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Matches 451 - 500 out of 782

Document Document Title
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.  
JP4289334B2  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
JP4216586B2
A process for desulfurizing fuels such as diesel oil and similar petroleum products to reduce the sulfur content to a range of from about 2 to 15 ppm sulfur is described. The sulfur containing fuel is contacted at slightly elevated tempe...  
JP2009013421A
To provide a workability improved process oil excellent in permeability in a rubber polymer and highly safe, and containing less than 3 mass% of a DMSO extract, and its production process.The process oil is a mixture of an extract with l...  
JP4208716B2
A process oil comprising a 95/5 to 5/95 by weight mixture of: an extract having a DMSO extractable content less than 3 wt% obtained by solvent-extracting an oil obtained by deasphalting a vacuum distillation bottom; and either a mineral ...  
JP2008297443A
To provide a method where heavy thermal cracking oil and an extract which are hardly converted to light oils are cracked without generating cokes.In the method for cracking hydrocarbon oil, at least one hydrocarbon oil selected from heav...  
JP4159368B2
A process for the catalytic oxidation of sulfur and nitrogen contaminants as well as unsaturated compounds present in a hydrocarbon fossil oil medium is described, the process comprising effecting the oxidation in the presence of at leas...  
JP2008527089A
A process is disclosed for removing highly deleterious non-basic nitrogen compounds upstream from an acid catalyzed thiophene alkylation process using adsorbents capable of adsorbing the non-basic nitrogen compounds.  
JP4117560B2
There is provided with a process for separating normal paraffins from hydrocarbons of C5-10 using zeolite molecular sieve 5A, which comprises the steps of (a) selective adsorption (b) cocurrent purge (c) countercurrent desorption. The pr...  
JP4102192B2
The present invention relates to Compositions of fuels for transportation are disclosed, particularly organic compositions which are liquid at ambient conditions. More specifically, it relates to transportation fuels comprising suitable ...  
JP4096114B2
For producing three effluents which are respectively rich in straight chain paraffins, in mono-branched paraffins, and in di-branched and tri-branched paraffins possibly with naphthenic and/or aromatic compounds, from C5-C8 cuts or inter...  
JP4057314B2
To provide a desulfurization method capable of sufficiently removing sulfur components in a fuel to enable the use of a noble metal or copper in a reduced state in the case of using a catalyst for various steps to produce hydrogen for fu...  
JP4037515B2
The processing oil contains polycyclic aromatic hydrocarbon, which is a substance known to be toxic to the human body, in an amount of less than 3 wt.% and an aromatic hydrocarbon in an amount of 25 wt.% or more, and has a kinematic visc...  
JP2007297639A
To provide a refinery-blending component of transportation fuel mild to the environment, and a method for preparing the same. The method for preparing the refinery-blending component comprises partitioning by distillation an organic feed...  
JP3982679B2  
JP2007521376A
Novel methods of treating a Fischer-Tropsch product by distillation are disclosed. Such methods are capable of removing soluble (and ultra-fine particulate) contamination, fouling agents, and/or plugging precursors from the Fischer-Trops...  
JP3865685B2
To provide a device and a method for removing contaminants comprising e.g. sulfur compounds (e.g. SO2) contained in a liquid fuel such as a heavy oil, a gasoline or a petroleum to thereby prevent environmental pollution. The raw material...  
JP3855816B2
To provide a reformed fuel for combustion equipment, obtained by removing vanadium in a heavy oil in a technique for producing a reformed oil by bringing a heavy oil into contact with a supercritical or subcritical water. A heavy oil is ...  
JP2006521192A
Method for purifying a liquid medium, including adsorbing the impurities contained in the liquid medium using a sorbent, separation and removal of the adsorbed impurities, and regeneration of the sorbent, wherein the impurities are oxidi...  
JP3789936B2
The present invention provides a process for obtaining a very clean mesophase pitch from isotropic pitch. This invention utilizes a solvent fractionation process which does not involve the process steps, yield loss and waste generation a...  
JP2006144020A
To provide a method for desulfurizing a distillate type hydrocarbon fraction by adsorption in a simulated moving bed without causing the substantial excessive consumption of hydrogen and/or the increase of an operation pressure.The prese...  
JP2006514145A
This invention is a method of purifying fuel streams containing organonitrogen and organosulfur impurities. The fuel stream is first treated to extract organonitrogen impurities so that the nitrogen content of the fuel stream is reduced ...  
JP3771120B2
To efficiently treat organic halogen compounds included in a contaminated oil while formation of by-products is suppressed when the organic halogen compounds included in the contaminated oil is treated. The means of the present invention...  
JP3767905B2
A method for controlling the manufacture of lubricating oils involving the steps of distillation, extracting, dewaxing and optionally hydrofining; or for controlling operating units associated with refinery or chemical processes with fee...  
JP2006512438A
The present invention provides a method for extracting aromatic compounds from petroleum fractions, i.e. naphtha, kerosene and gas oils, using a re-extraction route for solvent recovery.  
JP2006512453A
A novel hydrocarbon feedstream catalyst bed for the desulfurization of a gas or a liquid hydrocarbon feedstream and a process comprising passing a hydrocarbon feedstream over the catalyst bed is described. The bed comprises at least two ...  
JP2006511658A
A process is disclosed for the production of refinery transportation fuel or components for refinery blending of transportation fuels having a reduced amount of sulfur and/or nitrogen-containing impurities. The process involves contactin...  
JP2006036853A
To provide a method for refining in order to reduce or totally eliminate the content of a sulfur compound and the content of a hydrocarbon composed of a monocyclic ring or a condensed ring in a petroleum fraction after desulfurization in...  
JP2006036944A
To provide a method for refining in order to reduce or totally eliminate the content of sulfur oxides and the content of an aromatic hydrocarbon composed of a monocyclic ring or a condensed ring in a petroleum fraction after oxidative de...  
JP3730362B2
To remarkably decrease the power of a refrigerator by dimishing the refigerant energy for separating hydrogen and methane as compared with the conventional method and to increase the output by eliminating the problem that an existing dem...  
JP3724438B2
To remove vanadium from heavy oil by a method for treating heavy oil with supercritical water or subcritical water. In the method for treating and modifying heavy oil with supercritical water or subcritical water, supercritical water is ...  
JP2005330306A
To provide a method for desulfurizing naphtha to be a raw material for gasoline or petrochemistry by adsorptive desulfurization.The method for the adsorptive desulfurization of the naphtha comprises bringing the raw material naphtha havi...  
JP2005273652A
To provide a fuel delivery system to a gas turbine engine capable of processing fuel and increasing the usable cooling capability of the fuel, so as to eliminate components causing formation of coke.The fuel delivery system for the gas t...  
JP2005523370A
The present invention provides a process for reducing the nitrogen content of a liquid hydrocarbon feed wherein said process comprises a) contacting a liquid hydrocarbon feed comprising an alkylating agent and organic nitrogen species wi...  
JP2005194336A
To provide a desulfurization process of a hydrocarbon oil excellent in handleability, operationability, cost effectiveness, mass-productivity and productivity by which a low sulfur hydrocarbon oil with a sulfur content as low as about 10...  
JP3669340B2
To remove a metal such as vanadium in a heavy oil by a high- temperature high-pressure water to thereby prevent a catalyst from being poisoned and realize the use of a catalyst for a long time in the step of catalytic reaction such as hy...  
JP3647763B2
To provide a heavy oil reforming method which reforms a heavy oil to give a fuel suitable for a gas turbine, eliminates sulfur and vanadium, i.e., harmful components, from a heavy oil, and enables almost all the hydrocarbons in the heavy...  
JP2005507026A
Disclosed are fuel compositions for internal combustion engines comprising as a predominant component organic distillates which exhibit suitable physical properties, and a low-sulfur fraction of an alkylated petroleum feedstock which, fo...  
JP2005023090A
To provide a new method and a new apparatus for separation of a sulfur compound contained in petroleum which permits very efficient separation at a low cost dispensing with high temperature, high pressure, an expensive catalyst or the li...  
JP2005015522A
To provide a desulfurization method whereby the sulfur content of a liquid oil is effectively lowered by a simple method without increasing cost.The desulfurization method essentially comprises a first step wherein a liquid oil containin...  
JP2004269871A
To provide an unleaded gasoline composition with reduced sulfur content assuring satisfactory mode of operation and a preparation process thereof.The high octane number unleaded gasoline composition is produced by step 1 of fractional di...  

Matches 451 - 500 out of 782