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Matches 151 - 200 out of 430

Document Document Title
WO/1993/025636A1
The present invention concerns a process for desulfurization of hydrocarbon products, in particular oil and other liquid fuels. According to the invention a hydrocarbon feedstock is mixed with an alkaline aqueous solution or suspension i...  
WO/1993/025635A1
A method of removing halogenated aromatic compounds contained in small amounts in a hydrocarbon oil comprising mainly nonaromatic hydrocarbon oils safety without fail. The method comprises bringing the hydrocarbon oil into contact with a...  
WO/1992/008770A1
Commercially valuable oil is recovered from refinery-produced, Resource Conservation and Recovery Act classified, hazardous waste oil sludges by a series of volatilizing and condensing steps (which may vary depending on the oil, water, a...  
WO/1987/007904A1
Method of treating a first stream having mercaptan or mercaptan-based compounds therein by contacting said first stream with a second stream, wherein said mercaptan or mercaptan-based compounds are either extracted, catalytically oxidize...  
WO/1985/004894A1
An alkaline solution containing mercaptides is regenerated in an improved process wherein the alkaline solution to be regenerated containing a suitable oxidation catalyst is contacted with an oxygen-containing solvent which is inmiscible...  
WO/1985/003516A1
Said process for the desulphuration of fuel oils comprises the addition to washing water of a catalyst solution comprised of: 1.5-15.0 g of calcium hydroxide, 60.0 g of polyethylene glycol having a molecular weight comprised between at l...  
WO/1985/001955A1
The level of halogenated aromatics is reduced in a hydrocarbon stream by treatment with an alkaline reactant in a sulfoxide solvent.  
WO/1985/000826A1
A process for eliminating by destruction polychlorinated bi-phenyls from hydrocarbonaceous oil contaminated therewith. The oil is admixed with liquid sodium in an atmosphere of argon gas and allowed by refluxing, mixing, agitation, and h...  
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To provide a new process for separating two or more immiscible liquids.When an admixture of immiscible liquids of disulfides and caustic solution, created during a process for the removal of sulfur and other contaminants from hydrocarbon...  
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To provide a lubricant base oil having low viscosity at a low temperature (40°C), being excellent in viscosity index and low-temperature fluidity, and having a high flash point, and to provide a method for producing the same.The lubrica...  
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To reduce the capital invested to an apparatus by combining a caustic-prewashing section, an extractor, a sedimentation separation tank and a sand filter constituting the apparatus, in the apparatus and a method for extracting sulfur com...  
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To provide a method for reforming a heavy oil by simply removing sulfur components contained in the heavy oil under mild conditions.The method for reforming a heavy oil is characterized by removing sulfur components contained in the heav...  
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To provide an apparatus for removing a phosphoric ester in waste oil and a treatment system of waste oil containing PCB.This apparatus includes: a delivery tank 14 which delivers a predetermined amount of waste oil 13 including a phospho...  
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To provide a new method for manufacturing reclaimed oil using waste oil or regenerated heavy oil as a raw material, which method reduces an amount of concentrated sulfuric acid, caustic soda, and white clay required for regeneration, com...  
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To provide a method for stably and economically removing or reducing sulfur content, over a long period of time, from cracked oil gas components which is obtained from an apparatus for cracking heavy oil in the absence of hydrogen and co...  
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Matches 151 - 200 out of 430