Abstract:
The present invention provides a fuel oil additive which can effectively improve the quality of fuel oil, comprising oil-soluble metal salt of organic acid having the general formula, MR, where R is organic acid radical, the corresponding organic acid is saturated or unsaturated fatty acid, naphthenic acid, aromatic acid, alkylphenol having (1-40) carbon atom; M is metal cation, the corresponding metal is alkali metal, alkaline earth metal, rare earth metal, transition metal, or the like, the present invention also provides fuel oil product with the fuel oil additive added to it, including oil such as gasoline, diesel oil, kerosene, heavy oil, resids, and the like. The present invention especially provides gasoline antiknock agent is characterized by features such as effectiveness, economy, safe, non-polluting environment, undamaged to human body, and no adverse effect on parts of automobile engine, etc.
Abstract:
The present invention relates to diesel fuel and lubrication oil defoaming agents, and crude oil demulsifiers, as well as methods for using same. In particular, the defoaming agents and demulsifiers are comprised of copolymers which have structures constituting a backbone of polysiloxane onto which is grafted an organic group. These structures comprise a polymer of the formula MDxD'yD"zM, where M is O.5Si(CH3)3, D is a OSi(CH3)2, D' is OSi(CH3)R, D" is OSi(CH3)R', R is a polyhydric C6-C28 organic group, R' is a phenol derivative or a long chain aliphatic group or polyethers, z is between 0 and 80, x+y+z is between 10-200, x/z is >/= 1, and x/(y+z) is between about 1 and about 5, or formula M'DaM' where M' is O.5Si(CH3)2R, a is between 4-10, and R and D are the same as defined above.
Abstract:
Emissions of pollutants from diesel engines (10) are reduced by a regimen for catalytically treating engine exhaust and, preferably, also the combustion of the fuel. The balance point of a diesel trap (30) is reduced to permit more efficient regeneration, preferably self-regeneration, while also reducing emissions of carbon monoxide and hydrocarbons by a combination of mechanical devices and fuel additives. The regimen requires the introduction of from 0.05 to 1 ppm of a platinum group metal catalyst (based on the volume of fuel combusted) into the particulates, by introducing at least half of the platinum group metal catalyst (50) directly into the hot exhaust gases (52, 20). Preferably, the platinum group metal catalyst is employed with a combustible organic liquid to aid in either progressively loading the trap (30) with the combustible organics or to combust in the hot combustion gases to facilitate burning of the particulates on the trap (30) for more effective regeneration. The judicious selection and use of an auxiliary catalyst metal (e.g., copper), preferably adding at least half of its total to the fuel as a fuel additive, is a preferred part of the regimen to achieve the lowest trap balance point.
Abstract:
Oil-soluble dispersant additives are disclosed. The additives comprise the reaction product of a functionalized 1-butene copolymer and at least one nucleophilic reactant selected from amines, amino alcohols, alcohols, and reactive metal compounds. The functionalized copolymer has within its structure at least one acyl functional group selected from the group consisting of C4 to C10 dicarboxylic acids and derivatives thereof and C3 to C10 monocarboxylic acids and derivatives thereof. The 1-butene copolymer is derived from 1-butene and at least one other alpha -olefin of the formula CH2=CHR', wherein R' is methyl or a C3 to C12 linear or branched alkyl group. The copolymer has a number average molecular weight of at least about 700, a molecular weight distribution of less than 5, and ethenylidene groups terminating at least about 30 % of all polymer chains. The dispersant additives are useful in oleaginous compositions including lubricating oil compositions and concentrates and fuel compositions.
Abstract:
A method to improve the operation of a diesel trap through the use of a fuel additive comprising fuel-soluble compositions of platinum group metal in effective amounts to lower the emissions of unburned hydrocarbons and carbon monoxide from the trap. The catalyst is selective and reduces the oxidation of SO2 to SO3. The platinum group metal compositions are preferably added in amounts effective to provide concentrations of the metal in the fuel of less than 1 part per million (ppm). Lithium and/or sodium compositions can be used in amounts effective to reduce the trap regeneration temperature, e.g. concentrations to provide about 1 to 100 ppm lithium metal, and/or 1 to 30 ppm sodium metal.
Abstract:
PROBLEM TO BE SOLVED: To provide a method for removing or inactivating a contaminant such as phosphorus, sulfur and lead in exhaust combustion gas. SOLUTION: An apparatus and a method are provided for delivering molybdenum from a lubricant source to a fuel combustion system or to the exhaust gas therefrom. The molybdenum derived from a lubricant or fuel and the phosphorus is interacted with sulfur and/or lead derived form a combustion product. In this manner, the molybdenum scavenges or inactivates harmful material migrated into the fuel or combustion product. A catalytic converter, a sensor and/or an automobile on-board diagnostic device therefore can be prevented from being poisoned by such a harmful material and the durability of an exhaust-after-treatment system can also be improved. COPYRIGHT: (C)2004,JPO&NCIPI
Abstract:
A process for regenerating a particulate filter placed in an exhaust gas line of an internal combustion engine including burning particles emitted during combustion of fuel in the engine and retained in the filter in the presence of an additive containing at least one low-molecular-weight compound including at least two hydroxyl groups and wherein the hydroxyl groups are released in a cold state and an apparatus for regenerating a particulate filter placed in an exhaust gas line of an internal combustion engine, wherein regeneration includes burning particles retained in the filter and emitted during combustion of a fuel in the engine, in the presence of an additive, including a reservoir of an additive solution containing at least one low-molecular-weight compound including at least two hydroxyl groups which are released in a cold state, a meter enabling precise and variable metering of selected quantities of the additive solution injected, a start/stop controller, an electromagnetic injector controller, and pressure regulator driven by and automatically controlled by the engine.