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WO/1997/008271A1 |
The invention relates to a process for treating acidic crudes or fractions thereof to reduce or eliminate their corrosivity by addition of suitable amounts of Group IA or Group IIA oxides, hydroxides, hydroxides hydrates or naphthenate s...
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WO/1997/008270A1 |
The invention relates to processes for treating acidic crudes or fractions thereof to reduce or eliminate their acidity and corrosivity by addition of suitable amounts of Group IA or Group IIA oxides, hydroxides and hydrates. The process...
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WO/1997/008275A1 |
The invention relates to a process for treating naphthenic acid containing whole crudes or fraction thereof to reduce or eliminate their acidity by contacting the acidic whole crude or fractions thereof at a suitable temperature typicall...
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WO/1996/037279A1 |
The present invention provides a number of agents that are useful to inhibit aldol condensation in caustic scrubbers. Preferred agents include, but are not necessarily limited to benzoic hydrazide, hydroperoxides, hydrogen peroxide, salt...
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WO/1996/035500A1 |
The present invention provides a number of inhibiting agents that are useful to reduce aldol condensation in diethanolamine scrubbers. Suitable inhibiting agents include: hydrogen peroxide; hydroperoxides; nitroalkanes; salts of hypochlo...
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WO/1996/020133A1 |
The present invention provides for a method of decreasing the metals content of metal containing petroleum streams by forming a mixture of the petroleum fraction containing those metals and an essentially aqueous electrolysis medium, and...
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WO/1996/003198A1 |
Process and apparatus for desulfurizing the gaseous product of the vacuum distillation of the heavy fraction of crude oil. The initial gaseous mixture (8) to be desulfurized is an incondensible gas that contains hydrogen sulfide. A gas-l...
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WO/1995/028993A1 |
A method of decomposing a halogenated aromatic compound with an alkaline substance safely without fail, which comprises bringing the aromatic compound into contact with the alkaline substance in an aprotic polar solvent at a temperature ...
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WO/1994/014922A1 |
Described is a method of working up tar, tar products, distillation residues, coking residues, oil residues and similar organic compounds consisting of aromatic and other hydrocarbons or containing them, the products being worked up bein...
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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...
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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...
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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...
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WO/1989/001508A1 |
Used oils, in particular spent lubricating oils, are coarse filtered and then mixed with an aqueous solution of sodium or potassium silicate and an aqueous solution of polyalkylene glycol at high temperature with stirring. The mixture ob...
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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...
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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...
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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...
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WO/1985/001955A1 |
The level of halogenated aromatics is reduced in a hydrocarbon stream by treatment with an alkaline reactant in a sulfoxide solvent.
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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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JP2023166984A |
To provide methods and systems for purifying a sulfur-containing caustic fluid.A method for purifying a sulfur-containing caustic fluid comprises: (a) a step of mixing the sulfur-containing caustic fluid with a hydrocarbon solvent; (b) a...
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JP2023134382A |
To provide a method for producing a low-amount chloride-containing raw material from a chloride-containing crude oil or fat raw material.There is provided a method for producing a low-amount chloride-containing raw material from a chlori...
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JP7341252B2 |
A method is disclosed for preparing fuel components from waste pyrolysis oil. Exemplary embodiments include providing a waste pyrolysis oil having plastic pyrolysis oil and/or tyre pyrolysis oil, and impurities; purifying the waste pyrol...
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JP2023527781A |
The technology comprises the following steps: contacting a hydrocarbon feedstock with an effective amount of metallic sodium and an effective amount of an exogenous capping agent at a temperature of 250-500°C to produce a mixture of sod...
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JP2023527780A |
The present technology provides a method for improving the performance of downstream oil conversion. Thus, among other things, a method is provided for improving the yield of liquid hydrocarbons from heat conversion processes. The method...
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JP2022508650A |
SO generated during regeneration of used HDP catalyst2Methods and systems have been disclosed that utilize the sulfur reduction resources present in most refineries such as natural gas processing plants or other hydrocarbon processing pl...
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JP2021514022A |
A method of upgrading petroleum feedstocks, the step of introducing disulfide oil, water feed, and petroleum feedstock into the supercritical water upgrading unit, and operating the supercritical water upgrading unit to produce gas. A me...
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JP6844981B2 |
To provide a neutralization method of an acidic oil, and an oil with a reduced corrosivity obtainable by the method.There are provided: (1) A neutralization method of an acidic oil comprising adding a primary amine that has two alicyclic...
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JP6817656B2 |
The present technology provides a process that includes heating a first mixture of elemental sulfur and particles comprising an alkali metal sulfide in a liquid hydrocarbon to a temperature of at least 150°C, to provide a sulfur-treated...
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JP6681393B2 |
A system and method for cleaning sulfur and other pollutants from bunker oil to be used for fuel in large cargo ships is described. Preferably, the system includes two or more stages having a mixer to create an emulsion of oil and water....
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JP6648980B2 |
To provide a method which can remove COS contained in liquid hydrocarbon oil easily.A method for removing carbonyl sulfide in liquid hydrocarbon oil includes an absorption step for removing the carbonyl sulfide contained in the liquid hy...
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JP6582150B1 |
To provide a waste oil treatment method or the like capable of reducing a phosphate ion concentration in an organic phase. According to the present invention, a mixed liquid preparation step of preparing an oil-water mixed liquid contain...
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JP6527216B2 |
A process is provided that is directed to a steam pyrolysis zone integrated with a hydrotreating zone and a solvent deasphalting zone to permit direct processing of crude oil feedstocks to produce petrochemicals including olefins and aro...
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JP6526179B2 |
A process to produce a sulfur-free hydrocarbon product stream from a liquid hydrocarbon disulfide product, e.g., of the Merox Process, includes subjecting the hydrocarbon disulfide to a catalytic oxidation step to produce SO2 which is se...
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JP6514948B2 |
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JP6498980B2 |
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JP6480914B2 |
A process to facilitate gravimetric separation of alkali metal salts, such as alkali metal sulfides and polysulfides, from alkali metal reacted hydrocarbons. The disclosed process is part of a method of upgrading a hydrocarbon feedstock ...
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JP6464377B2 |
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JP6349312B2 |
In an improved fiber-film type contactor/separator an enhanced coalescing zone is provided by the presence of a disengagement device connected to a shroud that contains a bundle of high surface area vertical hanging fibers, where the enh...
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JP2017214507A |
To provide a method for neutralizing hydrochloric acid in desulfurized naphtha produced in the hydrogenation desulfurization of the naphtha fraction of a petroleum refining device producing various petroleum products such as LPG (liquid ...
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JP6186005B2 |
In a process to treat gaseous components obtained from an in situ recovery of liquid hydrocarbons from a hydrocarbonaceous deposit the mercaptans and hydrogen sulfide are separated from each other using lean oil and the hydrogen sulfide ...
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JP6162711B2 |
A reactor has two chambers, namely an oil feedstock chamber and a source chamber. An ion separator separates the oil feedstock chamber from the source chamber, wherein the ion separator allows alkali metal ions to pass from the source ch...
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JP6141439B2 |
A reactor has two chambers, namely an oil feedstock chamber and a source chamber. An ion separator separates the oil feedstock chamber from the source chamber, wherein the ion separator allows alkali metal ions to pass from the source ch...
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JP6080758B2 |
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JP6072790B2 |
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JP6062936B2 |
A process for removing sulfur, nitrogen or metals from an oil feedstock (such as heavy oil, bitumen, shale oil, etc.) The method involves reacting the oil feedstock with an alkali metal and a radical capping substance. The alkali metal r...
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JP6031204B1 |
[Subject] The present invention provides an alkaline wastewater treatment method which can reduce concentration of PCB contained in alkaline waste water. [Means for Solution] The present invention is an alkaline wastewater treatment meth...
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JP5980192B2 |
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JP5925002B2 |
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JP5872709B2 |
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JP5841229B2 |
A process for desulphurization of petroleum oil, comprising the step of diluting the feed oil with a suitable organic solvent prior to the desulphurization reaction, is disclosed. The organic solvent is selected from alkanes, alkenes, cy...
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JP5838211B2 |
A one-step process for desulfurizing an oxidized sulfone-containing fuel stream, such as a diesel stream, is disclosed where mass transfer and conversion of sulfone occurs simultaneously such that the sulfur atom in sulfone molecule is r...
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