CN109153930A - Fuel composition - Google Patents
Fuel composition Download PDFInfo
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- CN109153930A CN109153930A CN201780031368.6A CN201780031368A CN109153930A CN 109153930 A CN109153930 A CN 109153930A CN 201780031368 A CN201780031368 A CN 201780031368A CN 109153930 A CN109153930 A CN 109153930A
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- fuel composition
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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
-
- 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
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/224—Amides; Imides carboxylic acid amides, imides
-
- 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
- C10L1/23—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites
- C10L1/231—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites nitro compounds; nitrates; nitrites
-
- 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
- C10L2270/00—Specifically adapted fuels
- C10L2270/02—Specifically adapted fuels for internal combustion engines
- C10L2270/026—Specifically adapted fuels for internal combustion engines for diesel engines, e.g. automobiles, stationary, marine
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Detergent Compositions (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The purposes of the combined composition of the diesel fuel of a kind of ethylhexyl of 2- containing nitric acid and one or more detergents, for the purpose of to reduce internal diesel injector deposit (IDID) in compression ignition internal combustion engine.
Description
Technical field
The present invention relates to liquid fuel combinations, reduce characteristic with improved cleanliness and deposit, especially interior
Portion's diesel injector deposit (IDID) reduces characteristic, and the particularly nitric acid 2- ethyl in diesel fuel composition
The combined purposes of own ester and one or more detergents is to provide the improvement.
Background technique
The saving of the fossil fuel in carrier is persistently emphasized in government regulation and market demands.By the fuel in engine
The accumulation for the deposit that burning generates reduces the efficiency further burnt and leads to the fuel during the service life of engine
Inefficient use.
One of diesel engine is common problem encountered is that injector incrustation, especially injector body and injector nozzle product
Dirt.When nozzle is blocked by the deposit from diesel fuel, then it will appear injector nozzle incrustation.It it is known that deposit occurs
At injector nozzle.
In addition to these " outside " injector deposits at nozzle bore and injector nozzle cause flow-reduction and power to damage
Except mistake, deposit is likely to occur in injector body, so as to cause further problem.These deposits can be described as internal bavin
Oil ejector deposit or IDID.IDID includes the deposit of needle stand and injector upstream, and excludes in injector nozzle hole
Deposit.IDID appears in the injector interior on critical moving components.IDID can hinder these influence fuel injections when
Between and quantity component movement, and also have other undesired effects.Since modern diesel engines are very accurate
Under conditions of run, these deposits can to performance generate significant impact.
IDID may result in many problems, including power loss, engine failure, rough idle and due to fuel metering
With burn it is not ideal enough caused by decrease fuel economy.Initially, user may undergo cold start-up problem and/or engine to transport
Make bad.Finally, these deposits will lead to more serious injector adherency.When deposit prevent injector part mobile and because
When stopping working this situation can occur for this injector.When one or more injectors are clung, engine may be entirely ineffective.
Usually de-sludging agent addition agent is added in diesel fuel, with reduction, removes or slow down the heaps of engine deposits
Product.Therefore, de-sludging agent addition agent in fuel composition commonly used in attempting to reduce deposit, but there is still a need for better additives
It is formed with reducing deposit, especially reduction " inside " diesel injector deposit or IDID are formed.
Any sustained improvement of fuel economy (FE) is also very important in automobile industry.Therefore, it is also desirable to after
The fuel economy performance of the continuous fuel composition for being modified to provide fuel for internal combustion engine.
Organic nitrate has been known as the ignition improver in fuel for some time, and some have also been notified increasing
Add the Cetane number of diesel fuel.Perhaps most common diesel fuel ignition improver is nitric acid 2- ethylhexyl (2-EHN),
The firing delay by shortening the fuel for adding it is generally understood as to operate.
2-EHN is applied in combination with other diesel fuel constituents with obtain particular benefits this field in built there are some
View, it is usually related with the gained Cetane number characteristic of combusting preparation is improved.
RU2010124844A is a kind of such suggestion, and is related to the diesel fuel containing the additive for increasing Cetane number.
Additive is by the nitric acid cyclohexyl ester or 2-EHN that are pre-mixed and selected from di-t-butyl peroxide, cumyl peroxide base and mistake
Aoxidize the peroxide composition of hydroxyl isopropylbenzene.The effect of these additives is that the Cetane number of diesel fuel is higher and in exhaust gas
Amount of nitrogen oxides is lower.
Therefore, from the prior art it is found that only 2-EHN or realizing the hexadecane of enhancing with the uses of certain other groups of subassemblys
It is worth effect.
In the industry, do not understand 2-EHN also so far to form Engine Cleanliness Level or deposit, especially internal bavin
The formation of oil ejector deposit (IDID) has any influence.
Summary of the invention
It has now surprisingly been found that may be implemented to improve the clear of engine by using the combination of 2-EHN and detergent
The collaboration effect of cleanliness and reduction engine injectors deposit, especially reduction " inside " diesel injector deposit or IDID
It answers.More than can be by the way that the cleannes raising of the cleannes realized of detergent is only used only be completely astonishing and exceed to anticipate
Material.
2-EHN and being applied in combination for detergent reduce injector deposits, and especially " inside " diesel injector deposits
Object or IDID improve Engine Cleanliness Level and the fuel economy of fuel composition are caused to improve indirectly.It also makes
The dosage of expensive de-sludging agent addition agent can be reduced.
Therefore, in the first aspect of the present invention, the bavin of the ethylhexyl and one or more detergents of 2- containing nitric acid is provided
The purposes of oil fuel composition, to avoid or reduce " inside " diesel injector deposit or IDID in compression ignition engine
For the purpose of and/or for the purpose of improving fuel economy.
In another aspect of this invention, a kind of cleannes and/or fuel economy performance for improving internal combustion engine are provided
Method, by using the combined diesel fuel composition comprising nitric acid 2- ethylhexyl and one or more detergents come
Fuel is supplied for internal combustion engine.
Specific embodiment
" fuel economy " refers to the optimization efficiency of engine consumption fuel as used herein, the term, i.e., can be with
Identical power output is obtained from engine while consuming less fuel (and therefore discharging less carbon dioxide).
According to the present invention, the diesel fuel composition of the ethylhexyl of 2- containing nitric acid and one or more detergents is provided
Purposes, particularly for improving cleannes and the therefore purpose of fuel economy.In context in this respect of the invention, term
" improvement " covers the improvement of any degree.Discovery (is assessed) by deposit reduction by our cleannes grading, I
Have found improvement between 250% and 300%.Nitric acid 2- ethylhexyl and detergent is being added thereto according to the present invention
Before, as measured by the increase as rank score, for example, according to CEC F-110-16 (the 1st phase) test method, similar fuel system
The improvement of the cleannes of agent can be about 10% or higher, preferably 20% or higher, more preferable 50% or higher, and especially
100% or higher.
According to the present invention it is possible to measure cleannes and deposit reduction in such a way that this field is any of.But about this
Invention, is preferably assessed by CEC F-110-16 (the 1st phase) test method.
According to the present invention, the fuel economy of fuel composition can also measure in any known fashion, such as using
The standard test procedure that 90/C81/01 is instructed according to EEC, uses the delivery work on chassis dynamometer or testing stand engine
The new Europe driving circulation (New European Drive Cycle) (NEDC) of tool.This is provided in engine operating conditions
So-called " measurement " the fuel consumption number of lower acquisition.In some embodiments, the method/purposes covers 2-EHN and one
Kind or a variety of detergents are added in fuel composition, to adjust fuel economy performance or realization or reach required desired fuel
Economy value.In the context of the present invention, " reaching " desired fuel economy value can also cover more than the quantity.Cause
This, desired fuel economy quantity can be target minimum fuel economy value.
De-sludging agent addition agent is added to diesel oil combustion with the level for the accumulation for being intended to reduce, removing or slowing down engine deposits
In material.Discovery through the invention is cooperateed with by using 2-EHN and improves or enhance this normal effect.Diesel fuel composition
One of or a variety of detergents (active material) concentration it is conventional 5 to 1500ppmw, suitably 10 to 750ppmw, more close
In the range of suitable ground 10 to 600ppmw.In one embodiment of the invention, it one of diesel fuel composition or a variety of goes
(active material) concentration of dirty agent is 10 to 500ppmw.It is one advantage of the present invention that due to using 2-EHN and detergent
Synergistic effect, it is possible to reduce the amount of expensive de-sludging agent addition agent.
2-EHN preferably with 10 to 1500ppmw, more preferable 50 to 1000ppmw, even more preferably 100 to 800ppmw, and
And the level within the scope of especially 200 to 700ppmw is present in fuel composition.The level of 2-EHN provided herein refers to
The 2-EHN being added in basic fuel, being more than may already existing any 2-EHN in basic fuel.For example, 2-
EHN may be already present in basic fuel, so that basic fuel complies with standard diesel fuel specifications, such as EN590 or ASTM
D975.The up to 2-EHN of 1500ppmw or more may be had existed in terms of the weight of total basic fuel, in basic fuel.
The composition contains one or more detergents.In one embodiment of the invention, the composition contains only
There is a kind of detergent.
It for purposes of the present invention, include the succinimide or succinyl of polyolefin substitution suitable for the example of detergent
The polyamine of amine, such as polyisobutenyl succinimide or polyisobutylene amine succinamides, aliphatic amine, Mannich base or amine and polyene
Hydrocarbon (such as polyisobutene) maleic anhydride.Succinimide dispersant additives are described in such as GB-A-960493, EP-
In A-0147240, EP-A-0482253, EP-A-0613938, EP-A-0557516 and WO-A-98/42808.It is particularly preferred
It is that (use contains high ratio by the succinimide that polyolefin replaces, such as polyisobutenyl succinimide, and especially PIBSI-TEPA
The polyisobutenyl succinimide that the polyamine technology mixture of the tetren of example generates).
It for the purposes, include quaternary ammonium salt suitable for other detergents in diesel fuel additive, it is such as open
In US2012/0102826, US2012/0010112, WO2011/149799, WO2011/110860 and WO2006/135881
In quaternary ammonium salt.
Diesel fuel additive mixture can contain other components in addition to detergent and 2-EHN.Example is that lubricity increases
Strong agent；Remove clouding agent, such as alkoxylate phenol yuban；Defoaming agent (such as modified polyetherpolysilicone)；In addition
Ignition improver (cetane improver), as nitric acid cyclohexyl ester, di-t-butyl peroxide and those be disclosed in US-A-
4208190 the 2nd, which arrange the 27th row, arranges substance in the 21st row to the 3rd)；Antirust agent (such as the propyl- 1,2- bis- of tetrapropenyl succinic acids
The polyol ester of first alcohol half ester or succinic acid derivative, the succinic acid derivative have containing 20 to 500 carbon atoms not
The aliphatic hydrocarbon group for being substituted or being substituted is at least one of its alpha -carbon atom, such as the succinic acid that polyisobutene replaces
Pentaerythritol diester)；Corrosion inhibitor；Aromatic；Antiwear additive；Antioxidant (such as phenols such as 2,6- bis--tertiary fourth
Base phenol or phenylenediamine such as N, N '-di-sec-butyl-p-phenylenediamine)；Matal deactivator；Combustion improver；Antistatic additive；
Cold flow improver；With wax antisettling agent.
Unless otherwise stated, otherwise each such optional other additive component is combined in added diesel fuel
(active material) concentration in object is preferably at most 10000ppmw, more preferably within the scope of 0.1 to 1000ppmw, preferably
0.1 arrives 300ppmw, and such as 0.1 arrives 150ppmw.
Other additives are discussed in greater detail below.
Diesel fuel additive mixture can contain lubricity enhancer, especially when diesel fuel composition is with lower
When (such as 500ppmw or smaller) sulfur content.In added diesel fuel composition, lubricity enhancer is suitable for be less than
1000ppmw, preferably between 50ppmw and 1000ppmw, the concentration more preferably between 70ppmw and 1000ppmw is deposited
?.Suitable commercially available lubricity enhancer includes ester group additive and acidic group additive.Other lubricity enhancer descriptions are outstanding
Its to it in the relevant patent document of purposes in low sulfur content diesel oil fuel, such as in following patent document:
Paper " lubricity (the The Lubricity of of diesel fuel of-Danping Wei and H.A.Spikes
Diesel Fuels) ", Wear, III (1986) 217-235；
- WO-A-95/33805- cold flow improver improves the lubricity of low-sulphur fuel；
The certain phosphordithiic acid diester-glycol of-US-A-5490864- are used for low-sulfur as wear-resistant oiliness additive
Diesel fuel；And
Certain alkyl aromatic chemical combination that there is-WO-A-98/01516- at least one carboxyl to be connected to its aromatic series core
Object especially assigns wear-resistant lubricity effect in low sulphur diesel fuel.
In addition to 2-EHN, fuel composition herein may include one or more other cetane number boosters.16
Alkane value reinforcing agent is known and commercially available, and it is foregoing to be also possible to known (in the case where diesel fuel)
For " hexadecane (value) modifier ", " combustion improver " and " ignition improver " etc..
Cetane number booster is usually added to diesel fuel with additive level (usually 10 to 2000ppm w/w)
In.
Its to reduce firing delay i.e. fuel injection time and burn (igniting) start between time.
The Cetane number (CN) of fuel is with reference to hexadecane (hexadecane, CN=100) and 2,2,4,4,6,8,8- seven first
What the firing characteristic of the correct mixture of base nonane (CN=15) determined.Fuel with high CN has short firing delay.It is logical
Often, there is low Cetane number with high-octane molecule, the high-octane rating is assigned to gasoline spark ignition engine
The repellence of spontaneous combustion.Therefore, a small amount of cetane number booster is added into diesel fuel can be produced based on shorter firing delay
Raw improved fuel performance.
Known cetane number booster include but is not limited in addition to 2-EHN (such as isopropyl nitrate, nitric acid cyclohexyl ester,
With nitric acid methoxy acrylate) certain organic nitrates and organic peracid and perester.Diesel fuel composition further preferably contains
Defoaming agent is more preferably combined with antirust agent and/or corrosion inhibitor and/or lubricity enhancing additive.
(active material) concentration of any defogger in diesel fuel composition will preferably be in 0.1 to 20ppmw, more
Preferably 1 to 15ppmw, even more preferably 1 to 10ppmw, and within the scope of especially 1 to 5ppmw.Alternatively, more Gao Shui can be used
Flat defogging compound.
(active material) concentration of existing any other ignition improver will be preferably 2600ppmw or smaller, more
Preferably 2000ppmw or smaller, even more preferably 300 to 1500ppmw.
Conventional fuel additive agent mixture for diesel fuel composition usually contains the dilution compatible with diesel fuel
Agent.This diluent can be mineral oil, such as sold by Shell Co. Ltd (Shell companies) with trade mark " SHELLSOL " that
The polar solvent and alcohol of a little solvent, such as ester and especially alcohol (such as hexanol, 2-Ethylhexyl Alcohol, decyl alcohol, different tridecanol) are mixed
Those of object is closed, such as sold by Shell Co. Ltd with trade mark " LINEVOL ", it is especially C7-9The LINEVOL of the mixture of primary alconol
79 alcohol or commercially available C12-14Alcohol mixture.Institute as above can be contained for realizing the fuel additive mixtures of purposes of the present invention
One or more detergents, 2-EHN and the diluent stated.It can be replaced for realizing the fuel additive mixtures of purposes of the present invention
Generation ground is free of 2-EHN containing one or more detergents as described above and diluent.In the case, 2-EHN has been deposited
It is in basic fuel or is respectively added in basic fuel.In another embodiment, 2-EHN can reside in fuel and add
Add in agent composition and basic fuel.
In use, therefore 2-EHN and one or more detergents can be first dissolved in advance in suitable solvent, such as
Oil, such as mineral oil or Fisher-Tropsch derived hydrocarbon mixture；Fuel element (it is also possible to mineral or Fisher-Tropsch derived) and its
The middle diesel fuel composition using additive is compatible (such as midbarrel fuel component, such as gas and oil or kerosene)；Poly- α alkene
Hydrocarbon；So-called bio-fuel, such as fatty acid alkyl esters (FAAE), Fisher-Tropsch derived biomass-liquid synthetic product, hydrogenation
Vegetable oil, waste or algae oil or alcohol such as ethyl alcohol；Aromatic solvent；Any other hydro carbons or organic solvent；Or mixtures thereof.?
Preferred solvent used herein is based on diesel fuel constituents and solvent, including weight aromatic petroleum naphtha and Fisher-Tropsch derived group
Divide, such as the mineral oil of " XtL " component being mentioned below.In some cases, bio-fuel solvent is also possible to preferably.It is logical
Often, 2-EHN and one or more detergents will be a part of additive (performance) packet, in addition contain other additives, example
Such as defoaming agent, corrosion inhibitor, fog remover.Alternatively, 2-EHN and one or more detergents can directly and basic fuel
Mixing.
Optional other additive level in diesel fuel composition can compatibly 0 and 10000ppmw it
Between and be preferably lower than 5000ppmw.
Hereinbefore, the amount (concentration, volume %, ppmw, weight %) of component is the amount of active material, i.e., does not include volatilization
Property solvents/diluents material.
Liquid fuel combination of the invention can be by combining fuel additive and the bavin suitable for internal combustion engine
Oily basic fuel mixing is to produce.
The rest part of composition is usually made of one or more automobile basic fuels, optionally with it is one or more its
Its fuel additive forms together, such as described above.
The present invention can be any appropriate engine using the engine of fuel composition.Therefore, when fuel is diesel oil, packet
When including biodiesel fuel compositions, engine is diesel oil or compression ignition engine.Likewise it is possible to use any kind of bavin
Oil turbine, such as turbo-charging diesel motor, condition are to measure fuel economy using identical or equivalent engine,
It is with and without the increased component of fuel economy.In general, fuel economy improvers of the invention are suitable for widely
Engine condition.
Diesel fuel composition prepared in accordance with the present invention usually can be appointing suitable for compression-ignited (diesel oil) engine
The diesel fuel composition of what type；And it itself may include the mixture of diesel fuel constituents.
Therefore, in addition to 2-EHN and one or more detergents, diesel fuel composition prepared in accordance with the present invention can be wrapped
One or more diesel fuel constituents containing traditional type.For example, it may include the bavin of for example following types of major portion
Oily basic fuel.In this context, " major portion " refers at least 50%w/w in terms of total composition and typically at least 85%w/
w.More suitably, at least 90%w/w or at least 95%w/w.In some cases, at least 98%w/w of fuel composition or extremely
Few 99%w/w is made of diesel base fuel.Therefore, in some embodiments, basic fuel itself may include two kinds or more
The mixture of the diesel fuel constituents of a variety of types described below.
Typical diesel fuel constituents include liquid hydrocarbon intermediate distillate fuel oil, such as the gas and oil of petroleum derivation.Such base
Plinth fuel element can be derived from organic or synthesis, and fits through the fraction for distilling required range from crude oil and obtain
?.Its boiling point depends on grade and purposes usually in 150 to 410 DEG C or 170 to 370 DEG C of common diesel range.It is 15
Density under DEG C (IP 365) is usually 0.75 to 0.9g/cm3, such as 0.8 to 0.86g/cm3With the Cetane number (ASTM measured
It D613) is 35 to 80, more preferably 40 to 75.Its initial boiling point is suitably in the range of 150 to 230 DEG C, and it is final
Boiling point is in the range of 290 to 400 DEG C.Its dynamic viscosity (ASTM D445) at 40 DEG C can be compatibly 1.5 to 4.5 lis
Duo.This fuel is commonly available to compression-ignited (diesel oil) internal combustion engine of directly or indirectly ejection-type.
These general requirements are also suitable for by implementing the motor vehicle diesel fuel composition that the present invention obtains.Therefore, usually
Meet Current standards diesel fuel specifications applicatory, such as EN 590 (for Europe) or ASTM D975 (being used for the U.S.).Pass through
Example, density of the fuel composition at 15 DEG C can be 0.82 to 0.845g/cm3；T95Boiling point (ASTM D86) be 360 DEG C or
It is lower；Cetane number (ASTM D613) is 45 or higher；Kinematic viscosity (ASTM D445) is 2 to 4.5mm at 40 DEG C2/s；
Sulfur content (ASTM D2622) is 50mg/kg or lower；And/or polycyclic aromatic hydrocarbon (PAH) content (IP391 (mod)) is less than 11%
w/w.However related specification can country from it is between country and every year different and can be depending on fuel composition both
Determine purposes.Specifically, the Cetane number measured is preferably 40 to 70, until 75 or big to 80, more preferably 50 to 65, or at least
In 50, it is greater than 55, is greater than 60 or greater than 65.
Such as the gas and oil obtained from refining and the petroleum derivation of optionally (adding hydrogen) processing crude oil origin can mix diesel oil combustion
In feed composition.It can be obtained from the single gas and oil logistics of this refinery processes or via different disposal route in oil plant work
The admixture of several gas and oil fractions obtained in skill.The example of this gas and oil fraction is straight run gasoil, vacuum gas oil, such as in hot tearing
The gas and oil that is obtained in solution preocess, the lightweight such as obtained in fluid catalyst cracking unit and heavy recycle stock and such as from hydrogenation cracking
The gas and oil obtained in device unit.Optionally, the gas and oil of petroleum derivation may include the kerosene fraction of some petroleum derivations.Such gas
Oil can be handled in hydrodesulfurization (HDS) unit to be suitable for including in diesel fuel composition so that its sulfur content to be reduced to
In level.This also tends to reduce that other polar substances are for example oxygen-containing or content of nitrogen substance.In some cases, fuel stack
Closing object will include the one or more crackates obtained by division heavy hydrocarbon.
In some embodiments of the invention, basic fuel can be or containing another so-called " biodiesel " fuel
Component, such as vegetable oil, hydrogenated vegetable oil or vegetable oil derivatives (such as aliphatic ester, especially fatty acid methyl ester, FAME),
Or other oxygenates, such as acid, ketone or ester.Such component does not need be biologically-derived.Contain biology in fuel composition
When diesel component, biodiesel fuel component may be present in quantity and be up to 100%, such as 1% between 99%w/w, 2% to
Between 80%w/w, 2% between 50%w/w, 3% between 40%w/w, 4% between 30%w/w, or 5%
To between 20%w/w.In one embodiment, biodiesel fuel component can be FAME.
Diesel base fuel can be made of Fisher-Tropsch derived diesel fuel constituents, usually Fischer-tropsch derived gas and oil, or
Include the component.As used herein, term " Fisher-Tropsch derived " refer to material be Fischer-Tropsch method of condensing synthetic product or from
It is obtained.Fisher-Tropsch derived fuel or fuel element will therefore be wherein the significant fraction in addition to add hydrogen it is direct or
Connect the hydrocarbon stream derived from Fischer-Tropsch condensation method.
Fischer-Tropsch fuel especially can convert gas derived from liquid (XtL) is converted by gas, biomass or coal
For liquid (GtL), or from biomass it is converted into liquid (BtL).Any type of Fisher-Tropsch derived fuel element can be used as basis
Basic fuel of the invention.
Basic fuel suitably has a low sulfur content, for example, at most 2000mg/kg (by weight 200,000 a ten thousandths/
ppmw).More suitably, with low or extremely low sulfur content, such as at most 500mg/kg (500ppmw), such as no more than
350mg/kg (350ppmw), and more suitably it is no more than the sulphur of 100 or 50 or 10 or even 5mg/kg (5ppmw).It may
It is so-called " zero sulphur " fuel；Although may want to basic fuel in some cases not is no sulphur (" zero sulphur ") fuel.It is ideal
Ground also has the sulfur content belonged in these limits by implementing the fuel composition that the present invention generates.
Motor vehicle diesel fuel composition prepared in accordance with the present invention will suitably conform to Current standards specification applicatory, example
Such as EN 590 (for Europe) or ASTM D-975 (being used for the U.S.).By example, density of total fuel composition at 15 DEG C
It can be 820 to 845kg/m3(ASTM D-4052 or EN ISO 3675)；T95 boiling point (ASTM D-86 or EN ISO 3405)
It is 360 DEG C or lower；The Cetane number (ASTM D-613) measured is 40 or higher；Vk40(ASTM D-445 or EN ISO
It 3104) is 2 to 4.5mm2/s；Sulfur content (ASTM D-2622 or EN ISO 20846) is 50mg/kg or lower；And/or it is polycyclic
Aromatic hydrocarbons (PAH) content (IP 391 (mod)) is less than 8%w/w.However related specification can between country and country and every year
Difference, and the given application of composition can be depended on.
It is to be appreciated that diesel fuel composition prepared in accordance with the present invention contains with the characteristic outside these ranges
Fuel element, because the characteristic of overall admixture can usually differ markedly from those of its individual components.
According to an aspect of the invention, there is provided the purposes of 2-EHN and one or more detergents, are used to improve combustion
The deposit reduction of feed composition or clean-up performance and/or the fuel economy performance for improving fuel composition.In this hair
In bright context, " purposes " of 2-EHN and one or more detergents in fuel composition refer to 2-EHN and/or
One or more detergents are incorporated in composition, usually as with one or more fuel elements (usually diesel base fuel)
Blend (i.e. physical mixture) and optional one or more other fuel additives, be different from 2-EHN and detergent.
Before composition is introduced the engine to operate on composition, preferably by 2-EHN and one or more go
Dirty agent is incorporated in fuel composition.Therefore, 2-EHN and one or more detergents can be directly administered in oil plant (such as
Mixing) fuel composition one or more components or basic fuel in.For example, it can be pre- dilute in suitable fuel element
It releases, subsequently forms a part of entire automobile fuel composition.Alternatively, its diesel fuel group that can be added to oil plant downstream
It closes in object.For example, its a part that can be used as the additive packet containing one or more other fuel additives is added into.This
It may be particularly advantageous, because in some cases, it may be inconvenient or not for changing fuel composition in oil plant
Close needs.For example, all positions that are blended in of basic fuel component may be all infeasible, and in fuel storage or other filling points
(such as road tank vehicle, barge or train filling point, distributor, customer tanks and vehicles) can be more easily with relatively low
Concentration introduces fuel additive.
Therefore, " purposes " of the invention can also cover 2-EHN and/or one or more detergents supply and its
Operation instruction in diesel fuel composition, to realize one of benefit of the invention.Therefore, it 2-EHN and/or one or more goes
The component that dirty agent can be used as preparation provides, and the preparation is suitble to and/or is intended as fuel additive, especially diesel fuel
Additive.By means of example, 2-EHN and/or one or more detergents can be with one or more other fuel additives one
It rises and is incorporated in additive formulations or additive packet.As described above, one or more fuel additives can be selected from any useful add
Add agent, such as anticorrosive additive, defogger, defoaming agent, ester, poly alpha olefin, long chain organic acid, amine-containing or amide activated centre
Component and its mixture, as is known to persons skilled in the art.
According to another aspect of the present invention, a kind of method for being used to prepare automobile fuel composition, the side are provided
Method includes that diesel base fuel (or basic fuel mixture) is blended with 2-EHN and one or more detergents.The blending
It can be implemented for one or more purposes described herein.
In some cases, 2-EHN and/or one or more detergents may be not suitable for premixing with other fuel additives
It closes, and therefore can be directly administered in fuel composition from concentration (100%) or prediluted inventory.
Although the amount of 2-EHN and one or more detergents used according to the invention can be according to fuel types to be used
And/or engine condition and change, but another benefit of the invention is especially observed under certain engine conditions
The amount of one or more detergents needed for benefit of the invention can be surprisingly low and lower than providing identical cleannes/heavy
Normal detergent additive concentration needed for product object reduces effect.This can reduce the cost of preparation of fuel process in turn and answer
Polygamy.
In addition, compared with the fuel element for needing to use with the concentration of about tens weight percent, it can be with relatively low
The additive that uses of concentration can transport, store and be introduced into fuel composition more naturally.
Internal combustion engine and/or the thus traffic of engine offer power are operated another aspect provides a kind of
The method of tool, the method include that fuel composition prepared in accordance with the present invention is introduced into the combustion chamber of engine.Favorably
Ground introduces one or more purposes that fuel composition is used to describe about the present invention.Therefore, engine preferably with fuel stack
Object is closed to operate together, for the purpose of to improve cleannes and deposit reduction and/or fuel economy during the use of engine,
And such as relevant benefit, such as the engine emission of reduction etc..The engine especially diesel engine, and can be with
It is turbo-charging diesel motor.Diesel engine can be direct injection type, such as rotary pump, in-line arrangement pump, modular pump, electricity
Subelement injector or common-rail type or indirect injection type.It can be heavy or light-duty diesel engine.For example, it can be
Electronic unit directly sprays (EUDI) engine.
Standard test procedure measurement can be used in emission level relevant to specific assessment, and the test program is for example European
R49, ESC, OICA or ETC (being used for heavy-duty engine) or ECE+EUDC or MVEG (being used for light duty engine) test loop.Reason
Think ground, emission performance is to meet Europe II effluent standard limit value (1996) or Europe III (2000), IV (2005) even V
(2008) the diesel engine airborne measurements of standard limited value.
In the described and claimed of this specification, unless context indicates otherwise, otherwise odd number forgives plural number.Tool
For body, when using indefinite article, except otherwise herein provided, otherwise this specification is interpreted as in view of plural number and list
Number.
Therefore, feature, integer, the characteristic, chemical combination being described together in conjunction with specific aspect of the invention, embodiment or example
Object, chemical part or group should be understood to be applicable to any other aspect, embodiment or example as described herein, unless with
Its is incompatible.Therefore, the feature of " purposes " of the invention can be directly applied for " method " of the invention.In addition, unless in addition saying
Bright, otherwise any feature disclosed herein can be used for same or like purpose alternative characteristics and be replaced.
Now it is further illustrated by the following non-limiting examples the present invention.
Example
Example 1
Additive packet containing detergent and 2-EHN, content are enough to reach the detergent in final combusting preparation
The level of 160ppmw, the 2-EHN in final combusting preparation reach the level of 600ppmw, and the additive coating, which is mixed into, to be met
In the standard low-sulfur diesel-oil basic fuel of EN590.In addition additive packet contains some other accessory constituents.By low molecular weight PIB
The level of 10ppmw of the anti-fouling agent of succinimide form in terms of the weight of final composition is mixed into diesel base fuel.
The specification of basic fuel is shown in the following table 1.
Table 1
| Density at 15 DEG C | IP365 | 835.1kg/m3 |
| Kinematic viscosity at 40 DEG C | IP71 | 3.217mm2/s |
| Initial boiling point | IP123 | 205℃ |
| Cold filter plugging point | IP309 | -22℃ |
| Cloud point | IP219 | n/a |
| Lubricity (HFRR wear scar diameter) | ISO 12156 | 338 microns |
| Sulphur | ISO 20846 | <1mg/kg |
| Total aromatic hydrocarbons | IP391 | 22.6 weight % |
Example 2
Additive packet containing detergent but without 2-EHN is mixed into the identical standard as used in examples detailed above 1
Low-sulfur diesel-oil basic fuel in.In the type and horizontal and example 1 of detergent used in example 2 and secondary additive component
It those of uses identical.By the anti-fouling agent of low molecular weight PIB succinimide form in terms of the weight of final composition
The level of 10ppmw is included in diesel fuel preparation.
CEC F-110-16 (the 1st phase) test method is carried out to fuel mixture to be measured.It, will be to avoid doubt
The sodium and dodecenyl-succinic acid (DDSA) that CEC F-110-16 is referred in (the 1st phase) are mixed into any in example 1 or example 2
In kind fuel.As described above, using the low molecular weight PIB succinimide shape of the level of the 10ppmw in terms of the weight of final composition
The anti-fouling agent of formula replaces.
By the fuel mixture (example 1) containing detergent and 2-EHN in combination, and from only basic fuel and
Being added to the equal fuel (example 2) of the detergent of exactly like level, the results are shown in Table 2.
Table 2
| Additive packet | The main running completed | Grade |
| Detergent+2-EHN (example 1) | 5 | 5.5 |
| Only detergent (example 2) | 2 | 2.0 |
| Nothing | 1 | 2.0 |
It discusses
It is being shown in table 2 the result shows that, compared with the reference fuel for only containing identical detergent packet (be free of 2-EHN), make
Deposit can be substantially reduced with the combination of 2-EHN and detergent packet.
Claims (8)
1. the purposes of the diesel fuel composition of a kind of ethylhexyl of 2- containing nitric acid and one or more detergents, in compression ignition
In formula internal combustion engine for the purpose of reduction interior injectors deposit.
2. purposes according to claim 1 is used to improve the other mesh of the fuel economy of compression ignition internal combustion engine
's.
3. according to claim 1 or purposes as claimed in claim 2, wherein in terms of total diesel fuel composition weight,
In the diesel fuel composition, the concentration of the nitric acid 2- ethylhexyl is in the range of 10 to 1500ppmw.
4. purposes according to any one of claim 1 to 3, wherein in terms of total diesel fuel composition weight,
In the diesel fuel composition, the concentration of one or more detergents is in the range of 5ppmw to 1500ppmw.
5. purposes according to any one of claim 1 to 4, wherein the detergent is the poly- isobutyl of poly- (ethylene amines)
Alkene succinimide.
6. purposes according to any one of claim 1 to 5, wherein the diesel fuel composition is additionally comprised except de-sludging
One or more fuel additives except agent and in addition to 2-EHN.
7. purposes according to any one of claim 1 to 6, wherein the reduction in internal diesel injector deposit is
It is measured according to CEC F-110-16 test method.
8. a kind of method for reducing interior injectors deposit in internal combustion engine, by being combined using diesel fuel
Object to supply fuel for internal combustion engine, and the diesel fuel composition includes nitric acid 2- ethylhexyl and one or more de-sludgings
Agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410288890.4A CN117965212A (en) | 2016-05-26 | 2017-05-24 | Fuel composition |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16171534.7 | 2016-05-26 | ||
| EP16171534 | 2016-05-26 | ||
| PCT/EP2017/062687 WO2017203003A1 (en) | 2016-05-26 | 2017-05-24 | Fuel compositions |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410288890.4A Division CN117965212A (en) | 2016-05-26 | 2017-05-24 | Fuel composition |
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|---|---|
| CN109153930A true CN109153930A (en) | 2019-01-04 |
Family
ID=56087147
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|---|---|---|---|
| CN201780031368.6A Pending CN109153930A (en) | 2016-05-26 | 2017-05-24 | Fuel composition |
| CN202410288890.4A Pending CN117965212A (en) | 2016-05-26 | 2017-05-24 | Fuel composition |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410288890.4A Pending CN117965212A (en) | 2016-05-26 | 2017-05-24 | Fuel composition |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP3464521B1 (en) |
| JP (1) | JP7045332B2 (en) |
| CN (2) | CN109153930A (en) |
| BR (1) | BR112018073099B1 (en) |
| MY (1) | MY188254A (en) |
| PH (1) | PH12018502470A1 (en) |
| WO (1) | WO2017203003A1 (en) |
| ZA (1) | ZA201807392B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7045332B2 (en) | 2016-05-26 | 2022-03-31 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | Fuel composition |
| BR112021010643A2 (en) | 2018-12-11 | 2021-08-17 | Shell Internationale Research Maatschappij B.V. | use of an additive, and, method to reduce deposit buildup in an exhaust gas recirculation system of a compression-ignition internal combustion engine |
| CN114450478A (en) * | 2019-09-25 | 2022-05-06 | 国际壳牌研究有限公司 | Method for reducing injector deposits |
| FR3103815B1 (en) * | 2019-11-29 | 2021-12-17 | Total Marketing Services | Use of diols as detergency additives |
| GB202113683D0 (en) * | 2021-09-24 | 2021-11-10 | Innospec Ltd | Use and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0247706B1 (en) * | 1983-12-30 | 1989-06-14 | Ethyl Corporation | Fuel composition and additive concentrates, and their use in inhibiting engine coking |
| CN1200398A (en) * | 1997-05-19 | 1998-12-02 | 乙基公司 | Gasoline compositions contg. ignition improvers |
| CN1253578A (en) * | 1997-03-21 | 2000-05-17 | 因芬优姆控股有限公司 | Fuel oil compositions |
| CN1656199A (en) * | 2002-04-25 | 2005-08-17 | 国际壳牌研究有限公司 | Diesel fuel compositions |
| CN102485854A (en) * | 2010-12-01 | 2012-06-06 | 叶友明 | Formula for emulsified diesel oil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482355A (en) * | 1983-12-30 | 1984-11-13 | Ethyl Corporation | Diesel fuel compositions |
| EP0968259B1 (en) * | 1997-03-21 | 2002-08-28 | Infineum Holdings BV | Fuel oil compositions |
| FR3017876B1 (en) | 2014-02-24 | 2016-03-11 | Total Marketing Services | COMPOSITION OF ADDITIVES AND PERFORMANCE FUEL COMPRISING SUCH A COMPOSITION |
| JP7045332B2 (en) | 2016-05-26 | 2022-03-31 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | Fuel composition |
-
2017
- 2017-05-24 JP JP2018561205A patent/JP7045332B2/en active Active
- 2017-05-24 BR BR112018073099-8A patent/BR112018073099B1/en active IP Right Grant
- 2017-05-24 CN CN201780031368.6A patent/CN109153930A/en active Pending
- 2017-05-24 CN CN202410288890.4A patent/CN117965212A/en active Pending
- 2017-05-24 WO PCT/EP2017/062687 patent/WO2017203003A1/en unknown
- 2017-05-24 EP EP17726912.3A patent/EP3464521B1/en active Active
- 2017-05-24 MY MYPI2018704231A patent/MY188254A/en unknown
-
2018
- 2018-11-05 ZA ZA2018/07392A patent/ZA201807392B/en unknown
- 2018-11-23 PH PH12018502470A patent/PH12018502470A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0247706B1 (en) * | 1983-12-30 | 1989-06-14 | Ethyl Corporation | Fuel composition and additive concentrates, and their use in inhibiting engine coking |
| CN1253578A (en) * | 1997-03-21 | 2000-05-17 | 因芬优姆控股有限公司 | Fuel oil compositions |
| CN1200398A (en) * | 1997-05-19 | 1998-12-02 | 乙基公司 | Gasoline compositions contg. ignition improvers |
| CN1656199A (en) * | 2002-04-25 | 2005-08-17 | 国际壳牌研究有限公司 | Diesel fuel compositions |
| CN102485854A (en) * | 2010-12-01 | 2012-06-06 | 叶友明 | Formula for emulsified diesel oil |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3464521A1 (en) | 2019-04-10 |
| BR112018073099B1 (en) | 2022-05-03 |
| JP2019519638A (en) | 2019-07-11 |
| MY188254A (en) | 2021-11-24 |
| EP3464521B1 (en) | 2021-09-08 |
| CN117965212A (en) | 2024-05-03 |
| ZA201807392B (en) | 2019-08-28 |
| BR112018073099A2 (en) | 2019-03-06 |
| PH12018502470A1 (en) | 2019-09-16 |
| WO2017203003A1 (en) | 2017-11-30 |
| JP7045332B2 (en) | 2022-03-31 |
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