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WO/2001/060950A1 |
Desulphurisation of a hydrocarbon feedstock by subjecting a portion of said feedstock to a pre-treatment step of partial oxidation, optionally in the presence of a catalyst, or adiabatic low temperature catalytic steam reforming, thereby...
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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/2001/057160A1 |
Fischer-Tropsch synthesized hydrocarbons comprising both a 500-750°F+ heavy fraction and a 500-750°F -light fraction are separately hydroisomerized by a single-stage, two-zone hydroisomerization process, in which at least a portion of ...
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WO/2001/057158A1 |
During catalytic dewaxing of paraffinic hydrocarbons, the exothermic catalytic dewaxing reaction is moderated by separating and cooling a heavy dewaxate having an initial boiling point of at least 800 °F+, and recycling it back into the...
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WO/2001/054138A1 |
Electrical oils having improved uninhibited oxidation and electrical resistance are derived by blending a substantially nitrogen and sulfur free paraffinic or naphthenic base oil with a hydrofined light gas oil having a sulfur to nitroge...
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WO/2001/048119A1 |
The invention concerns a method for selectively desulphurizing thiopene compounds contained in hydrocarbons derived from crude oil distillation, whether refined or not, which consists in oxidising the thiophene sulphur atoms into sulphon...
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WO/2001/042393A1 |
A petroleum processing method for separating stock oil into an atmospheric distillate, a vacuum distillate and a vacuum residue on distillation, characterized by comprising (i) an atmospheric distillation step for atmospheric-distilling ...
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WO/2001/039878A2 |
An adsorbent for organic sulfur compound removal from mineral, vegetable or animal oils useful to protect a hydrogenation catalyst against poisoning, wherein the adsorbent is a zinc-exchanged form of low silica faujasite with a silica to...
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WO/2001/036564A1 |
A process and apparatus to extract and recover heavy metals and sulfur from crude oil (3) or petroleum fuel products consisting of the steps of emulsifying (4) the crude oil with an emulsifying agent (5), adding a leach solution (14, 17)...
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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/2001/032809A1 |
Distillate fuel is selectively oxidised, preferably by hydrogen peroxide in the presence of a titanium silicalite catalyst to produce hydroxyl and/or carbonyl groups bonded to paraffinic carbon atoms of the diesel fuel molecules to provi...
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WO/2001/030942A1 |
A process for the removal of hydrocarbon contaminants, such as dienes and olefins, from an aromatics reformate by contacting an aromatics reformate stream with a hydrotreating catalyst and/or a molecular sieve. The hydrotreating catalyst...
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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/2001/023332A1 |
A hydrocarbon feedstock containing C¿5? olefins, C¿5? diolefins, CPD, DCPD, and aromatics is processed by the steps of heating a hydrocarbon feedstock (102) containing CPD, DCPD, C¿5? diolefins, benzene, toluene, and xylene in a heati...
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WO/2001/018156A1 |
The invention concerns a novel hydrocarbon base oil for lubricants, having a viscosity index not less than 130, comprising mainly long isoparaffinic hydrocarbon chains, branched over several carbon atoms. The invention is characterised i...
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WO/2001/016256A1 |
A process for the hydrodesulfurization (HDS) of the multiple condensed ring heterocyclic organosulfur compounds present in petroleum and chemical streams. The stream is passed through at least one reaction zone countercurrent to the flow...
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WO/2001/012757A1 |
The present invention is a process for producing a distillate fuel heavier than gasoline. The process is a Fischer-Tropsch (hydrocarbon synthesis) process that includes using ?13¿C NMR to measure cetane number and a cold flow property i...
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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/2000/077124A1 |
The instant invention is directed to a method for reducing the amount of sulfur in hydrocarbon streams comprising the steps of: (a) contacting a hydrocarbon stream comprising hydrocarbons and sulfur compounds with an adsorbent selective ...
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WO/2000/077125A1 |
A base oil feed having a tendency to form a haze at ambient or sub-ambient temperatures is contacted with a solid adsorbent to remove at least a portion of the haze precursors, thereby reducing the haze-forming tendency of the base oil f...
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WO/2000/073402A1 |
Process to prepare a lubricating base oil starting from a lubricating base oil which is obtained by first removing part of the aromatic compounds from a petroleum fraction boiling in the lubricating oil range by solvent extraction and su...
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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/2000/071643A1 |
A method for producing a process oil in which a naphthenic rich distillate is processed through a single hydrotreating stage, the hydrotreated distillate is then solvent extracted to yield a process oil which passes IP-346 and AMES scree...
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WO2000006526A9 |
Selectively permeable separation of aromatic hydrocarbons from non-aromatic hydrocarbons in a feed stream is accomplished using improved asymmetric membranes. The preferred membranes are fashioned from a polyimide and conditioned with a ...
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WO/2000/060029A1 |
The invention provides a process for the production of a synthetic naphtha fuel suitable for use in compression ignition (CI) engines, the process including at least the steps of hydrotreating at least a fraction of a Fischer-Tropsch (FT...
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WO/2000/058420A1 |
A process for the removal of impurities including organic sulphur and nitrogen compounds from a hydrocarbon feedstock containing at least 2 ppm by weight of organic nitrogen compounds comprising adding hydrogen to the feedstock and passi...
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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/2000/042123A1 |
During the hydrotreating process, hydrogen sulfide and short chain hydrocarbons such as methane, ethane, propane, butane and pentane are formed. The separation of gas from hydrotreated liquid hydrocarbons is achieved using a stripper and...
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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/2000/027950A1 |
The invention concerns an improved method for making high-quality basic oils optionally with simultaneous production of high-quality middle distillates, comprising hydrotreatment steps, preferably hydrocracking, on Y or beta zeolite, atm...
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WO/2000/026325A1 |
Crude oil is separated into a light oil and a normal pressure residual oil by an atmospheric distillation and the light oil is brought into contact with a pressurized hydrogen in the presence of a catalyst to perform a first hydrogenatio...
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WO/2000/024847A1 |
A hydroprocessing process for removing impurities from a feed (22) comprising a hydrocarbonaceous liquid comprises at least two cocurrent, upflow hydroprocessing reaction stages (14, 16) and a non-catalytic, vapor-liquid contacting stage...
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WO/2000/024846A1 |
A hydroprocessing process for removing impurities from a feed (30) comprising a hydrocarbonaceous liquid comprises at least one cocurrent, upflow hydroprocessing reaction stage (18), a vapor-liquid contacting stage (20) and a downflow hy...
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WO/2000/015319A1 |
A flow diagram of one embodiment of the invention having one catalyst bed (14A) in a distillation column/naphtha splitter (14).
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WO/2000/015736A2 |
A wide-cut lubricant base stock is made by hydroisomerizing and then catalytically dewaxing a waxy Fischer-Tropsch synthesized hydrocarbon fraction feed and comprises the entire dewaxate having an initial boiling point in the 650-750 °F...
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WO/2000/014184A2 |
A high VI and low pour point lubricant base stock is made by hydro-isomerizing a high purity, waxy, paraffinic Fischer-Tropsch synthesized hydrocarbon fraction having an initial boiling point in the range of 650-750 °F, followed by cata...
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WO/2000/014179A1 |
A premium synthetic lubricating oil base stock having a high VI and low pour point is made by hydroisomerizing a Fischer-Tropsch synthesized waxy, paraffinic feed wax and then dewaxing the hydroisomerate to form a 650-750 °F+ dewaxate. ...
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WO/2000/014187A2 |
Premium synthetic lubricants comprise a synthetic isoparaffinic hydrocarbon base stock and an effective amount of at least one, and typically a plurality of lubricant additives such as a detergent, dispersant, antioxidant, antiwear addit...
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WO/2000/014178A1 |
Upgrading of a hydrocarbon feed (11) containing sulfur, metals, and asphaltenes involves applying the feed (11) to a distillation column (14) for producing a substantially asphaltene-free, and metal-free distillate fraction and a non-dis...
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