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WO/2001/066671A2 |
The present invention provides a process for removing sulfur compounds including sulfur in the (-2) oxidation state from liquid or gas feed streams, particularly hydrocarbon feed streams. According to the process, such a feed stream incl...
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WO/2001/060490A1 |
Vertical extending liquid/liquid contacting column, which column will, when in use, contain a dispersed and a continuous liquid phase, the column having a top liquid feed inlet, a top liquid outlet, a bottom liquid feed inlet, a bottom l...
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WO/2001/060952A1 |
A process for upgrading a feedstream, said process comprising: (a) solvent deasphalting, under solvent deasphalting conditions, said feedstream to obtain a first product stream comprising deasphalted oil and a second product stream compr...
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WO/2001/059033A1 |
Sulfur compounds are removed from a hydrocarbon stream. In a preferred embodiment, a gasoline stream from a fluid catalytic cracker is extractively distilled in an extractive distillation column (C-201) to reject olefins to a raffinate s...
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WO/2001/053431A1 |
The present invention is a process to remove a +2 ionic charged, organically bound metal from a petroleum feed. The process includes contacting feed with aqueous carbon dioxide in the essential absence for emulsion formation.
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WO/2001/051590A1 |
The hydrocarbon to be used, together with water vapour, is subjected to thermal steam cracking, whereby said hydrocarbon is in the vapour state. The hydrocarbon is heated to temperatures ranging from 700 to 1,000 °C during steam crackin...
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WO/2001/048118A1 |
A method for separating sulfur species from hydrocarbon streams, particularly cracked naphtha streams, using extractive distillation. The method effectively separates sulfur species from cracked naphtha streams without substantially lowe...
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WO/2001/042395A1 |
An extraction zone (10) is shown having a feed inlet (14) for introducing a lube oil feedstock such as a distillate feed, an aromatic extraction solvent inlet (16), an extract outlet (18) and a raffinate outlet (20).
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WO/2001/040150A1 |
Aromatic compounds can be removed from an aliphatic hydrocarbon fluid by contacting the fluid with a non-neutral ionic liquid that comprises a metal halide-derived anion.
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WO/2001/036566A1 |
A light portion is extracted from feed oil by a separation system. The light portion is then subject to a hydrotreatment to obtain impurity-removed fuel oil which is stored in an intermediate tank. A residue of the feed oil after extract...
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WO/2001/028651A1 |
A method for removing corrosive contaminants from a polar extraction solvent comprises adding water to the solvent to provide a mixture. Then the mixture is contacted with a basic ion exchanger resin to remove the corrosive contaminants....
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WO/2001/027225A1 |
The invention described herein is directed to: (a) slurry hydroprocessing (SHP) of a feed under SHP conditions; (b) deasphalting, under deasphalting conditions the product obtained from said step (a) and recovering a solvent deasphalted ...
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WO/2001/007537A1 |
A method for concentrating the amount of alkylated mono-aromatics in a lubricating oil feedstock useful as a feedstock for sulfonation. The method comprises extracting a feedstock rich in aromatics with a solvent selected from NMP, pheno...
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WO/2000/071494A1 |
A process for upgrading hydrocarbonaceous oil containing heteroatom-containing compounds where the hydrocarbonaceous oil is contacted with a solvent system that is a mixture of a major portion of a polar solvent having a dipole moment gr...
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WO/2000/071639A1 |
The feed (8) to vacuum pipe still (10) is an atmospheric reduced crude. Various distillate cuts shown as (12) light, (14) (medium) and (16) heavy may be sent to solvent extract unit (30) via line (18). The bottoms from vacuum pipe still ...
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WO/2000/071645A1 |
The process is drawn to producing a lubricating oil basestock having at least 90 wt % saturates and a VI of at least 105 in unit (42) then the hydroconverted raffinate is conducted through line (46) to heat exchanger (48).
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WO/2000/052115A1 |
A process for the production of a process oil, the process comprising: a) contacting a petroleum distillate with a polar solvent in an extraction column which operates with a bottom temperature of 30 to 80°C, b) withdrawing a primary ra...
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WO/2000/046322A1 |
This invention relates to a process for deacidifying a crude oil system, said process comprising the steps of: (a) contacting the crude oil system with a polar solvent, such that at least part of the organic acid present in the oil is ex...
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WO/2000/043471A1 |
The present invention relates to a method of extracting and concentrating oils from materials in which the oils are already dispersed. More particularly, the present invention is concerned with the extraction of fixed oils or mineral oil...
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WO/2000/042127A1 |
A slurry hydroprocessing process for upgrading a hydrocarbon feedstock containing nitrogen and sulfur using bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals wherein the ra...
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WO/2000/042131A1 |
Hydroprocessing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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WO/2000/042120A1 |
Hydrotreating a petroleum feedstream comprised of at least 50 wt. % of an atmospheric distillation distillate boiling range product stream, preferably hydrodesulfurization of raw virgin petroleum distillates, using a bulk multimetallic c...
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WO/2000/042128A1 |
Hydrocracking process for hydrocracking petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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WO/2000/042121A1 |
Hydrofining of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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WO/2000/042125A1 |
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrodesulfurizing stage containing one or ...
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WO/2000/042124A1 |
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrdesulfurzing stage containing one or mo...
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WO/2000/041988A1 |
An improved process for preparing alcohols by the Oxo process. More particularly this invention relates to an improvement in the hydrogenation step of the Oxo process characterized in the use of certain bulk multimetallic hydrogenation c...
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WO/2000/042082A1 |
This invention provides a process for hydrotreating hydrocarbon resins, which process comprises contacting a feedstock comprising a hydrocarbon resin or rosin, under suitable hydrotreating conditions, with a bulk multimetallic catalyst c...
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WO/2000/042129A1 |
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrodesulfurizing stage containing one or ...
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WO/2000/042119A1 |
Hydroconversion processing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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WO/2000/039251A1 |
The invention is a process of removing solids, particularly catalyst fines, from an asphaltene-containing hydrocarbon liquid. The process comprises contacting an asphaltene-containing hydrocarbon liquid with a solvent to create a mixture...
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WO/2000/027957A1 |
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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WO/2000/024845A1 |
The invention relates to a process for enhancing demetallation of metals containing hydrocarbonaceous feedstocks by contacting a metals containing hydrocarbonaceous feedstock at a sufficient temperature and pressure with an additive cont...
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WO/2000/023540A1 |
A process for the conversion of hydrocarbons that are solid or have a high boiling temperature and may be laden with metals, sulfur or sediments, into liquids (gasolines, gas oil, fuels) with the help of a jet of gas properly superheated...
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WO/2000/006670A1 |
The invention is the integration of a process of gasifying asphaltenes in a gasification zone by partial oxidation and the process of asphaltene extraction with a solvent. The integration allows low level heat from the gasification react...
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WO/1999/058625A1 |
A process for removing impurities from a hydrocarbon component or fraction comprises mixing, in a liquid-liquid extraction step, an impurity-containing liquid hydrocarbon component or fraction, as an impure liquid hydrocarbon feedstock, ...
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WO/1999/050375A1 |
The instant invention is directed to a process for extracting organic acids from a starting crude oil comprising the steps of: (a) treating the starting crude oil containing naphthenic acids with an amount of an alkoxylated amine and wat...
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WO/1999/050376A1 |
The instant invention is directed to a process for extracting organic acids including naphthenic acids, heavy metals, and sulfur from a starting crude oil comprising the steps of: (a) treating the starting crude oil containing organic ac...
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WO/1999/041327A1 |
A process for producing a lubricating oil basestock having at least 90 wt.% saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone (20) to a two step hydroconversion through a first h...
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WO/1999/041338A1 |
A process for producing a high VI/low volatility lubricating oil basestock. The process comprises subjecting the raffinate from a solvent extraction step (40) to a two-step, single-stage hydroconversion process wherein the first step inv...
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WO/1999/041337A1 |
Waxy feeds are treated under hydroisomerization conditions to produce good yields of an isomerate product of high VI by using a silica-alumina based catalyst in which the silica-alumina has a pore volume less of 0.99 ml/gm (H¿2?O), an a...
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WO/1999/019425A1 |
A process for upgrading heavy crude oil production is described which involves adding a diluent, or solvent, which is a light hydrocarbon to reduce the viscosity and specific gravity of the crude oil being processed. After dilution, the ...
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WO/1999/013024A1 |
A method for producing a heavy crude oil from a subterranean formation through a wellbore and converting the heavy crude oil into a product distillate hydrocarbon stream and at least one of heat, steam, electricity and synthesis gas by s...
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WO/1999/011740A1 |
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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WO/1998/045387A1 |
A method of generating power from residual fuel oil that is deasphalted with a flow of process steam to produce a deasphalted oil stream, a pitch stream, and a deasphalting condensate stream. The deasphalted oil stream is burned in a pre...
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WO/1998/044075A1 |
A process for reducing the Mutagenicity Index and/or the PCA content of a lubricating oil extract by re-extracting a lubricating oil extract with a second extraction solvent, different from the first extraction solvent, to form a seconda...
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WO/1998/042410A1 |
A continuous, recycling, solvent extraction process for the separation and extraction of halocarbon contaminants, particularly organochlorines such as polychlorinated biphenyls from hydrophobic materials, especially hydrophobic liquids a...
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WO/1998/024517A1 |
A process for the removal of contaminants from a material, for example PCB's, from for example sludge or slurries is described, the process comprising contacting the sludge or slurry with a C�1?-C�4? fluorinated hydrocarbon, especial...
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WO/1998/015361A1 |
In order to eliminate PCB, etc., from fibrous material such as insulating paper to which a high-pressure transformer insulating oil containing PCB adheres or which is impregnated therewith to an undetectable level by washing, the fibrous...
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WO/1998/014534A1 |
The present invention is a process to remove a +2 ionic charged metal from a petroleum feed. The process includes contacting feed with carbon dioxide at a temperature between 40 �C and 200 �C and autogenous pressure. In a preferred e...
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