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WO/2008/054570A1 |
A feedstream comprising tar is feed to a solvent deasphalter wherein it is contacted with a deasphalting solvent or fluid to produce a composition comprising a mixture or slurry of solvent containing a soluble portion of the tar, and a h...
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WO/2008/049188A1 |
A method has been developed for reducing the content of hydrogen sulphide in hydrocarbon streams. The method involves contacting a "sour" gas or fluid with a chemical formulation consisting of triethylene glycol and the reaction products...
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WO/2008/048309A2 |
This invention relates to a method for upgrading petroleum streams which have been treated with peroxide, extracted to remove oxidized sulfur and nitrogen compounds, dewaxed and hydrofinished. More particularly, peroxides are generated i...
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WO/2008/045629A2 |
A method of removing at least benzene from a hydrocarbon stream comprises concentrating aromatics in the hydrocarbon stream by passing the hydrocarbon stream through a membrane unit having at least one membrane to produce a permeate stre...
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WO/2008/041992A1 |
A process for producing olefins from biorenewable feedstocks has been developed. The process comprises first pretreating the feedstock, e.g. vegetable oil, to remove contaminants such as alkali metals and then cracking the purified feeds...
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WO/2008/034880A1 |
The invention relates to the use of an ionic liquid comprising a plane nitrogenous aromatic grouping carrying at least one positive charge and at least one halogen counter-ion, for extracting compounds which are inhibitors of catalytic r...
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WO/2008/024199A2 |
A method for rendering a high Reid Vapor Pressure natural gasoline feed suitable for addition to the gasoline pool by using steam stripping conditions that provide an overhead fraction that is suitable for thermal cracking, and a bottoms...
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WO/2008/013096A1 |
A process oil for rubber, which consists of an extract (A1) obtained by subjecting a deasphalted oil prepared by deasphalting a vacuum residue that is prepared from paraffin-base crude oil and that has a 1 vol % distillation temperature ...
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WO/2007/138307A2 |
A sulfur-containing acid removal process for deacidifying a crude oil and/or crude oil distillate containing sulfur-containing acids comprising the steps of: (a) contacting the crude oil and/or crude oil distillate containing sulfur-cont...
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WO/2007/119474A1 |
Disclosed is a process for production of a hydrocarbon, which can reduce the content of a water-insoluble oxygen-containing hydrocarbon in a hydrocarbon oil. An alcohol having 4 or less carbon atoms is injected into a reaction product pr...
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WO/2007/083213A2 |
The invention relates to a process for the preparation of biodiesel, which comprises the separation of the triglyceride component from the free fatty acid one, both of which are contained in at least one biolipid, the esterification of s...
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WO/2007/082179A2 |
A method of producing natural gas from a heavy hydrocarbon-containing subterranean formation includes: placing a catalyst having at least one transition metal into the formation, injecting an anoxic stimulation gas into the formation, an...
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WO/2007/071634A1 |
Method to measure the quantity of olefin species in a complex hydrocarbon mixture by means of comprehensive multi-dimensional gas chromatography, wherein a sample of the hydrocarbon mixture first passes a first capillary column comprisin...
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WO/2007/065327A1 |
This invention relates to a method for processing oil sand bitumen including solvent deasphalting and visbreaking oil sand bitumen to yield de-oiled asphalt (DOA) and components capable of being transmitted in pipeline. The method for pr...
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WO/2007/064629A1 |
Methods for reducing calcium deposition along surfaces in contact with the water phase of a resolved water/oil emulsion are disclosed. High calcium crude oil and the like are contacted with a sequestrant to form a sequestered calcium con...
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WO/2007/021531A1 |
An acid gas absorbent comprising a metal sulfonate, phosphonate or carboxylate of a hindered amine and a process for the selective removal Of H2S as well as other acidic components such as carbon disulfide, carbonyl sulfide and oxygen an...
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WO/2007/005298A2 |
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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WO/2006/133262A2 |
The disclosed process removes or reduces impurities such as asphaltenes, solids (especially solid fines), sulfur, metals, chlorides, water, salts, and acids from bitumen, oil sands, and crude oils with a wide range of gravities. A crude ...
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WO/2006/061482A1 |
The invention concerns a method for treating viscous hydrocarbon containing asphaltenes, which consists in performing the following steps: precipitating at least part of the asphaltenes by adding into the hydrocarbon an appropriate solve...
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WO/2006/063201A1 |
Disclosed is a process for upgrading a naphtha feed stream comprising light naphtha, heavy naphtha, or a combination thereof, for supplying to a cracking process. A naphtha feed stream can be supplied to a hydrotreater 142 to remove impu...
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WO/2006/039714A1 |
The fuel properties of petroleum hydrocarbon waste having an API gravity varying from about 5 to 30 are improved by heating the hydrocarbon to a temperature of about 35 °C to 90 °C and mixing the heated hydrocarbon stream with a suitab...
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WO/2006/016976A1 |
Extra heavy lube base stocks are separated from heavy lube oils with a polar solvent in an amount sufficient to form a first light phase and a second heavy phase. The phases are then separated and the solvent is removed from the second h...
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WO/2005/121280A1 |
Process to prepare a base oil having a kinematic viscosity at 100 °C of greater than 6 cSt from a Fischer-Tropsch derived wax having a T10wt% recovery boiling point of above 500 °C by performing the following steps, (a) contacting a ...
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WO/2005/116169A1 |
A process for removing sulfur-containing compounds from fuel, said process comprising contacting the fuel in liquid phase with air to oxidise the sulfur containing compounds, said contacting being carried out in the presence of at least ...
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WO/2005/111181A1 |
A process for the purification of spent process oil, which process comprises mixing the process oil with an additive comprising a liquid mixture of a) at least one alkanola-mine, and b) at least one member selected from the group consist...
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WO/2005/092953A1 |
The use of N-methylcaprolactame as a solvent, diluent, extraction agent, cleaning agent, degreasing agent, absorbing agent and/or dispersing agent, particularly as a partial or full substitute for N-methyl-2-pyrrolidone (NMP), chloridize...
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WO/2005/090447A2 |
The invention relates to the use of n-ethyl-2-pyrrolidone in the form of a solvent, diluent, extraction agent, cleaning agent, degreasing agent, absorption agent and/or dispersion agent, in particular in the form of a partial or complete...
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WO/2005/083039A1 |
Process to prepare a lubricating base oil having a saturates content of greater than 90 wt% and a viscosity index of greater than 90 starting from a vacuum distillate feedstock by performing the following steps: (a) contacting the vacuum...
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WO/2005/071047A1 |
The invention relates to a method for treating a hydrocarbon feedstock whose at least 80 % of compounds have a boiling point equal or higher than 340 °C. Said method also involves resin removal and consists in transferring said feedstoc...
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WO/2005/066313A2 |
A process to substantially reduce the sulfur content of a liquid hydrocarbon stream by contacting the hydrocarbon stream with an aqueous stream containing a mixture of one or more extraction agents selected from hypochlorites, cyanurates...
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WO/2005/063940A1 |
Process to prepare a haze free base oil having a cloud point of below 0 °C and a kinematic viscosity at 100 °C of greater than 10 cSt by performing the following steps: (a) hydroisomerisation of a Fischer-Tropsch synthesis product, (b)...
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WO/2005/063941A1 |
Process to prepare a haze free base oil having a kinematic viscosity at 100 °C of greater than 10 cSt from a Fischer-Tropsch wax feed by performing the following steps, (a) reducing the wax content of the feed by contacting the feed wit...
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WO/2005/056733A1 |
The instant invention relates to a method for producing low-sulfur, low-nitrogen diesel boiling range products involving contacting a diesel boiling range feedstream with an acidic solution to selectively remove heterocyclic nitrogen-con...
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WO/2005/056732A1 |
A diesel feed is sulfuric acid extracted followed by separating a nitrogen lean diesel. The nitrogen lean diesel is hydrodesulfurized. Hydrodesulfurization rates and measured at different hydrogen pressures. An activity credit is calcula...
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WO/2005/056729A1 |
The instant invention relates to an improved hydroprocessing method for lube boiling range feedstreams involving contacting a lube oil boiling range raffinate with an acidic solution to remove heterocyclic nitrogen-containing compounds p...
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WO/2005/056731A1 |
The present invention relates to the use of an acid treatment method to remove heterocyclic nitrogen-containing compounds from a feedstream and then subjecting the feedstream having a reduced amount of nitrogen-containing compounds to ca...
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WO/2005/056725A2 |
The instant invention relates to a method for producing low-sulfur, lownitrogen distillate boiling range products involving contacting a distillate boiling range feedstream with an acidic solution to selectively remove heterocyclic nit...
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WO/2005/056734A2 |
A low profile surface mountable inductive component (10) having an elongated core (12) having first and second ends (12a, 12b) and first and second supports (20, 22) for supporting the core. Metalized pads (28, 30) are provided on the su...
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WO/2005/056727A1 |
This invention relates to a process for recycling acid used to remove nitrogen contaminants from hydrocarbons using polymeric membranes to separate spent acid from the acid extraction of hydrocarbons into acid for recycle and acid for re...
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WO/2005/039728A1 |
The invention relates to a method for separating solvents consisting of halogenated hydrocarbons with a low molecular weight, from oil-containing solutions and suspensions, during the production of lubricating oil, by means of a solvent-...
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WO/2005/040308A2 |
The present disclosure is directed to a multi-stage system and a process utilizing said system with the design of reducing the sulfur-content in a liquid comprising hydrocarbons and organosulfur compounds. The process comprising at least...
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WO/2005/033249A1 |
A calcium-containing hydrocarbonaceous material is treated with an aqueous mixture, comprising acetate ion and an alkaline material and having a pH in the range of 3.0 to 5.0, in order to extract at least a portion of the calcium from th...
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WO/2005/001001A1 |
A process to produce base oils through the use of fractionation, solvent extraction, dewaxing, and hydrofinishing.
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WO/2004/080927A2 |
This invention relates to a commercially viable process for extracting oxygenates from a hydrocarbon stream, typically a fraction of the condensation product of a Fischer-Tropsch reaction, while preserving the olefin content of the conde...
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WO/2004/080928A2 |
This invention relates to a commercially viable process for extracting oxygenates from a hydrocarbon stream, typically a fraction of the condensation product of a Fischer-Tropsch reaction, while preserving the olefin content of the conde...
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WO/2004/067682A1 |
A process for desulfurizing a gasoline stream while continuing to maintain the octane rating of the blend stock. A gasoline stream containing sulfur compounds and olefins is introduced into a fractionation zone to produce a low boiling f...
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WO/2004/061054A1 |
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...
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WO/2004/058920A1 |
The present invention provides a process for the extraction of aromatics from petroleum fractions i.e. naphtha, kerosene and gas oil, using re-extraction route for recovery of solvent.
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WO/2004/016715A2 |
The invention relates to a method and a device for purifying petroleum fractions in order to produce fuel with a low content of sulphur and/or aromatic compounds. The inventive method consists in simultaneously distilling the petroleum f...
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WO/2004/007647A1 |
Process to prepare a heavy and a light lubricating base oil from a partly isomerised Fischer-Tropsch derived feedstock (1), said feedstock having an initial boiling point of below 400 °C and a final boiling point of above 600 °C by (a)...
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