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Patent Searching and Data


Matches 551 - 600 out of 730

Document Document Title
JPH0377235B2  
JPH03220293A
PURPOSE: To accelerate the oxidation of mercaptan by bringing a hydrocarbon fraction, a metal chelate and a basic soln. containing a specified bipolar compd. into contact with each other in the presence of an oxidizing agent. CONSTITUTIO...  
JPH03174493A
PURPOSE: To provide a method for fixed bed sweetening of a mineral oil blend which can eliminate the need to use a base and to dry a carrier by solvent and can enhance the productivity by regulating the water content of a carrier and the...  
JPH0334369B2  
JPH03115392A
PURPOSE: To sweeten mercaptan-containing sour hydrocarbon by bringing the above mentioned hydrocarbon into contact with a metal chelate catalyst in the presence of an oxidizing agent, ammonium hydroxide and quaternary ammonium salt. CONS...  
JPH03103491A
PURPOSE: To catalytically reactively sweeten a sour hydrocarbon fraction by bringing a mercaptan-containing hydrocarbon fraction into contact with an alkali soln. containing a metal chelate and having a quaternary ammonium compd. added t...  
JPH0323588B2  
JPH02281095A
PURPOSE: To improve the cetane number of directly distilled diesel fuel by bringing the oil into contact with hydrogen peroxide in the presence of a carboxylic acid or bringing it into contact with a peroxycarboxylic acid. CONSTITUTION: ...  
JPH02269193A
PURPOSE: To soften a petroleum fraction in a fixed bed while periodically washing the catalyst support to convert it into a disulfide by catalytically oxidizing the mercaptans in a petroleum fraction in a fixed bed in the absence of any ...  
JPH02240195A
PURPOSE: To improve the cetane number of a visbreaking gas oil to such a value that it directly enters the application fields of a gas oil by bringing the oil into contact with H2O2 in the presence of a carboxylic acid or into contact wi...  
JPH0237959B2  
JPH0237386B2  
JPH0237386A
PURPOSE: To vary the luminance of a luminous body with a constitution whose number of parts is small, and also, whose cost is low by providing the light emitting body for emitting a light beam in accordance with the input of a driving si...  
JPH021876B2  
JPH01252695A
PURPOSE: To convert hydrocarbon by simultaneously letting occur dehydrogenation and oxidative reheating while contacting both steam and O2-containing gas with dehydrogenatable hydrocarbon in the presence of a specified single catalyst. C...  
JP01188589A
PURPOSE: To selectively and effectively remove extremely small quantities of mercury in a hydrocarbon base oil containing mercury, by adding a copper compound into the oil. CONSTITUTION: (A) Hydrocarbon base oil containing preferably ≤...  
JPH1176452A
To effectively absorb a shock so as to effectively prevent an injury or the like by providing a structure for emitting air from a large hole of a center sheet when a shock is received, and giving resistance to a flow of air to absorb a s...  
JP01176452A
PURPOSE: To improve the dehydrogenatability of hydrocarbons by depositing a platinum group metal component and a metal component selected from a group of Sn, Ge and Re on solid heat resistant oxide support particles of a specific diamete...  
JPH0132277B2  
JPH0121198B2  
JPS6470592A
PURPOSE: To inexpensively sweeten petroleum distillate by a catalyst with high activity and stability by separating and recirculating an alkaline phase containing the catalyst at a separation region after passing petroleum through a reac...  
JPH0113754B2  
JPS63503547A  
JPS6332836B2  
JPS63100938A  
JPS6317878B2  
JPS62290793A
PURPOSE: To easily conduct the desulfurization at a low cost without requiring a high temp. and a high pressure, by bringing ozone into contact with a hydrocarbon oil. CONSTITUTION: A hydrocarbon oil is brought into contact with ozone to...  
JPS62253690A  
JPS62250092A  
JPS62164790A  
JPS62115086A
PURPOSE: To improve the flammability and, at the same time, to reduce the fuel consumption through modification of a fuel oil, by mixing fresh water with a pressurized, heated fuel oil prior to combustion of a fuel oil such as heavy oil ...  
JPS62112690K1  
JPS62112690A
PURPOSE: To simply and safely decolor an oil at low cost, by blowing ozone at a predetermined temp. in a colored oil such as a mineral oil. CONSTITUTION: An oil 2a such as mineral oil is fed to the top of a reaction vessel 4 with a pump ...  
JPS6249934A  
JPS6249935A  
JPS6239693A  
JPS62586A  
JPS61249600A
PURPOSE: To make the easy sepn. of the oil-component and solid matter in oil-contg. sludge possible by making use of the partial combustion heat of the sludge. CONSTITUTION: The oil storage tank sludge 5 is brought into contact with an o...  
JPS61188490A  
JPS6135239B2  
JPS61157582A  
JPS6147793A  
JPS60231794A
PURPOSE: To utilize tar contained in fuel oil and prepare a smokeless diesel oil economically, by mixing ozone-contg. water into a low-grade fuel oil (e.g. C heavy oil) for suspension and emulsification. CONSTITUTION: Water is fed into m...  
JPS60231792A  
JPS60226594A
PURPOSE: To accomplish the titled modification by introducing both fuel oil and O2-contg. gas into a casing in which a magnetic field is formed followed by generation of both cavitation and induced electromotive force to decompose said f...  
JPS60223894A  
JPS6043399B2  
JPS60169660A
PURPOSE: To suppress generation of black smoke from fuels of lower quality and enhance the ignition performance by dissolving previously a gas including oxygen in the fuel through pressurization, and by atomizing by pressure the fuel con...  
JPS60137994A  
JPS60132651A  

Matches 551 - 600 out of 730