163 results about "Cetane Improver" patented technology

This invention is a composition of matter useful as a compression-ignition fuel. The composition has from about 30 to about 95 mass % of a light synthetic crude or syncrude, preferably from Fischer-Tropsch synthesis or related processes, and from about 5 to about 70 mass % of a blending stock that improves one or more desirable fuel property(s) including but not limited to pour point temperature, viscosity and emissions generated during combustion in a diesel engine. The blend stock preferably has an average molecular weight less than the average molecular weight of the light syncrude. Preferred blending stocks include hydrocarbons and oxygenates, such as alcohols, and ethers, having average molecular weights less than 200, preferably less than 160. The composition may optionally also contain pour point depressants, cetane improvers, carbon-containing compounds which react with water, and / or emulsifiers.

A diesel fuel additive is provided that includes beta-carotene stabilized with 2,2,4-trimethyl-6-ethoxy-1,2-dihydro-quinoline. The additive may be added to any liquid hydrocarbon fuel, solid hydrocarbon fuel, or other hydrocarbonaceous combustible fuel to reduce emissions of undesired components during combustion of the fuel, provide improved fuel economy, engine cleanliness, and / or performance. A method for preparing the additive is also provided.

This invention relates to an emulsified water-blended fuel composition comprising: (A) a hydrocarbon boiling in the gasoline or diesel range; (B) water; (C) a minor emulsifying amount of at least one fuel-soluble salt made by reacting (C)(I) at least one acylating agent having about 16 to 500 carbon atoms with (C)(II) ammonia and / or at least one amine; and (D) about 0.001 to about 15% by weight of the water-blended fuel composition of a water soluble, ashless, halogen-, boron-, and phosphorus-free, amine salt, distinct from component (C). In one embodiment, the composition further comprises (E) at least one cosurfactant distinct from component (C); in one embodiment, (F) at least one organic cetane improver; and in one embodiment, (G) at least one antifreeze. The invention also relates to a method for fueling an internal combustion engine comprising fueling said engine with the composition of the present invention.

Cetane improvers based on triglycerides and petroleum fractions are disclosed that are at least one half as effective as commercially sold cetane improvers. In each case, the cetane improvers are nitrates produced through the nitration of medium to long chain compounds containing a double bond. Applications include use with diesel and alcohol fuels intended for use in diesel engines. The nitrates have advantages due to their good performance relative to their nitrogen content. Observed properties of some products indicate they also have lubricity and / or detergency enhancing capabilities when used with diesel fuel.

The present invention is one kind of environment friendly energy-saving diesel oil and its compounding process, and belongs to the field of petroleum technology. The environment friendly energy-saving diesel oil is compounded with fatty methyl ester 5-50 wt%, base oil 10-60 wt%, GB diesel oil 5-50 wt%, cetane number improver 0.1-2 wt%, pour point depressant 0.1-2 wt%, viscosity regulator 1-10 wt%, deodorant 0.1-2 wt%, smoke-eliminating oil saver 0.1-2 wt%. The production process of the present invention is simple and low in cost, and the environment friendly energy-saving diesel oil has lowered consumption, high dynamic property, high stability, good low temperature starting performance and environment friendship.

The invention relates to the technical field of chemical industry and relates to a multifunctional diesel composite additive capable of reducing the oil consumption and reducing the pollution of the exhaust emission. The diesel composite additive is mainly formed by uniformly mixing a clearing agent, a smoke abatement combustion improver, a cetane number improver, a pour point reducer, an antioxidant, a metal corrosion inhibitor and a cosolvent. The diesel composite additive can improve the clearness, the low-temperature mobility, oxidation resistance and corrosion resistance of the diesel, also can improve the combustion performance of the fuel, can reduce the oil consumption and can reduce the pollution of the exhaust emission.

This invention relates to an emulsified water-blended fuel composition comprising: (A) a hydrocarbon boiling in the gasoline or diesel range; (B) water; (C) a minor emulsifying amount of at least one fuel-soluble salt made by reacting (C)(I) at least one acylating agent having about 16 to 500 carbon atoms with (C)(II) ammonia and / or at least one amine; and (D) about 0.001 to about 15% by weight of the water-blended fuel composition of a water soluble, ashless, halogen-, boron-, and phosphorus-free, amine salt, distinct from component (C). In one embodiment, the composition further comprises (E) at least one cosurfactant distinct from component (C); in one embodiment, (F) at least one organic cetane improver; and in one embodiment, (G) at least one antifreeze. The invention also relates to a method for fueling an internal combustion engine comprising fueling said engine with the composition of the present invention.

A fuel additive composition includes: a) a reverse-micellar composition having an aqueous disperse phase that includes cerium dioxide nanoparticles in a continuous phase that includes a hydrocarbon liquid, a surfactant, and optionally a co-surfactant and b) a reverse micellar composition having an aqueous disperse phase that includes a cetane improver effective for improving engine power during fuel combustion. A method of making a cerium-containing fuel additive includes the steps of: a) providing a mixture of a nonpolar solvent, a surfactant, and a co-surfactant; and b) combining the mixture with an aqueous suspension of stabilized cerium dioxide nanoparticles.

The present invention relates generally to a composition and method for increasing the amount of cetane in fuel. More specifically, it was discovered that the amount of cetane in fuel can be increased by mixing a fuel additive comprising β-carotene that was prepared in an inert atmosphere.

A diesel fuel composition is disclosed, as well as a method for reducing NOx emissions from a diesel engine at minimum fuel consumption wherein the diesel engine operates in a low temperature combustion mode, comprising the step of adding to the diesel engine at least one diesel fuel or blending component for a diesel fuel having a combination of a low T50 in the range of from 190° C. to 280° C., a high cetane number in the range of from 31 to 60, and an effective emissions reducing amount of a nitrogen-free cetane improver.

The invention belongs to the field of chemical industry, relating to a diesel additive component, in particular to a novel diesel additive component capable of improving various diesel properties. The invention discloses the novel diesel additive component comprising cetane number improver, clean dispersant, combustion improver, antioxidant and metal passivator and low-temperature flow improver. The diesel additive provided by the invention has a strong cleaning function, removed carbon deposit particles are easy to disperse in diesel without causing the phenomena of fuel path blockage and the like. The novel diesel additive component provided by the invention also contains antioxygen and anticorrosion components, thus various parts of the fuel path system can be inhibited from rusting and corroding, and the service life is prolonged.

This invention relates to an emulsified water-blended fuel composition comprising: (A) a hydrocarbon boiling in the gasoline or diesel range; (B) water; (C) a minor emulsifying amount of at least one fuel-soluble salt made by reacting (C)(I) at least one acylating agent having about 16 to 500 carbon atoms with (C)(II) ammonia and / or at least one amine; and (D) about 0.001 to about 15% by weight of the water-blended fuel composition of a water soluble, ashless, halogen-, boron-, and phosphorus-free, amine salt, distinct from component (C). In one embodiment, the composition further comprises (E) at least one cosurfactant distinct from component (C); in one embodiment, (F) at least one organic cetane improver; and in one embodiment, (G) at least one antifreeze. The invention also relates to a method for fueling an internal combustion engine comprising fueling said engine with the composition of the present invention.

The invention relates to the technical field of fuel oil, particularly a marine methanol fuel oil and a preparation method thereof. The marine methanol fuel oil is prepared from the following raw materials in percentage by mass: 10-50% of methanol, 30-80% of 0# diesel, 1-10% of oleamide, 1-10% of methylene ammonium salt, 0.5-5% of antioxidant, 1-10% of thiadiazole derivative, 1-10% of pentaerythritol ester, 0.5-15% of phthalate ester, 1-15% of unsaturated fatty acid soap, 5-35% of low-carbon fatty alcohol, 1-5% of cosolvent, 1-10% of naphthenate, 1-10% of cetane number improver and 3-15% of combustion improver. The marine methanol fuel oil is used on ships, and can reduce the consumption of diesel. The product provides similar power to 0# diesel, and can effectively lower the carbon emission. The swelling capacity for rubber is equivalent to 0# diesel. The corrosivity of the marine methanol fuel oil for engines is low, and satisfies the Chinese Standard requirement for 0# diesel corrosivity.

The invention discloses a compression ignition engine automobile exhaust cleaning agent prepared from the following raw materials in percentage by mass: 6-35% of ethanol, 1-15% of polymethoxy acetal, 0.1-3% of diethylene glycol alkyl ether, 10-24% of stabilizer, 0.5-3% of cetane number improver, 0.3-3% of hydrodynamic lubricant, 0.5-3% of smoke cleaning agent and the balance of methanol. The hydrodynamic lubricant is a mixture obtained by uniformly mixing dimethyl carbonate, fatty acid methyl ester and fatty acid ethyl ester according to a certain proportion. The invention also discloses preparation and using methods of the exhaust cleaning agent. The compression ignition engine automobile exhaust cleaning agent disclosed by the invention has favorable comprehensive performance on the aspects such as oil solubility, stability, detergency and dispersibility, dynamic property, lubricating property, corrosion resistance, environment-friendly regeneration property, catalytic synchronous combustibility and the like, and is convenient to use, good in economical efficiency, easy to apply in production and wide in market prospect.

Fuel compositions are provided which comprise synergistic combinations of a biodiesel or biodiesel blend, an antioxidant comprising a mixture of at least one diphenol and at least one sterically hindered phenol, and a cetane improver. The fuel compositions described herein exhibit a unique combination of improved oxidation stability and enhanced ignition quality.

The invention discloses an emulsion diesel additive and emulsion diesel and making method, wherein the emulsion diesel additive is composed of anti-oxidant, metal passivator and cetane number modifier; the emulsion diesel contains 30-100g water, 3-40g lipophilic emulsifier, 0. 5-20g hydrophilic emulsifier and 0. 1-10g emulsion diesel additive. The invention is compatible with emulsion diesel with high stable, which can be reserved for a long time.

Improved highly stable formulation for aqueous fuel emulsion compositions with a water continuous phase, having reduced NOx emissions. The fuel emulsion formulation includes diesel fuel, purified water, and an additive package that includes one or more surfactants, lubricity additive, cetane improver, anti-corrosion additive, and an alcohol or other suitable antifreeze, the emulsion having an average droplet size of less than 10 microns.

The invention relates to the technical field of clean energy, in particular to clean fuel oil. The clean fuel oil is prepared from methanol, vacuum one-line heavy diesel oil, a combustion improver, sebate, 2-hydroxy-4-n-octyl-oxy-diphenyl ketone, a metal deactivator, pentaerythritol ester, biodiesel, benzyl alcohol, C4-12 fatty alcohol, a solubilizing surfactant and a cetane number improver according to a certain proportion. As various additives of certain quantities are added into methanol and vacuum one-line heavy diesel oil, the clean fuel oil is excellent in stability while the methanol content is high, and is low in corrosivity and swelling property, is as good as 0# diesel oil in energy consumption and power performance, and meets the national standards of physical and chemical quality indexes of 0# diesel oil. As the clean fuel oil contains large quantities of methanol and biodiesel, not only is the consumption of mineral diesel oil reduced, but also emission of hazardous substances and smoke is effectively reduced, the environmental protection performance is excellent, and the exhaust emission index meets the European No. VI emission standard.

The invention relates to a lubricating anti-wear diesel start protection additive, belonging to the field of diesel additives. The additive comprises the following components in percentage by weight: 5-10% of low-molecular ether A, 10-20% of combustion improver B, 5-15% of detergent C, 10-30% of pour point depressant D, 10-30% of cetane number improver E and 10-60% of solvent F. The additive produced by a conventional production process is added into diesel at a concentration proportion of 800-4,000ppm, and the cold filter plugging point of the diesel can be remarkably reduced while the fluidity, lubricating property, combustibility and start protection of the diesel can be improved.

The invention discloses an additive and automotive methanol diesel oil thereof and a preparation method of the methanol diesel oil. The additive comprises (by wt%) mixed fatty acid esters 15, unsaturated fatty acids 7, mixed fatty acids 15, castor oil 2.8, a palmitic acid 5, a cetane number improver 0.1, C4 to C10 fatty alcohols 30, a corrosion inhibitor 0.03, ethyl acetate 11, a combustion improver 0.06, butyl acetate 9, a dispersant 0.01 and hydrogenated ricinoleic acid 5. The methanol diesel oil comprises (by wt%) methanol 10 to 30, biological diesel oil 18 to 34, standard diesel oil 26 to 67 and the additive of the invention 5 to 10. The preparation method of the methanol diesel oil comprises the following steps of: adding methanol and the additive of the invention into a mixing tank at the ratio, mixing, sequentially adding the biological diesel oil and the standard diesel oil into the mixing tank at the ratio and mixing uniformly. The additive has the advantages of low material cost and simple preparation process, and the methanol diesel oil has the advantages of stable performance, low cost, simple preparation method and easy popularization.

The invention relates to a diesel oil additive. The diesel oil additive comprises, by weight, 20-80 parts of a cetane number improver, 3-40 parts of a tension ring caged hydrocarbon pentacyclic[5.4.0.0<2.6>.0<3.10>.0<5.9>]hendecane and 5-50 parts of assistant, and the cetane number improver is alkyl nitrate. The assistant can be one or a mixture comprising more of a solvent, a surfactant, a pour-point depressant, a cleaning dispersant, a smoke eliminating and combustion supporting agent and a stabilizer. The diesel oil additive has the advantages of simple production technology, low price, realization of saving of oil by 1-5% after the addition of 0.1-0.6wt% of the additive to diesel oil, reduction of the oil consumption of diesel engines, effectively reduction of the emission of harmful substances in tail gas, and good use effect.

The invention relates to a micro-emulsified environment-friendly diesel fuel additive, which is characterized by comprising the following composition by weight percentage: 1) 58-70% of high acid value oil, 2) 15-18% of base catalyst, 3) 2-5% of emulsifier, 4) 4-6% of co-solvent, 5) 2-5% of cetane number improver, 6) 0.05-2% of smoke suppressor, 7) 0.02-1% of cleaning agent, 8) 0.5-3% of auxiliary agent and 9) 0.2-2% of pour-point depressant, wherein the sum of the compositions is 100%. The invention has the advantages that the diesel fuel additive can be used for vehicle, ship, agriculture and engineering machinery, and can be taken as fuel used for klin and oil furnace. After one year preservation, the diesel fuel additive is in a water-in-oil state without layering, and enables infinite intersolubility with common diesel fuel. According to the invention, the fuel saving rate is 12%, the discharged nitrogen oxide, hydrocarbon, carbon monoxide, particles and smoke intensity can be decreased by 15%-40%.

The invention discloses a diesel additive, and belongs to the field of chemical engineering. Aiming at problems of the conventional diesel additives, the invention provides a multifunctional diesel additive. The diesel additive consists of the following components: a cetane number improver, a stabilizer, a disperser, a cleaning agent, an antismoke agent and a diluent. The diesel additive can improve the cetane number of diesel to a great extent. Dialkoxy alkane can be decomposed when meeting light, heat and metal ions, so N,N-dimethyl(tetradecyl)amine is selected as the stabilizer to prevent the dialkoxy alkane from being decomposed, and the stability of the dialkoxy alkane in the diesel is kept. The cleaning agent is N,N-bis(salicylidene)-propanediamine, and can clean carbon deposition on a fuel injection pump, a fuel spray nozzle and a piston ring of a diesel engine to keep a smooth oil line, so that the combustion performance and economic performance of the diesel engine are improved. The antismoke agent has a good combustion-supporting antismoke effect, so that a fuel is fully combusted, the tail gas emission of the diesel engine is greatly reduced, and requirements of environmental protection and energy conservation are met.

The invention relates to a diesel oil cetane number improving agent composition, which contains organic peroxide and organic amine. The invention also provides diesel oil, and the cetane number improving agent adopted by the diesel oil is the diesel oil cetane number improving agent composition provided by the invention. The diesel oil cetane number improving agent composition overcomes the defect that the cetane number of the diesel oil using the organic peroxide cetane number improving agent composition goes down along the time, and effectively improves the cetane number of the diesel oil and keeps the stability thereof. The diesel oil cetane number improving agent composition can be applied to light diesel oil, heavy diesel oil, Fischer-Tropsch diesel oil and boiler fuel oil. The diesel oil added with the diesel oil cetane number improving agent composition has the improved diesel oil cetane number which has stability, thus the combustion performance is improved, the power performance and the economical performance of an engine are improved, and the tail gas emission pollution of the engine is improved.

The invention belongs to the technical field of chemical industry, and particularly relates to an environment-friendly combustion-supporting diesel fuel additive and a preparation method thereof. Theenvironment-friendly combustion-supporting diesel fuel additive is prepared from the following raw materials in percentage by weight: 2 to 5 percent of cetane number improvers, 0.5 to 1.0 percent of ferrocene, 0.2 to 0.4 percent of rare earth metal salts, 1 to 3 percent of anti-corrosion agents, 5 to 15 percent of plant oil and the balance of aviation kerosene. The prepared environment-friendly combustion-supporting diesel fuel additive has the advantages that the preparation process is simple; the cost is low; the energy-saving environment-friendly diesel fuel additive has good cleaning and purification effects; the diesel fuel quality can be effectively improved; the hexadecane number of the diesel fuel is increased; the diesel fuel combustion efficiency is improved; the full combustionof the fuel is promoted; the oil consumption is reduced; the carbon deposit in an engine cylinder body is reduced; the engine dynamic property is improved; the discharging of harmful substances of theengine tail gas is reduced; the discharging of black smoke and particulate matters is obviously reduced; the diesel fuel is effectively saved; the tail gas exhaust is reduced; the tail gas exhaust pollution is reduced; the environment-friendly effect is promoted.

The invention relates to the field of clean energy. In order to solve the problem that existing biodiesel is poor in safety and popularization in application, the invention provides an alcohol ether biodiesel which is formed by uniformly mixing 68-92wt% of base liquid, 0.15-1.5wt% of cetane number improver, 5-8wt% of linear ether, 1.5-3wt% of surfactant, 0.03-1wt% of pour point depressant, 1.3-3.5wt% of cosolvent and 0-15wt% of degenerated methanol. The base liquid is a mixed liquor of oleyl alcohol and octanol or cocoanut oil alcohol. The mass ratio of cocoanut oil alcohol and octanol in the mixed liquor of oleyl alcohol and octanol is arbitrary. The linear ether is any one or more of linear ethers. The surfactant comprises alkanolamide. The pour point depressant comprises any one or more of an ethylene-vinyl acetate copolymer, a methyl acrylate polymer or a styrene ester polymer. The cosolvent is isobutanol or n-butanol. The degenerated methanol is formed by mixing methanol and hexamethyl phosphoramide. The alcohol ether biodiesel is high in combustion ratio, high in safety, low in manufacturing cost and convenient to widely popularize.

The invention relates to methanol diesel oil which comprises methanol, diesel oil, fatty acid, petroleum acid, cosolvent, aviation kerosene, a cetane number improver and zinc peroxide. The invention further relates to a preparation method of the methanol diesel oil. According to the methanol diesel oil, the content of methanol in a system is greater, the methanol diesel oil has better mutual solubility with fossil diesel oil, the performance of the methanol diesel oil is improved obviously, and the methanol diesel oil can serve as -20# diesel oil for use, and is safe, environment-friendly and low in raw materials cost. The preparation method is simple in step, mild in condition and suitable for large-scale industrial production.

The invention discloses a multifunctional diesel oil cetane number improver, relates to a diesel oil additive and concretely relates to synthesis and compound of a hydrocarbon as a diesel oil cetane number improver and an anti-oxidant. The invention provides a preparation method of the lycopene hydrocarbon. The preparation method has simple processes and a low cost. The multifunctional diesel oil cetane number improver comprises 1-20% of the hydrocarbon and 80-99% of a traditional cetane number improver. The composition has the advantages of 1, simple and safe synthesis technology, 2, light product color and high stability and 3, good compound effects.

The invention belongs to the technical field of coal chemical industry, particularly relating to a method for producing diesel by hydrogenating anthrancene oil. The diesel produced by the method of the invention has high cetane number, which meets a national standard. The method of the invention is as follows: A, the anthrancene oil, light distillate oil and heavy absorber oil are mixed to obtain mixed oil; B, the mixed oil and hydrogen are mixed and reacted for pre-hydrogenation; C, the hydrogen is supplemented to the pre-hydrogenated product in step B and then the hydrogenation is carried out again, the unreacted hydrogen is separated from reaction effluent, and the separation of oil-water-gas is carried out to obtain oil liquid; D, the oil liquid in step C is rectified to obtain diesel fraction; E, the diesel fraction is mixed with the hydrogen and then enters an upgrading reactor to react, the unreacted hydrogen is separated from the reaction effluent, and the separation of oil-water-gas is carried out again to obtain upgraded diesel; and F, a cetane number improver is added in the upgraded diesel to obtain the diesel. By using the method, the jam of a pipeline caused by anthrancene oil crystals can be avoided, thereby prolonging the service life of a catalyst; and the prepared product meets national standard requirements.