wantonly) add from cat head, gas-liquid two-phase is countercurrent flow in the absorption tower, and directly fully contacts, and makes gas of dimethyl ether be absorbed by methyl alcohol.According to the selection on absorption tower and the difference of efficient thereof, can adopt one way to absorb or the circulation absorption.For circulation absorbs, can will get back to cat head and be incorporated in the tower from the methyl alcohol that contains dme that comes out at the bottom of the tower (optional Viscotrol C and other optional additive of containing) conveying again, the gas that cat head is come out is carried again and is got back at the bottom of the tower and be incorporated in the tower, repeats the absorption process of gas of dimethyl ether thus.This multiple absorption can carry out repeatedly as required.Yet those skilled in the art also can know, the one way by the absorption tower absorbs and just can basically dme be dissolved in the methyl alcohol, obtain required dme content and need not multiple absorption.The stability of ether fuel of the present invention is higher than regular gasoline far away.This can be proved from the inductive phase and the essence gum level of ether fuel of the present invention.
The present inventor finds that ether fuel of the present invention has high-octane rating, elevated oxygen level, low-steam pressure, low-sulfur, low benzene, low aromatic hydrocarbons and unleaded advantage.Ether fuel of the present invention can be used for existing vehicle, and need not to change engine structure.
A second aspect of the present invention
In a second aspect of the present invention, the present invention relates to a kind of propellant combination, comprise ether fuel of the present invention and other fuel, for example gasoline.
The contriver finds, the ether fuel of the present invention use that can act as a fuel separately is used for engine, particularly petrol engine.Therefore, ether fuel of the present invention fully gasoline replacing be used for automobile fuel.Yet also gasoline that ether fuel of the present invention and routine can be used, and even methanol gasoline or ethanol petrol mix use.When ether fuel of the present invention and gasoline were mixed, the blending ratio of ether fuel of the present invention and gasoline can be regulated arbitrarily as required.
Generally speaking, in the propellant combination of second aspect present invention, the content of ether fuel of the present invention can be for 1-99 weight %, based on the gross weight of propellant combination.Preferably, the content of ether fuel of the present invention can be for 10-90 weight %, based on the gross weight of propellant combination.
Other fuel that can be used for second aspect present invention can be gasoline, for example regular gasoline, and methanol gasoline or ethanol petrol, particularly motor spirit.The label of these gasoline can be 90,93, No. 97, No. 100 or No. 103 gasoline.
In this application, regular gasoline is meant and does not add dme, methyl alcohol or alcoholic acid gasoline.Methanol gasoline and ethanol petrol are meant respectively and have added methyl alcohol or alcoholic acid gasoline.Owing to added methyl alcohol in the methanol gasoline, when ether fuel of the present invention and methanol gasoline were mixed use, the methyl alcohol that has in the methanol gasoline can change the dme and the methyl alcohol ratio of ether fuel of the present invention.Therefore,,, need to consider the methanol content in the methanol gasoline, finally determine the blending ratio of ether fuel of the present invention and methanol gasoline according to actual conditions and purposes ether fuel of the present invention and methanol gasoline being mixed when using.Perhaps, ether fuel of the present invention and methanol gasoline are being mixed when using, according to actual conditions and purposes, need to consider the methanol content in the methanol gasoline, can not cause that the content ratio of dme and methyl alcohol departs from scope of the present invention in the ether fuel of the present invention so that guarantee the introducing of methyl alcohol in the methanol gasoline.Generally speaking, in order to make dme content in the ether fuel of the present invention be in the preferable range of 5-10 weight part (with the total of 100 weight part methyl alcohol and dme) for example, when using methanol gasoline, the blending ratio of methanol gasoline should not surpass 50%.For example, methanol gasoline contains the methyl alcohol of 15 weight %, mix the ratio that to consider dme used herein when using, with the effect of dme in this ether fuel, guarantee the fuel performance in the mixed propellant combination, then the blending ratio of methanol gasoline should not surpass 50% of ether fuel of the present invention.
Generally speaking, ether fuel of the present invention can be mixed with arbitrary proportion with regular gasoline.Preferably, ether fuel of the present invention and regular gasoline are mixed with 10: 90 to 90: 10 part by weight.More preferably, ether fuel of the present invention and regular gasoline are mixed with 30: 70 to 70: 30 part by weight.
When the blending ratio of ether fuel is up to 90%, i.e. 90 weight parts ether fuel of the present invention and the regular gasoline (for example No. 93 gasoline) of 10 weight parts when mixing, resulting propellant combination steady quality, the quality guaranteed period reach 2 years not stratified.
, perhaps mix with methanol gasoline or ethanol petrol when using with 30% ratio and regular gasoline at ether fuel of the present invention, can also reach the effect that improves power and fuel saving with 20% ratio.Under the engine working conditions of same operating mode, the saving ratio of fuel can be up to more than 10%.Use ether fuel of the present invention and gasoline to be mixed, alternative ratio can be brought up to 0.7 to 1 (the alternative ratio of ethanol petrol is 1.6-1.7).Here, alternative ratio is meant the ethanol petrol of a regular gasoline needs of replacement or the weight part of ether fuel of the present invention.And, use ether fuel of the present invention, can be so that the exhaust emissions amount reduce greatly, thus excellent environment protecting is provided.
As mentioned above, because the octane value of ether fuel of the present invention is higher,, therefore, can use ether fuel of the present invention to improve the label of regular gasoline usually more than 100.For example, can use ether fuel of the present invention to make No. 90 gasoline or No. 93 gasoline reach the standard of No. 93 or No. 97 gasoline respectively.
In addition, use ether fuel of the present invention can also improve the stability of regular gasoline.Generally speaking, the stability of commercially available regular gasoline is good inadequately.With ether fuel of the present invention and commercially available regular gasoline compounding, can improve the inductive phase of regular gasoline and reduce gum level.
Generally speaking, in the propellant combination of second aspect present invention, if added water in the ether fuel of the present invention, having of water may cause gasoline emulsification, or even layering.May limit the use range of propellant combination of the present invention like this, and for example can't be used for electronic fuel injection engine, and can be used for carburetor engine.Therefore, preferably when mixing use with gasoline, do not contain water in the ether fuel of the present invention.
Be not specifically limited for the method that obtains propellant combination.Can obtain propellant combination by ether fuel of the present invention is mixed with gasoline.For example, ether fuel of the present invention can be joined in the gasoline, perhaps gasoline be joined in the ether fuel of the present invention, perhaps ether fuel of the present invention and gasoline be joined in the independent container simultaneously, and mix, obtain propellant combination.This mixing can obtain under the slow condition of stirring of employing.
It must be noted that, when ether fuel of the present invention being mixed with the fuel that contains gasoline (gasoline, methanol gasoline, ethanol vapor wet goods) when preparing propellant combination, not moisture in the preferred ether fuel of the present invention.
To adopt specific embodiment to further describe the present invention below.Yet the present invention is not subjected to the restriction of these specific embodiments.
Embodiment
In following examples, adopt the raw material sources brief introduction as follows:
Methyl alcohol, purity are greater than 99%, available from the Beijing Chemical Plant
Dme, purity are 99.5%, available from Ji, Hebei spring dme Development Co., Ltd
2,6 ditertiary butyl p cresol is available from chemical reagent company limited of traditional Chinese medicines group
Viscotrol C, purity are greater than 99%, available from chemical reagent company limited of traditional Chinese medicines group
Succimide, content are 98.8-100.5%, available from chemical reagent company limited of traditional Chinese medicines group
Ether fuel embodiment 1
In conventional absorption tower, according to the counter-current absorption method, in methyl alcohol, obtaining dme concentration is 5 weight % with absorption of dimethyl ether, thereby obtains ether fuel 1.
Ether fuel embodiment 2
Embodiment 1 is identical with ether fuel, and in above-mentioned absorption tower, according to the counter-current absorption method, in methyl alcohol, obtaining dme concentration is 9 weight % with absorption of dimethyl ether, thereby obtains ether fuel 2.
Ether fuel embodiment 3
1g 2,6 ditertiary butyl p cresol, 1g succimide and 100g Viscotrol C are joined in the ether fuel 1 that 10kg makes as mentioned above, and gentle agitation obtains ether fuel 3.
Ether fuel embodiment 4
The 50g Viscotrol C is joined in the ether fuel 2 that 10kg makes as mentioned above, and gentle agitation obtains ether fuel 4.
Ether fuel embodiment 5
The 200g Viscotrol C is joined in the ether fuel 2 that 10kg makes as mentioned above, and gentle agitation obtains ether fuel 5.
Ether fuel embodiment 6
The 100g Viscotrol C is joined in the ether fuel 1 that 10kg makes as mentioned above, and gentle agitation obtains ether fuel 6.
Propellant combination embodiment 1
In transparent vessel, the above-mentioned ether fuel 1 of 200g is mixed according to 10: 90 part by weight with No. 90 motor spirit (production of Beijing company of China Petrochemical Industry) of 1800g, obtain propellant combination 1.
Propellant combination embodiment 2
In transparent vessel, the above-mentioned ether fuel 2 of 600g is mixed according to 30: 70 part by weight with No. 90 motor spirit (production of Beijing company of China Petrochemical Industry) of 1400g, obtain propellant combination 2.
Propellant combination embodiment 3
In transparent vessel, the above-mentioned ether fuel 1 of 1000g is mixed according to 50: 50 part by weight with No. 90 motor spirit (production of Beijing company of China Petrochemical Industry) of 1000g, obtain propellant combination 3.
Propellant combination embodiment 4
In transparent vessel, the above-mentioned ether fuel 1 of 1400g is mixed according to 70: 30 part by weight with No. 90 motor spirit (production of Beijing company of China Petrochemical Industry) of 600g, obtain propellant combination 4.
Propellant combination embodiment 5
In transparent vessel, the above-mentioned ether fuel 1 of 1800g is mixed according to 90: 10 part by weight with No. 90 motor spirit (production of Beijing company of China Petrochemical Industry) of 200g, obtain propellant combination 5.
Propellant combination embodiment 6
In transparent vessel, No. 90 ethanol petrols (commercially available ethanol petrol, ethanol content 10%) of the above-mentioned ether fuel of 1000g 1 and the 1000g part by weight according to 50: 50 is mixed, obtain propellant combination 6.
Propellant combination embodiment 7
In transparent vessel, No. 90 methanol gasolines (commercial methanol gasoline, methanol content 15%) of the above-mentioned ether fuel of 1000g 2 and the 1000g part by weight according to 50: 50 is mixed, obtain propellant combination 7.
Propellant combination embodiment 8
In transparent vessel, the above-mentioned ether fuel 3 of 1000g is mixed according to 50: 50 part by weight with No. 90 motor spirit (production of Beijing company of China Petrochemical Industry) of 1000g, obtain propellant combination 8.
Propellant combination embodiment 9
In transparent vessel, the above-mentioned ether fuel 4 of 200g is mixed according to 10: 90 part by weight with No. 90 motor spirit (production of Beijing company of China Petrochemical Industry) of 1800g, obtain propellant combination 9.
Propellant combination embodiment 10
In transparent vessel, the above-mentioned ether fuel 5 of 600g is mixed according to 30: 70 part by weight with No. 90 motor spirit (production of Beijing company of China Petrochemical Industry) of 1400g, obtain propellant combination 10.
Propellant combination embodiment 11
In transparent vessel, the above-mentioned ether fuel 6 of 1000g is mixed according to 50: 50 part by weight with No. 90 motor spirit (production of Beijing company of China Petrochemical Industry) of 1000g, obtain propellant combination 11.
Propellant combination embodiment 12
In transparent vessel, the above-mentioned ether fuel 4 of 1400g is mixed according to 70: 30 part by weight with No. 90 motor spirit (production of Beijing company of China Petrochemical Industry) of 600g, obtain propellant combination 12.
Propellant combination embodiment 13
In transparent vessel, the above-mentioned ether fuel 5 of 1800g is mixed according to 90: 10 part by weight with No. 90 motor spirit (production of Beijing company of China Petrochemical Industry) of 200g, obtain propellant combination 13.
Propellant combination embodiment 14
In transparent vessel, No. 90 ethanol petrols (commercially available ethanol petrol, ethanol content 10%) of the above-mentioned ether fuel of 1000g 6 and the 1000g part by weight according to 50: 50 is mixed, obtain propellant combination 14.
Propellant combination embodiment 15
In transparent vessel, No. 90 methanol gasolines (commercial methanol gasoline, methanol content 15%) of the above-mentioned ether fuel of 1000g 4 and the 1000g part by weight according to 50: 50 is mixed, obtain propellant combination 15.
The storage characteristics test
1. the airtight separately preservation of above-mentioned propellant combination 1-15 that will prepare, in the envrionment temperature standing over night, visual observation is not found demixing phenomenon then.
2. the above-mentioned propellant combination 1-15 that will prepare respectively gets 1000g, and airtight then preservation is preserved 3 months after-visions in envrionment temperature and observed, and does not find demixing phenomenon.
Octane value is measured
According to GB/T 5487 testing octane number of gasoline methods (organon), ether fuel 1～6 and the blend gasoline fuel 1～15 that obtains is above carried out the octane value measurement, measuring result is shown in Table 1.
Stability test
The above-mentioned ether fuel 1-6 and the propellant combination 1-15 that prepare were placed 3 months under envrionment conditions, ether fuel 1～6 and propellant combination 1～15 are measured gum level according to GB/T8019, and measure inductive phase according to GB/T8018, measuring result is shown in Table 1.
Table 1
Table 1 (continuing)
| The embodiment numbering | Component | Octane value (RON) | Gum level (mg/100mL) | Inductive phase (minute) |
| Propellant combination 1 | Ether fuel 1, No. 90 motor spirit of 200g, 1800g | 93 | 3 | 1000 |
| Propellant combination 2 | Ether fuel 2,600g; No. 90 motor spirit, 1400g | 97 | 3 | 1200 |
| Propellant combination 3 | Ether fuel 1,1000g; No. 90 motor spirit, 1000g | ＞100 | 2 | 1800 |
| Propellant combination 4 | Ether fuel 1,1400g; No. 90 motor spirit, 600g | ＞100 | 1 | 1900 |
| Propellant combination 5 | Ether fuel 1,1800g; No. 90 motor spirit, 200g | ＞100 | 1 | 1850 |
| Propellant combination 6 | Ether fuel 1,1000g; No. 90 ethanol petrols, 1000g | ＞100 | 2 | 1800 |
| Propellant combination 7 | Ether fuel 2,1000g; No. 90 methanol gasolines, 1000g | ＞100 | 2 | 1800 |
| Propellant combination 8 | Ether fuel 3,1000g; No. 90 gasoline, 1000g | ＞100 | 2 | 1800 |
| Propellant combination 9 | Ether fuel 4, No. 90 motor spirit of 200g, 1800g | ＞93 | 3 | 1000 |
| Propellant combination 10 | Ether fuel 5,600g; No. 90 motor spirit, 1400g | ＞95 | 3 | 1200 |
| Propellant combination 11 | Ether fuel 6,1000g; No. 90 motor spirit, 1000g | ?＞100 | 2 | 1800 |
| Propellant combination 12 | Ether fuel 4,1400g; No. 90 motor spirit, 600g | ?＞100 | 1 | 2000 |
| Propellant combination 13 | Ether fuel 5,1800g; No. 90 motor spirit, 200g | ?＞100 | 1 | 2000 |
| Propellant combination 14 | Ether fuel 6,1000g; No. 90 ethanol petrols, 1000g | ?＞100 | 2 | 1800 |
| Propellant combination 15 | Ether fuel 4,1000g; No. 90 methanol gasolines, 1000g | ?＞100 | 2 | 1800 |
A: also contain have an appointment 0.01% 2,6 ditertiary butyl p cresol and about 0.01% succimide in the ether fuel 3.
2 kilometers test run(s)s of vehicle
The fuel tank gasoline of Song Hua River automobile (99 produce HFJ6350 microbuses, Dongan 462 engines per year) is drained, above-mentioned ether fuel 1-6 and blend gasoline fuel 1-15 are respectively asked for 2 kilograms and put into fuel tank.Ignition trigger, the examination combustion was carried out 2 kilometers trial runs (road conditions are motorway, and average speed per hour is 80 kilometers/hour) after 10 minutes.With above-mentioned operation result and the situation of employing No. 93 motor spirit (production of Beijing company of China Petrochemical Industry) when moving this automobile, compare according to following item compared 1-4.This item compared 1-3 adopts to have driver's subjective sensation of 10 year driving age to judge.Project 4 adopts all discharges remaining fuel from fuel tank, and weigh, thereby calculates oil consumption.
Item compared: 1. engine combustion situation
2. running state of the vehicle
3. whether vapor pipe discharges visible impurity (for example, black smoke etc.) (need the lengthening vapor pipe this moment, make the officer can see the tail gas from emission by exhaust pipe).
4. how oil consumption compares the result with gasoline
Above-mentioned comparative result is listed in the table 2.
In " engine combustion situation " one row of table 2, " ◎ " expression engine combustion situation and No. 93 motor spirit are quite or more excellent; " * " expression engine combustion situation is inferior to motor spirit No. 93.
In " running state of the vehicle " one row of table 2, " ◎ " expression running state of the vehicle and No. 93 motor spirit are quite or more excellent; " * " expression running state of the vehicle is inferior to motor spirit No. 93.
In " whether vapor pipe discharges visible impurity " row of table 2, visible impurity is not discharged in " ◎ " expression; The visible impurity of " * " expression discharging.
In " how oil consumption compares the result with gasoline " one row of table 2, " ◎ " expression oil consumption and No. 93 motor spirit are quite or more excellent; " * " expression oil consumption is inferior to motor spirit No. 93.
The test of vehicle long distance running
Ether fuel 1-6 above repeating and the test preparation of propellant combination 1-15, difference is that the consumption of each component all is increased to 10 times of former consumption, (99 produce the HFJ6350 microbus per year for use in identical Song Hua River automobile, Dongan 462 engines) carry out 600 kilometers long distance test (DT)s, and be used for the A6 of Audi (engine model: V-type 6 cylinders/6 valve electric controlled multi-point jet engine fuels) carry out 800 kilometers long distance running tests.And, estimate Vehicular behavior according to top method.The highway section, expressway is adopted in the long distance running test, and average speed per hour is 100 kilometers/hour.Evaluation result is shown in Table 2.
The contriver finds when adopting ether fuel of the present invention and propellant combination to carry out above-mentioned test run(s), all obtained consistent identical good result for short range, long distance and different car category, therefore, all results of the test run(s) above the result in the following table 2 has represented.
Table 2
From the result of table 1 and table 2 as can be seen, ether fuel of the present invention and the propellant combination that contains ether fuel of the present invention can be used for various motor spirit engines, and oil consumption and marketable gasolines are suitable substantially.Ether fuel of the present invention is with 30% ratio and gasoline, perhaps mixes with 20% ratio and ethanol petrol and joins use, and then power is more sufficient, and oil consumption reduces more than 10%.The result of table 1 and table 2 has confirmed that also ether fuel of the present invention can use separately, also can mix use with various gasoline.The result of table 1 has confirmed that equally ether fuel octane number of the present invention is higher, and major part has all surpassed 100.And ether fuel of the present invention can be used for improving the octane value of regular gasoline or methyl alcohol or ethanol petrol, and improves the keeping quality and the stability of regular gasoline or methyl alcohol or ethanol petrol.
Detection of fuel
Above-mentioned ether fuel 1～6 and propellant combination 1～15 are carried out boiling range, copper corrosion and lead content detection.Wherein boiling range detects and carries out according to GB/T6536, and copper corrosion detects to be carried out according to GB/T5096, and lead content detects GB/T8020 to carry out.Detected result is shown in the following table 3.
Table 3
Table 3 (continuing)
Table 3 (continuing)
Table 3 (continuous 2)
From the result of table 3 as can be seen, ether fuel of the present invention and the every index of propellant combination that contains ether fuel of the present invention all obtain good result.
Emission detections
According to GB 18285-2005, use the SQR7080 of Cherry motor car engine model above-mentioned ether fuel 1-6 and propellant combination 1-15 to be carried out the exhaust emissions measurement as SQR372FD, obtain 4 or 3 measuring results respectively.
Measuring result is shown in the following table 4.
Table 4
Table 4 (continuing)
Table 4 (continuing)
Table 4 (continuing)
Table 4 (continuing)
As can be seen from Table 4, use ether fuel of the present invention and propellant combination, tail gas discharging pollutant is starkly lower than the national standard of China.
Ether fuel of the present invention has the octane value height, increases dynamic property, and energy consumption is low, the cleanliness height, and versatility is good, long quality-guarantee period, wide material sources or the like advantage.Because the octane value height, ether fuel of the present invention is applicable to high compression engine more, thereby increases dynamic property.Generally speaking, ether fuel of the present invention is because the octane value height, and can add raising calorific value component in preparation, under the situation of vehicle being done accommodation (reduce air inlet, adjust ignition advance angle), specific consumption reduces by 5%, with the miscible burning of mixing of gasoline, specific consumption reduces more than 10%.Ether fuel of the present invention is high oxygenated fuel, because burning can make automotive pollutant emission CO, CO fully
2+ HC reduces 50%-80%, and carcinogens benzene and sulphur emissions coefficient are 0.Simultaneously can effectively remove vehicle fuel feeding, firing system carbon distribution, prolong the work-ing life of engine.The versatility of ether fuel of the present invention is good, not changing under engine structure and the parameter situation, can directly use; And the contriver finds turning air door down, adjusts under the situation of ignition advance angle, can further improve the power of engine, and steady running.Carry out any ratio with gasoline and mix burning.Be more than a times of GB gasoline the inductive phase of ether fuel of the present invention.Can steady in a long-termly preserve, can make storage, transportation, sell and use the link required time to prolong.
Claims (10)
1. an ether fuel comprises dme, methyl alcohol and Viscotrol C.
2. the ether fuel of claim 1, wherein the content of dme is the 4-12 weight part, and the content of methyl alcohol is the 88-96 weight part, and the content of Viscotrol C is the 0.5-2 weight part, and the gross weight of dme and methyl alcohol is 100 weight parts.
3. the ether fuel of claim 1, wherein the content of dme is the 5-9 weight part, and the content of methyl alcohol is the 91-95 weight part, and the content of Viscotrol C is the 0.5-2 weight part, and the gross weight of dme and methyl alcohol is 100 weight parts.
4. the ether fuel of claim 1, wherein the content of dme is the 5-9 weight part, and the content of methyl alcohol is the 91-95 weight part, and the content of Viscotrol C is the 0.7-1.5 weight part, and the gross weight of dme and methyl alcohol is 100 weight parts.
5. the ether fuel of claim 1, wherein the content of dme is the 5-9 weight part, and the content of methyl alcohol is the 91-95 weight part, and the content of Viscotrol C is the 0.8-1.2 weight part, and the gross weight of dme and methyl alcohol is 100 weight parts.
6. each ether fuel of claim 1-5, wherein said ether fuel is made up of dme, methyl alcohol and Viscotrol C.
7. each ether fuel of claim 1-6, wherein said ether fuel is automobile fuel.
8. each ether fuel of claim 1-7, wherein said ether fuel is gasoline engine fuel.
9. propellant combination comprises each ether fuel and gasoline of claim 1-8.
10. the propellant combination of claim 9, the content of wherein said ether fuel is the 1-99 weight % of described propellant combination.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000713XA CN102127472A (en) | 2010-01-15 | 2010-01-15 | Ether fuel |
| PCT/CN2011/070113 WO2011085658A1 (en) | 2010-01-15 | 2011-01-10 | Ether-based fuel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000713XA CN102127472A (en) | 2010-01-15 | 2010-01-15 | Ether fuel |
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| WO (1) | WO2011085658A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106190348A (en) * | 2016-08-19 | 2016-12-07 | 桂林福冈新材料有限公司 | A kind of ether-base fuel |
| CN113186005A (en) * | 2021-03-29 | 2021-07-30 | 叁久国际新能源科技有限公司 | Civil energy-saving environment-friendly fuel and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4603662A (en) * | 1979-05-14 | 1986-08-05 | Aeci Limited | Fuels |
| CN1908127A (en) * | 2005-08-05 | 2007-02-07 | 窦观一 | Phytol fuel and special engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1618933A (en) * | 2003-11-20 | 2005-05-25 | 闵恩泽 | Low sulfur eleaning fuel capable of substituting petroleum oil |
| CN100448959C (en) * | 2005-01-20 | 2009-01-07 | 窦观一 | Biochemical fuel |
-
2010
- 2010-01-15 CN CN201010000713XA patent/CN102127472A/en active Pending
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2011
- 2011-01-10 WO PCT/CN2011/070113 patent/WO2011085658A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4603662A (en) * | 1979-05-14 | 1986-08-05 | Aeci Limited | Fuels |
| CN1908127A (en) * | 2005-08-05 | 2007-02-07 | 窦观一 | Phytol fuel and special engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106190348A (en) * | 2016-08-19 | 2016-12-07 | 桂林福冈新材料有限公司 | A kind of ether-base fuel |
| CN113186005A (en) * | 2021-03-29 | 2021-07-30 | 叁久国际新能源科技有限公司 | Civil energy-saving environment-friendly fuel and preparation method thereof |
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| WO2011085658A1 (en) | 2011-07-21 |
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