Classifications

• • 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
  • C10L1/234—Macromolecular compounds
  • C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
  • C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)
  • C10L1/2387—Polyoxyalkyleneamines (poly)oxyalkylene amines and derivatives thereof (substituted by a macromolecular group containing 30C)
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
  • C10L1/00—Liquid carbonaceous fuels
  • C10L1/10—Liquid carbonaceous fuels containing additives
  • C10L1/14—Organic compounds
  • C10L1/16—Hydrocarbons
  • C10L1/1608—Well defined compounds, e.g. hexane, benzene
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
  • C10L1/00—Liquid carbonaceous fuels
  • C10L1/10—Liquid carbonaceous fuels containing additives
  • C10L1/14—Organic compounds
  • C10L1/16—Hydrocarbons
  • C10L1/1616—Hydrocarbons fractions, e.g. lubricants, solvents, naphta, bitumen, tars, terpentine
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
  • C10L10/00—Use of additives to fuels or fires for particular purposes
  • C10L10/04—Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
  • C10L10/00—Use of additives to fuels or fires for particular purposes
  • C10L10/06—Use of additives to fuels or fires for particular purposes for facilitating soot removal
• • 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
  • C10L2200/00—Components of fuel compositions
  • C10L2200/04—Organic compounds
  • C10L2200/0407—Specifically defined hydrocarbon fractions as obtained from, e.g. a distillation column
  • C10L2200/0415—Light distillates, e.g. LPG, naphtha
  • C10L2200/0423—Gasoline
• • 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
  • C10L2200/00—Components of fuel compositions
  • C10L2200/04—Organic compounds
  • C10L2200/0407—Specifically defined hydrocarbon fractions as obtained from, e.g. a distillation column
  • C10L2200/0438—Middle or heavy distillates, heating oil, gasoil, marine fuels, residua
  • C10L2200/0446—Diesel
• • 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
  • C10L2270/023—Specifically adapted fuels for internal combustion engines for gasoline engines
• • 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

Definitions

• the present disclosure relates to a diesel additive, in particular, to the diesel additive which can be used to remove carbon deposits at the nozzle of a diesel engine.
• CN1986751A1 discloses a diesel additive comprising polyether amine, polyisobutylene succinimide, boronated ashless dispersant and the like.
• U.S. Pat. No. 4,484,357 discloses a dye composition for preventing the carbon deposition at the nozzle of un-direct injection diesel vehicle, and its composition is succinimide, alkyl amine, and metal deactivator.
• U.S. Pat. No. 5,313,534 discloses a detergent using aliphatic amine and aliphatic amide to reduce the pollution of the diesel engine nozzle and the comprised aliphatic amine and aliphatic amide are straight chain alkyl groups.
• U.S. Pat. No. 5,752,989 discloses a composition comprising: a major proportion of compression ignition dye and a minor proportion of additive, and the additive comprises a dispersant and a carrying oil, wherein the dispersant comprises at least one ingredient of succinimides and polyalkyl amine, and the carrying oil comprises various kinds of polyethers.
• U.S. Pat. No. 8,915,976 B1 discloses a composition for increasing the fuel efficiency of the diesel, which comprises: tribenzyl phosphate ester (TCP), nonylphenyl polyether amine and glycol ether solution.
• TCP tribenzyl phosphate ester
• nonylphenyl polyether amine nonylphenyl polyether amine
• glycol ether solution glycol ether solution
• the present disclosure provides a diesel additive used to remove the carbon deposits at the nozzle of the diesel engine.
• Certain aspects of the present disclosure provide a diesel additive, which comprises 80-100 wt. % of a nonylphenol polyether amine and 0-20 wt. % of a diluent, based on the total weight of the diesel additive.
• Certain aspects of the present disclosure provide a method for preparing the diesel additive, which comprises the step of mixing the ingredients of the diesel additive.
• Certain aspects of the present disclosure provide a method for using the diesel additive, which comprises the step of adding the diesel additive to diesel.
• the diesel additive provided by the present disclosure has good diesel nozzle carbon deposit cleaning performance.
• the diesel additive provided by the present disclosure comprises 80-100 wt. % of a nonylphenol polyether amine and 0-20 wt. % of a diluent, based on the total weight of the diesel additive.
• the nonylphenol polyether amine contributes to remove the carbon deposits of the diesel engine (for example, the carbon deposits at the nozzle of the diesel engine).
• the polar amine group in the nonylphenol polyether amine can be adsorbed to the metal surface of the diesel engine, while the structure of nonylphenol is relatively similar to the structure of carbon deposits, so the carbon deposits attached to the metal surface (for example, the back side of the gas intake valve) of the diesel engine can be stripped down and dispersed into small particles, which can then be burned off in the combustion chamber.
• polyether amines may be used in gasoline additive to remove the carbon deposits of the gasoline engine, but it is difficult to be used in diesel additive to clean the carbon deposits of the diesel engine, because: (1) the work form of the diesel engine is significantly different from that of the gasoline engine, and the pressure and temperature in the diesel engine are much higher than those in the gasoline engine; (2) the compositions of the diesel and the gasoline are quite different, and with respect to the gasoline engine nozzle, the carbon deposits of the diesel engine nozzle is formed at a higher temperature and is harder to remove, so the cleaning effect of polyether amines for the carbon deposits of the diesel engine nozzle is not obvious; (3) the stability of polyether amines is relatively poor, and it is easy to decompose at high temperatures, which also leads to the polyether amines are difficult to be applied in the diesel additive.
• nonylphenol polyether amines can be used in the diesel additive, which have a good cleaning performance for the carbon deposits of the diesel engine nozzle.
• the nonylphenol polyether amines comprise the following general formula:
• the polyether amine has a molecular weight of 1700-3500.
• the polyether amine is present at a level of 80-100 wt. % based on the total weight of the diesel additive.
• the diesel additive may have the problem of a declined removal efficiency of the carbon deposits at nozzle.
• the diluent contributes to reduce the viscosity of the diesel additive.
• the diluent may comprise: at least one of the saturated straight-chain hydrocarbon solvents, cycloalkanes solvents, and mixed aromatic hydrocarbon agents.
• the diluent is present at a level of 0-20 wt. % based on the total weight of the diesel additive.
• the ingredients of the diesel additive can be mixed together to obtain the diesel additive.
• the description about each ingredient of the diesel additive can be found in the “Diesel Additive” section of the present description.
• the ingredients used to prepare the diesel additive can be added to a stainless steel vessel and mixed under the conditions of normal temperature (about 25° C.) and normal pressure (about 1 atm) to obtain the diesel additive.
• the diesel additive according to the present disclosure can be added into diesel.
• the diesel additive under the conditions of normal temperature (about 25° C.) and normal pressure (about 1 atm), the diesel additive can be added to the diesel in the proportion of 1:1000-1:2000.
• the description about the diesel additive can be found in the “Diesel Additive” section of the present description.
• the fuel comprises diesel.
• the diesel comprises, at least one of the 0# diesel and ⁇ 10# diesel.
• Specific embodiment 1 is a diesel additive, which comprises 80-100 wt. % of the polyether amine and 0-20 wt. % of the diluent, based on the total weight of the diesel additive.
• Specific embodiment 2 is the diesel additive according to the Specific embodiment 1, wherein, the nonylphenol polyether amine comprises the following general formula:
• Specific embodiment 3 is the diesel additive according to the Specific embodiment 1 or the Specific embodiment 2, wherein, the nonylphenol polyether amine has a molecular weight of 1700-3500.
• Specific embodiment 4 is the diesel additive according to any one of the Specific embodiments 1 to 3, wherein the nonylphenol poiyether amine is present at a level of 90-100 wt. %
• Specific embodiment 5 is the diesel additive according to am one of the Specific embodiments 1 to 4, wherein the diluent comprises: at least one of a saturated straight-chain hydrocarbon solvent, a cycloalkanes solvent, and a mixed aromatic hydrocarbon agent.
• Specific embodiment 6 is the diesel additive according to any one of the Specific embodiments 1 to 5, wherein the diluent is present at a level of 0-20 wt. %.
• Specific embodiment is a method for preparing the diesel additive according to any one of the Specific embodiments 1 to 6, which comprises the step of mixing the ingredients of the diesel additive.
• Specific embodiment 8 is a method for using the diesel additive according to any one of the Specific embodiments 1 to 7, which comprises the step of adding the diesel additive into diesel.
• Specific embodiment 9 is the method according 10 the Specific embodiment 8, wherein the fuel is diesel.
• Nonylphenol polyether Molecular weight is Huntsman Chemical Trading amine about 1000 Company PEA-L Nonylphenol polyether Molecular weight is Qingyuanxing Chemical amine about 1700 Technology Co. Ltd.
• PEA-PEO Nonylphenol polyether Molecular weight is Huntsman Chemical Trading amine about 2000 Company
• PEA-H Nonylphenol polyether Molecular weight is Qingyuanxing Chemical amine about 3500 Technology Co. Ltd.
• the diesel additive was added to the fuel (for example, diesel) in the proportion of 1:1000.
• diesel engine nozzle carbon deposit removal rate test was used to measure the capability of the diesel additives provided by the present disclosure to remove carbon deposits at the nozzle of the diesel engine. When the carbon deposit removal rate was measured to be greater than 50%, it indicated that the tested diesel additive had a good ability to remove the carbon deposits at the nozzle of fuel engine.
• test reagents and test equipment involved in “diesel engine nozzle carbon deposit removal rate test” are listed in the following table 1b.
• the carbon deposit collector (an aluminium plate with 10 cm length and 8 cm width) was soaked in anhydrous ethanol for 60 minutes, until its surface was bright and had no stains. Then the carbon deposit collector was cleaned by running water and soaked in anhydrous ethanol for 5 minutes, then picked up with tweezers and placed into a an oven, at 100° C. to dry for not less than 15 minutes.
• 100 ml base diesel was taken and poured into the metal sample cup.
• the diesel additive provided by the present disclosure was added into the diesel according to the volume ratio and stirred well.
• the mixed aids were poured into the oil sample and stirred 1 minute by using the aids formulation method in the step 3.1.
• the cup lid was covered, and the oil feeding pipe was inserted.
• the temperature thermocouple of the deposit collector was drawn out and the waste oil box was taken out.
• the slider (the slider was a removable metal block on L-3 diesel cleaning performance test machine, through which the oil tubes can be communicated and the reciprocating injection of the diesel can be simulated) was lifted up and moved to the left side of the transmission bracket platform.
• the oil output pipe was placed above a 50 ml beaker, and the clamping mechanism of the heater was loosened, and then the deposit collector was removed with forceps;
• Silicone grease was firstly wiped off the backside of the cooled deposit collector with a paper towel, and then the cooled deposit collector was placed in a beaker filled with n-heptane, soaked for 1 min and then removed out.
• the deposit collector was soaked into a breaker filled with petroleum ether and taken out after 1 min.
• the experiment was carried out by repeating the steps of 4.1 to 4.13, except that the diesel sample added with diesel additive was used.
• m represents the mass of the carbon deposits generated during the test, and the unit is mg
• m 1 represents the final mass of the carbon deposit collector in the test, and the unit is mg
• m 0 represents the initial mass of the carbon deposit collector in the test, and the unit is mg.
• ⁇ represents the carbon deposit removal rate of the diesel engine nozzle, and the unit is %:
• n the mass of the carbon deposits generated by the diesel during the test, and the unit is mg:
• m 2 represents the final mass of the carbon deposit collector in the test, and the unit is mg.
• the ingredients of the diesel additive are added to a stainless steel container and mixed to obtain the diesel-additives 1 to 5.
• the ingredients of the diesel additive are added to a stainless steel container and mixed to obtain the diesel additives C1 to C6.
• the diesel additives provided by the present disclosure have a good nozzle carbon deposit cleaning rate.
• Example 1 and Example 2 when the nonylphenol polyether amine in diesel additives is present at a level of 90-100%, the diesel additives provided by the present disclosure have a particularly good nozzle carbon deposit cleaning rate.
• Example 1 when the nonylphenol polyether amine in the diesel additives has a molecular weight of 1700-3500, the diesel additives provided by the present disclosure have a particularly good nozzle carbon deposit cleaning rate.
• the diesel additives provided by the present disclosure have good nozzle carbon deposit cleaning performance.

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• Chemical & Material Sciences (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Engineering & Computer Science (AREA)
• Organic Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Fuel-Injection Apparatus (AREA)
• Detergent Compositions (AREA)
• Solid Fuels And Fuel-Associated Substances (AREA)

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• 2015
  • 2015-10-29 CN CN201510716290.4A patent/CN106635203A/zh active Pending
• 2016
  • 2016-10-27 US US15/771,122 patent/US20180320095A1/en not_active Abandoned
  • 2016-10-27 WO PCT/US2016/059088 patent/WO2017075203A1/en active Application Filing

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