162 results about "Cetane Improver" patented technology

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 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.

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.

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.

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.

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 oil additive for reducing cost, saving diesel oil and removing smoke and a use method of the diesel oil additive. The diesel oil additive comprises the following components in mass: 50-200 parts of dimethyl carbonate, 0.5-2 parts of cetane number improver, 0.3-1.5 parts of ferrocene, 0.03-0.1 part of naphthenate, 0.05-0.75 part of high-alkalinity sulfonate, 0.01-0.15 part of a dispersing agent, 0-0.05 part of surfactant, 0-0.5 part of palm oil, 0-0.5 part of castor oil, 0-0.1 part of propylene glycol and 0-1 part of oleic acid. By using the additive, diesel oil can be combusted more fully with very economical cost, thereby reducing the use cost of diesel oil, improving the performance of fuel and reducing soot emission.

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 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 discloses normal-temperature continuous production technology for a cetane number improver, which belongs to the technical field of the preparation of organic nitrate ester compounds, and comprises the steps of using nitramine or nitric acid and isooctanol to react under the action of a catalyst. The normal-temperature continuous production technology for the cetane number improver is characterized by changing concentrated sulfuric acid as the catalyst, using different proportions of the concentrated sulfuric acid, concentrated nitric acid and water to control different reaction temperatures and realize continuous production, returning waste acid to an acid distribution post for acid mixing according to the content of the acid, then circularly utilizing the waste acid, finally selecting a normal reaction temperature of between 8 DEG C below zero and 40 DEG C in order to the safety and the control of the purity and the yield of energy consumption and the like, and utilizing the proportion of acid mixing to control reaction rate to achieve optimum process conditions such as continuous recycling of the waste acid, continuous feeding nitrification and the like. The technology overcomes the disadvantages of unsteady quality of products, large potential safety hazard, high energy consumption and material consumption and the like, improves the yield, ensures that the quality of the products entirely and steadily reaches that of high-class products, and greatly improves the utilization efficiency of equipment.