9 results about "Cetane Improver" patented technology

The invention relates to the field of methanol fuels, and particularly discloses a synthetic environment-friendly methanol fuel and a preparation method thereof, the synthetic environment-friendly methanol fuel comprises the following raw materials by weight: 50-70 parts of methanol, 15-30 parts of biomass blend oil, 1-4 parts of a mutual solvent, 0.5-2 parts of a cetane number improver, 0.01-0.05 part of a cleaning dispersant, 0.002-0.01 part of a metal corrosion inhibitor, 0.003-0.015 part of an acid neutralizer, and 0.005-0.02 part of a stabilizer. The biomass blend oil is prepared from waste animal and vegetable oil through transesterification and hydrogenation upgrading processes. According to the invention, the biomass blend oil is prepared from waste animal and vegetable oil through ester exchange and hydrogenation upgrading processes, so that resource utilization of wastes is realized, and more importantly, the inherent defects of too low cetane number and insufficient heat value of methanol are effectively overcome due to the characteristics of high cetane number, high saturation and low oxygen content of the biomass blend oil; the fuel can be stably and efficiently combusted in a compression ignition engine, meanwhile, emission of particulate matter and uncombusted hydrocarbon is remarkably reduced, and environmental friendliness is embodied from the source.

This invention belongs to the field of diesel additive technology, and particularly relates to a diesel cetane number improver and its preparation process, comprising the following steps: mixing isooctyl nitrate, n-hexadecane, n-eicosane, oleic acid, and 2,6-di-tert-butyl-p-cresol to obtain a premix; mixing anhydrous ethanol, glycerol, and an emulsifier, adding the premix, reacting, and drying to obtain microparticles; mixing ethyl acetate, isopropanol, n-butanol, and an emulsifier, adding hexadecyl alcohol and EVA-210 to dissolve, to obtain a film-forming solution; mixing ethyl acetate and isopropanol, adding the microparticles and the film-forming solution, removing ethyl acetate, isopropanol, and n-butanol, adding the solution to liquid paraffin and mixing to obtain the diesel cetane number improver. The diesel cetane number improver prepared by this invention can prevent isooctyl nitrate from directly contacting the external environment, slow down the generation rate of free radicals, effectively improve and stabilize the cetane number of diesel, and maintain the cetane number of diesel at a high level for a longer period of time.

The invention relates to the technical field of diesel additives, and particularly discloses a multi-effect composite diesel additive and a preparation method thereof. The additive comprises the following components in parts by weight: 7-11 parts of an anti-wear agent, 5-8 parts of a cetane number improver, 4-6 parts of a clearing agent, 2-3 parts of an antioxidant, 3-4 parts of a solubilizer, 3-4 parts of a pour point depressant, 1-2 parts of a preservative and 4-7 parts of a multifunctional additive. The invention also provides a preparation method of the composition. All the components act together to achieve the multiple effects of improving the combustion quality, reducing emission, strengthening lubrication and the like, in addition, the prepared auxiliary agent integrates multiple functions, and the oil phase adaptability and the functional strength can be guaranteed.

The application discloses an environment-friendly and energy-saving diesel engine clean fuel, and particularly relates to the technical field of clean fuel.The environment-friendly and energy-saving diesel engine clean fuel is prepared from an additive and kerosene in a mass ratio of 1:(300-430).The additive comprises the following raw materials in parts by mass: a cetane improver 40-62 parts, an anti-knock agent 5-10 parts, an anti-corrosion agent 15-30 parts, dimethyl silicone oil 8-10 parts, and a cleaning agent 3-6 parts.The additive is mixed with kerosene, the stability of the fuel is further improved, the utilization rate of the fuel is improved, so that the prepared clean fuel can be effectively combusted in use, and environmental pollutants generated in the combustion process are reduced.

The invention provides a multifunctional composite methanol fuel additive and a composite methanol fuel for a compression ignition engine, and belongs to the technical field of new energy fuels, the multifunctional composite methanol fuel additive comprises the following components by volume percent: 30-40% of cetane number improver 2, 5-dimethoxymethylfuran, 5-10% of antioxidant 2, 5-dimethoxymethylfuran, 1-5% of antioxidant 2, 5-dimethoxymethylfuran, 1-5% of antioxidant 2, 5-dimethoxymethylfuran, 1-5% of antioxidant 2, 5-dimethoxymethylfuran, and the balance of water. The lubricating oil is prepared from the following components in percentage by weight: 5 to 8 percent of 2, 2 '-(2-methylpropane-1, 3-diyl) dihydroquinone, 10 to 15 percent of catechin serving as a corrosion inhibitor, 3 to 5 percent of triarylimidazole serving as an anti-wear agent and 35 to 45 percent of p-methyl anisole serving as a cosolvent. The methanol fuel product disclosed by the invention has good intersoluble stability, can be stably stored for more than one year without layering under the conditions of normal temperature and normal pressure, solves the problems of corrosion and swelling of metal parts and rubber and plastic parts, prolongs the service life of a machine, improves the rate of a heat transfer process, and accelerates a combustion process.

The invention belongs to the technical field of diesel additives, and particularly relates to a diesel cetane number improver and a preparation process thereof, and the preparation process comprises the following steps: uniformly mixing isooctyl nitrate, n-hexadecane, n-eicosane, oleic acid and 2, 6-di-tert-butyl p-cresol to obtain a premixed solution; uniformly mixing absolute ethyl alcohol, glycerol and an emulsifier, adding the premixed solution, reacting, and drying to obtain particles; uniformly mixing ethyl acetate, isopropanol, n-butyl alcohol and an emulsifier, adding hexadecanol and EVA (Ethylene Vinyl Acetate)-210, and dissolving to obtain a film forming solution; and uniformly mixing ethyl acetate and isopropanol, adding the particles and the film-forming liquid, removing ethyl acetate, isopropanol and n-butyl alcohol, adding into liquid paraffin, and uniformly mixing to obtain the diesel cetane number improver. The prepared diesel oil cetane number improver can prevent isooctyl nitrate from being in direct contact with the external environment, slow down the generation speed of free radicals, effectively improve and stabilize the cetane number of diesel oil, and enable the cetane number of the diesel oil to be maintained at a high level in a long time.

The present invention is related to the use of nitrates of ethers of glycerol and ethanol as diesel cetane improvers, and the production process of the same, aiming at producing an additive from glycerol from biodiesel production and bringing to the additive market an option more economical and efficient to facilitate the ignition of diesel and improve the cetane number of said fuel.

The invention relates to a marine fuel composition comprising additivated CNSL and an improved cetane number. The composition comprises: - 65% to 99% by mass of a first component (a) comprising a fossil base, this first component having a sulfur content of at most 1.5% by mass, preferably of at most 1% by mass, more preferably of at most 0.7% by mass, and a flash point of at least 60°C, - 1% to 35% by mass of a second component (b) consisting of cashew nut shell liquid (CNSL), - 500 to 5000 ppm by mass of an additives composition (c) with respect to the sum of the masses of components (a) and (b), said additives composition (c) comprising: (i) one or more cetane improver additives, (ii) one or more deposit reducing additives.

A diesel fuel additive includes a cetane number improver and an at least one organometallic combustion catalyst in solution and / or at least one metal-oxide combustion catalyst in suspension.