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WO/2005/047434A1 |
A process for producing lube oil basestocks involving solvent extracting a waxy feed to produce at least a lube oil boiling range raffinate, hydrotreating the lube oil raffinate to produce a hydrotreated raffinate, and dewaxing the hydro...
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WO/2005/047430A1 |
A process for cracking a naphtha feedstream to light olefins is presented. The process comprises converting aromatics and naphthenes to paraffins, and separating iso- and normal paraffins using a ring opening reactor (50) and an adsorpti...
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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/2005/037963A2 |
This invention relates to processes of producing lubricant base oils comprising paraffinic hydrocarbon components that have optimized branching. The lubricant base oils comprising paraffinic hydrocarbon components with optimized branchin...
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WO/2005/037959A1 |
The instant invention relates to a two step process for producing low sulfur olefinic naphtha boiling range product streams through nitrogen removal and selective hydrotreating.
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WO/2005/037960A1 |
A method to produce high quality lube oil products involving hydrotreating a waxy feed to produce a hydrotreated feed and subsequently hydroisomerizing and hydrodewaxing the hydrotreated waxy feed.
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WO/2005/019386A1 |
A process for the desulfurization of hydrocarbonaceous oil wherein the hydrocarbonaceous oil is contacted with a hydrodesulfurization catalyst in a hydrodesulfurization reaction zone (3) to reduce the sulfur level to a relatively low lev...
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WO/2005/019387A1 |
Naphtha streams, preferably cracked naphtha streams containing both olefinic compounds and mercaptans, are first treated to convert at least a portion of the mercaptans to disulfides followed by thiophene alkylation. This results in a su...
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WO/2005/019391A1 |
Naphtha is desulfurized with no octane loss by forming an iso-olefinic naphtha feed and then selectively hydrodesulfurizing it to produce a mogas naphtha. The iso-olefinic naphtha feed may be formed from cracked naphtha, by contacting it...
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WO/2005/019390A1 |
Naphtha is desulfurized with reduced or no octane loss by adding four to six carbon atom olefins to a raw naphtha feed to form an olefin-enriched feed, which is catalytically converted to an iso-olefinic naphtha and then selectively hydr...
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WO/2005/012463A1 |
The instant invention relates to a process to produce high octane, low sulfur naphtha products through the removal of basic nitrogen-containing compounds with subsequent skeletal isomerization of feed olefins and hydrotreating.
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WO/2005/012459A1 |
The instant invention relates to a process to produce high octane, low sulfur naphtha products through the simultaneous skeletal isomerization of feed olefins and selective hydrotreating.
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WO/2005/005582A1 |
Process to prepare a lubricating base oil having a saturate content of more than 90 wt%, a sulphur content of less than 0.03 wt% and a viscosity index of more than 80 starting from an intermediate lubricating base oil product having a sa...
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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/2004/113473A1 |
Process to prepare a base oil having a viscosity index of above 80 and a saturates content of above 90 wt% from a crude derived feedstock by (a) contacting a crude derived feedstock in the presence of hydrogen with a catalyst comprising ...
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WO/2004/106467A1 |
A process for producing low pour point diesel and lubricating base oil products by bulk dewaxing a C5 plus F-T syncrude (8), hydrofinishing the dewaxed intermediate (21), and recovering 120 degrees C plus products having improved propert...
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WO/2004/099346A1 |
A process for the extractive oxidation of contaminants from raw hydrocarbon streams rich in heteroatomic polar, compounds is described, the said process involving the extractive oxidation of sulfur and nitrogen compounds from said stream...
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WO/2004/099348A2 |
Processes for generating and removing oxidized sulfur species, and in particular sulfoxides, from crude oil and various fractions derived therefrom. Initially, the sulfur species present in the crude oil or fractions derived from the cru...
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WO/2004/081148A2 |
A hydrogen desulfurizer (11) includes a tank (17) designed for downflow of hydrocarbon feedstock containing a plurality of layers (41-44) of catalyst interspersed with layers (46-49) of adsorbent. The layers may all comprise baskets, the...
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WO/2004/073854A1 |
An unsupported catalyst composition which comprises one or more Group VIb metals, one or more Group VIII metals, and a refractory oxide material which comprises 50 wt% or more titania, on oxide basis, which is prepared by precipitation t...
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WO/2004/074407A1 |
The invention concerns a process for the preparation of detergents containing a relatively low amount of isoparaffins, comprising separating a hydrocarbonaceous product stream from a Fischer-Tropsch process using a cobalt based catalyst ...
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WO/2004/074408A1 |
This invention relates to a novel method for economically processing vacuum residue from heavy crude oils by selectively processing the difficult and easy components in reactors whose design and operating conditions are optimized for the...
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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/2004/067683A1 |
The invention relates to a modified hydrorefining catalyst, comprising a refractory oxide support, at least one metal of the group VIII and at least one metal of the group VI, both in an oxidised form, characterised in comprising at leas...
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WO/2004/060545A2 |
The present invention is directed to the removal of nitrogen and sulfur containing impurities from high molecular weight petroleum feedstock obtained from fluid cracking catalyst or distillation zone of a petroleum treatment plant. The p...
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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/2004/058922A1 |
Process for the conversion of heavy feestocks such as heavy crude oils, tars from oil sands and distillation residues, by the combined use of the following three process units: hydroconversion with catalysts in slurry phase (HT), distill...
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WO/2004/058921A1 |
The invention concerns a process for the preparation of detergents, comprising separating the hydro carbonaceous product stream from a Fischer-Tropsch, process producing normally liquid and normally solid hydrocarbons into a light fracti...
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WO/2004/058923A1 |
The present invention is directed to the removal of nitrogen and sulfur containing impurities from high molecular weight petroleum feedstock obtained from fluid cracking catalyst or distillation zone of a petroleum treatment plant. The p...
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WO/2004/056946A2 |
Process for the conversion of heavy feedstocks selected from heavy crude oils, distillation residues, heavy oils coming from catalytic treatment, thermal tars, oil sand bitumens, various kinds of coals and other high-boiling feedstocks o...
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WO/2004/056947A1 |
Process for the conversion of heavy feedstocks selected from heavy crude oils, distillation residues, heavy oils coming from catalytic treatment, thermal tars, oil sand bitumens, various kinds of coals and other high-boiling feedstocks o...
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WO/2004/053029A1 |
Process to prepare a base oil having a viscosity index of between 80 and 140 starting from a distillate or a de-asphalted oil by (a) contacting the feedstock in the presence of hydrogen with a sulphided hydrodesulphurisation catalyst c...
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WO/2004/035712A1 |
A process for the removal of basic nitrogen compounds from a hydrocarbon stream by contacting said stream with a cationic ion exchange resin or a salt thereof with a transition metal, said metal preferably being selected from copper, iro...
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WO/2004/033587A2 |
An integrated process is disclosed for dewaxing hydrocarbon feedstocks in a sour environment. The process includes hydrotreating, dewaxing, hydrofinishing or combination thereof wherein there is no disengagement between any of the proces...
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WO/2004/029179A1 |
The present invention concerns a process for oxidative desulphurization of hydrotreated hydrocarbon mixtures which boil within the range of 180° to 360°C, containing less than 350 ppm of sulphur as thiophenic compounds, said process co...
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WO/2004/022675A1 |
A process for preparing Fischer-Tropsch derived lubricating base oils by blending a Fischer-Tropsch distillate fraction having a viscosity of 2 or greater but less than 3 cSt at 100 degrees C with at least one additional Fischer-Tropsch ...
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WO/2004/009738A1 |
Silicon rubber composition comprising a hydrocarbon extender oil, wherein the oil is a Fischer-Tropsch derived oil. Process to prepare a silicon rubber extender oil having a CN number as measured according to IEC 590 of between 15 and 30...
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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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WO/2004/000975A1 |
Process for the preparation of medicinal white oil or a technical white oil from a Fischer-Tropsch derived paraffinic distillate bottom product, wherein said bottom product is contacted with a heterogeneous absorbent.
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WO/2003/095594A1 |
The invention relates to a method for the removal of gaseous organo-sulphur compounds, in particular THT, from fuel gas streams. The method comprises bringing the gas stream into contact with an adsorbent, with a clay mineral from the ho...
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WO/2003/091363A1 |
The present invention provides a process for reducing the sulphur content of a liquid hydrocarbon feed comprising organic sulphur species wherein said process comprises a) contacting the liquid hydrocarbon feed comprising organic sulphur...
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WO/2003/084632A1 |
First (210) and second (240) feedstocks are hydrotreated in an integrated hydrogenation plant (200) using a hot separator (230) that provides a vapor stream containing at least some of the hydrotreated first feedstock (210), wherein the ...
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WO/2003/080769A1 |
This invention is directed to processes for the conversion of material (1) boiling in the Vacuum Gas Oil boiling to high quality middle distillates and/or naphtha and lighter products, and more particularly to a multiple stage process us...
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WO/2003/078545A2 |
The invention relates to a method for the denitrization of hydrocarbon compounds consisting of basic and/or neutral nitrogenous hydrocarbon compounds, characterized in that the hydrocarbon compounds are brought into contact with a polyme...
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WO/2003/066777A1 |
A process for increasing the yield of C10 plus hydrocarbon products from a Fischer-Tropsch plant which comprises the steps of (a) separating a Fischer- Tropsch product into a wax fraction (12) and a condensate fraction (20); (b) dewaxi...
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WO/2003/062352A2 |
Method for the preparation of lower olefines by steam cracking, wherein the feed comprises heavy hydrocarbons obtained by Fischer-Tropsch synthesis are subjected to steam cracking in a naphtha designed steam cracking furnace for steam cr...
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WO/2003/060040A2 |
Methods for producing a substantially paraffinic Fischer-Tropsch product or a blended Fischer Tropsch product comprising a selected oxygenate concentration, and if required, a selected oxygenate concentration of specific individual oxyge...
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WO/2003/050207A1 |
A process for fractionating and treating of a full range naphtha stream. The full boiling range naphtha stream is first split into a light boiling range naphta, an intermediate boiling range naphtha and a heavy boiling range naphtha. The...
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WO/2003/044132A1 |
The invention concerns a method for hydrotreating of a hydrocarbon feedstock, comprising at least two steps with intermediate stripping of the effluent of the first step with pressurized hydrogen substantially free of unwanted impurities...
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WO/2003/033622A1 |
The present invention discloses a process for producing a low haze heavy base oil including the steps of: (a) providing a heavy waxy feed stream having an initial boiling point greater than 900 °F. and having a paraffin content of at le...
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