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JP5271704B2 |
A highly effective liquid-liquid extraction process to remove nitrogen compounds and especially basic nitrogen compounds from aromatic light petroleum oils with excellent recovery employs de-ionized water, which can be acidified, as the ...
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JP5268190B2 |
A system for producing an auxiliary fuel stream containing a low concentration of sulfur compounds from a primary fuel stream includes a first separation stage separating the fuel into first vapor permeate and first retentate streams, a ...
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JP5222702B2 |
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JP5208497B2 |
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JP5205059B2 |
The use of one or more alkali metals, preferably sodium, to remove sulfur from hydrocarbon streams containing up to about 100 wppm sulfur. The hydrocarbon stream is introduced into a reactor where it is contacted with one or more alkali ...
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JP2013100466A |
To provide a multistage sulfur removal system and to provide a process for an auxiliary fuel system.The system for producing an auxiliary fuel stream containing a low concentration of sulfur compounds from a primary fuel stream includes ...
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JP5192136B2 |
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JP2013056066A |
To provide a method and apparatus for detoxicating halogen compound-containing oil, capable of more effectively neutralizing dehalogenated oil.The apparatus 1 for detoxicating PCB-containing insulating oil has a holding tank 11 for holdi...
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JP5124086B2 |
To provide an excellently safe process oil exhibiting characteristics comparable to those of a conventional aromatic oil without causing problems of carcinogenicity and to provide a simple method for producing the process oil. The proces...
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JP5120942B2 |
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JP5063650B2 |
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JP2012525469A |
A method for treating an interface rag includes the steps of removing a volume of rag at a controlled rate from an upstream rag source and passing the rag through a high pressure pump and a heater. The heater heats the rag to a temperatu...
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JP5024884B2 |
An unleaded gasoline composition having a sulfur content of 1 mass ppm or less and exhibiting sufficient driving performance and a method thereof are provided. A method for producing an unleaded gasoline composition having a sulfur conte...
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JP4943522B2 |
A novel process for the production of an extract useful as a process oil and a raffinate useful as a high-viscosity base oil by solvent refining is provided, characterized in that reduced pressure distillation is effected under the condi...
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JP4932257B2 |
An unleaded gasoline composition having a sulfur content of 1 mass ppm or less and exhibiting sufficient driving performance and a method thereof are provided. A method for producing an unleaded gasoline composition having a sulfur conte...
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JP2011241321A |
To provide a method for desulfurizing a hydrocarbon, by which sulfur components in the hydrocarbon can be removed at ordinary temperature and at the atmospheric pressure at a higher rate.The method for desulfurizing the hydrocarbon inclu...
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JP4800303B2 |
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JP4782474B2 |
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JP4724524B2 |
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JP4672739B2 |
A process for the removal of organic sulfur compounds, primarily oxygenated organic compounds, such as sulfates and sulfonic esters from a hydrocarbon liquid is disclosed which comprises contacting the hydrocarbon liquid with a coalescer...
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JP4626950B2 |
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JP4617313B2 |
A method for separating aromatic hydrocarbons from a feed stream. The method includes flowing the feed stream through a first channel within a first wafer assembly that may contain an underflow distribution weir. Next, the feed stream is...
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JP4594602B2 |
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JP4574843B2 |
An improved process for the recovery of aromatic compounds from a mixture containing aromatic and non-aromatic compounds and method for retrofitting existing equipment for the same is provided. The improved process comprises the steps of...
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JP4520808B2 |
To provide a method for producing an organosulfur oxide in a manner excellent in workability and operability, low in cost, and excellent in mass productivity and production output, in which an organosulfur compound such as a dibenzothiop...
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JP2010155858A |
To provide a modified method for recovering an aromatic compound from a mixture including the aromatic compound and non-aromatic compound(s), and to provide a method for retrofitting an existing plant for the above method. The modified m...
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JP4495791B2 |
A combined cycle power generating system in which power generating efficiency is increased when a combined cycle power generation is performed by using normal pressure residue oil obtained by distilling stock oil at normal pressure by a ...
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JP4490825B2 |
A process for the upgrading of raw hydrocarbon streams rich in heteroatomic polar compounds and/or unsaturated moieties involving the extractive oxidation of sulfur, nitrogen, conjugated dienes and other unsaturated compounds from said s...
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JP4480292B2 |
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JP4434588B2 |
Methods for removing sulfur from syngas in a Fischer-Tropsch reactor, and reactors including means for removing sulfur from syngas are disclosed. Sulfur-reactive metals can be used in the Fischer-Tropsch unit to sequester the sulfur. For...
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JP4399454B2 |
A process for catalytic hydrocarbon recombination is disclosed, in which catalytic hydrocarbons are fractionated at fractionators to fractionate a gasoline fraction and a diesel fuel fraction, an intermediate fraction is drawn; the inter...
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JP4386342B2 |
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JP4371937B2 |
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JP4355363B1 |
To reduce the amount of concentrated sulfuric acid, caustic soda and white clay required for regeneration in a method for producing recycled oil using waste oil or recycled heavy oil as a raw material, and as a result, after treatment. W...
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JP2009235406A |
To provide a method for purifying a sulfur-containing fuel oil which removes sulfur from the fuel using a catalyst and an oxidizing agent such as oxygen and hydrogen peroxide.The method for purifying the sulfur-containing fuel oil compri...
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JP2009235407A |
To provide a method for purifying a sulfur-containing fuel oil by using a water-soluble organic acid and oxygen and air.The method for purifying the sulfur-containing fuel oil comprises (a) contacting in a first reaction mixture the sulf...
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JP4330271B2 |
A product of reduced sulfur content is produced from a feedstock which is comprised of a mixture of hydrocarbons and includes sulfur-containing aromatic compounds as unwanted impurities. The process involves separating the feedstock by f...
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JP4295918B2 |
Bromine reactive hydrocarbon contaminants are removed from aromatic streams by first providing an aromatic feedstream having a negligible diene level. The feedstream is contacted with an acid active catalyst composition under conditions ...
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JP4290547B2 |
Economical processes are disclosed for production of components for refinery blending of transportation fuels which are liquid at ambient conditions by selective oxygenation of refinery feedstocks comprising a mixture of organic compound...
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JP4290010B2 |
This invention relates to an improved method of separating non-acid chemicals from a water rich stream produced during a Fischer-Tropsch (FT) reaction.
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JP4289334B2 |
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JP4283966B2 |
An integrated deethanizer and ethylene fractionation column and process for separating a feed stream comprising ethylene, ethane and C3+ is disclosed. A single shell houses a refluxed upper portion and a lower portion of the column. A ge...
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JP4268776B2 |
A system (10) for continuously removing alkali metal contaminants from liquid fuel supplied to a combustor (16) of a gas turbine (18) comprising: a source of fuel; means (12, 14, 26) for supplying the fuel to the gas turbine; a prefilter...
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JP4253579B2 |
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment co...
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JP4253577B2 |
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment co...
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JP4253578B2 |
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment co...
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JP4253580B2 |
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment co...
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JP4253581B2 |
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment co...
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JP4246397B2 |
The invention relates to a method for reprocessing waste oils and producing high-grade base oils, whereby waste oil is treated by means of distillation, thin-film evaporation in a high vacuum, optional fractionation for separation into l...
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JP4218751B2 |
A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membr...
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