Patents for C10G 53 - Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes (1,942)
03/2005
03/01/2005US6860999 Contacting hydrocarbon containing mercaptan in absence of oxygen with composition containing water, dissolved alkali metal hydroxide, cobalt phthalocyanine sulfonate, and dissolved alkylphenylates, separating upgraded hydrocarbon
02/2005
02/24/2005US20050040078 Multistep process comprising a catalytic hydrodesulfurization zone of a pressurized and heated ebullated or fluidized bed to form hydrogen sulfide; oxidation in an aqueous oxidizing solution to form sulfur-oxidated compounds which are then selectively adsorbed to obtain a sulfur-free hydrocarbon oil
02/23/2005CN1583972A Method for decreasing sulfur content of hydrocarbon
02/23/2005CN1583971A Fractionating method for separating liquid hydrocarbon mixture
02/09/2005EP1504076A1 Improved residuum conversion process
02/09/2005EP1503974A1 Method of desulphurising a mixture of hydrocarbons
01/2005
01/19/2005EP1335962A4 Oxidative desulfurization of fossil fuels with ultrasound
01/19/2005CN1185327C Method for reprocessing waste oils, base oils obtained according to said method and use thereof
01/13/2005WO2005003066A2 Distillation of a fischer-tropsch derived hydrocarbon stream
01/12/2005EP1495092A2 Purification process
01/12/2005EP1315785A4 Process for removing low amounts of organic sulfur from hydrocarbon fuels
01/12/2005CN1564858A Process oil and process for producing the same
01/12/2005CN1184286C Decreasing bi-reactive contaminants in aromatic streams
01/06/2005US20050004412 Distillation of a Fischer-Tropsch derived hydrocarbon stream
01/05/2005EP1492858A2 Improvements in oil desalting by forming unstable water-in-oil emulsions
12/2004
12/30/2004US20040262199 Feeding at least the fraction of the gaseous raw product or the condensate of the gaseous raw product to a distillation column at a feed tray; withdrawing a liquid stream; separating the liquid stream into an aqueous phase and a non-acid chemicals-rich phase; returning the aqueous phase
12/22/2004CN1556845A Process for the desulfurization of FCC naphtha
12/15/2004CN1554730A Catalytic oxidizing method for deeply removing suifide in petrol
12/07/2004US6827845 Selective oxidation of a petroleum distillate by reacting a peroxy compound, hydrocarbon compounds, organosulfur and/or organonitrogen compounds in absence of catalytic active metals and/or active metal-containing compounds
12/01/2004EP1346009B1 Method for desulphurising hydrocarbons containing thiophene derivatives
11/2004
11/24/2004EP1478716A1 Removal of sulfur-containing compounds from liquid hydrocarbon streams
11/24/2004EP1051457A4 Decreasing bi-reactive contaminants in aromatic streams
11/24/2004EP1029025B1 Sulfur removal process
11/17/2004EP1021498B1 Aromatics separation process
11/11/2004WO2004096415A1 Process for the separation of olefins from paraffins using membranes
11/11/2004US20040222164 conditioned slurry is blended with a peroxide in aqueous solution, which enters the grains and is decomposed creating bubbles of free oxygen within the grains which disrupt the hydrocarbon envelope; free and bound hydrocarbons are released
10/2004
10/28/2004US20040215045 feed stream containing olefins and praffins is humidified, demisted, treated to remove sulfur compounds and passed to a cell having a chitosan membrane containing chelated silver or cuprous compounds and these metal compounds are capable of forming complex with olefin
10/28/2004US20040211706 contacting a naphtha feed stream with a membrane having sufficient flux and selectivity to separate a sulfur deficient retentate fraction from a sulfur enriched permeate fraction, preferably under pervaporation conditions; provides high quality products without a substantial loss of olefin yield
10/28/2004US20040211705 preferentially reduces the sulfur content of a hydrocarbon containing naphtha feed while substantially maintaining the content of olefins presence in the feed; offers greater selectivity, easily scaled operations, and greater adaptability to changes in process streams and simple control schemes
10/19/2004CA2202525C Process for isolating mesophase pitch
10/13/2004CN1170792C Method for separating C5-C8 materials or intermediate materials
10/12/2004US6802960 Two stage extraction oil treatment process
10/12/2004US6802959 Separation of olefinic hydrocarbons from sulfur-containing hydrocarbons by use of a solvent
10/07/2004WO2004085576A1 Method for purifying a liquid medium.
10/07/2004US20040195179 Measuring crude oil weight fraction eluted by methylene chloride-methanol cosolvent after adsorption of sample on silica gel column and sequential elution with n-hexane then toluene to determine water solubility level; pretreating high solubility oil prior to dewatering and desalting
10/06/2004EP1464692A1 Method for forming unstable water-in-oil emulsions and improving of oil desalting through the same method
10/06/2004CN1534082A Preparation method of super low sulfur diesel oil
10/06/2004CN1169918C Process for removing conjugated diene
09/2004
09/30/2004WO2004083346A1 Organosulfur oxidation process
09/30/2004CA2513862A1 Organosulfur oxidation process
09/29/2004EP1462504A1 Method of oxidising sulphur compounds present in gasoline, kerosene and diesel fractions
09/23/2004WO2003087263A8 Improvements in oil desalting by forming unstable water-in-oil emulsions
09/23/2004US20040182750 Contacting a petroleum feed with a polar organic solvent containing antisolvent, contacting with solvent; distilling the bottom stream , washing the top stream with water followed by fractionating , washing raffinate phase to obtain raffinate hydrocarbons
09/16/2004US20040178122 extracting organonitrogen impurities from the fuel stream prior to oxidation, then contacted with an organic hydroperoxide in the presence of a titanium-containing silicon oxide catalyst to convert a substantial portion of the organosulfur impurities to sulfones
09/02/2004US20040168955 Co-extraction of a hydrocarbon material and extract obtained by solvent extraction of a second hydrotreated material
09/01/2004EP1451270A1 Process for separating normal paraffins from hydrocarbons and applications for the separated hydrocarbons
08/2004
08/28/2004CA2457742A1 Co-extraction of hydrocarbon material and extract obtained by solvent extraction of a second hydrotreated material
08/24/2004US6781023 Decreasing Br-reactive contaminants in aromatic streams
08/19/2004US20040158968 Truck bed toolbox lid method of manufacture
08/18/2004EP1352041A4 Dimerizing olefins to make lube base stocks
08/18/2004EP1165724B1 Oil treatment process
08/11/2004CN1519297A Adsorbent for desulfurizing fuel oil and preparation method
07/2004
07/22/2004WO2004061054A1 Preparation of components for refinery blending of transportation fuels
07/21/2004EP1438374A2 Components for blending of transportation fuels
07/15/2004WO2004058920A1 Process for extraction of aromatics from petroleum streams
07/14/2004CN1513049A Membrane separation for sulfur reduction
07/08/2004US20040129646 conditioned slurry is blended with a peroxide in aqueous solution, which enters the grains and is decomposed creating bubbles of free oxygen within the grains which disrupt the hydrocarbon envelope; free and bound hydrocarbons are released
07/07/2004EP1434832A1 Process for the desulfurization of fcc naphtha
07/01/2004US20040126296 Protection of fischer-tropsch catalysts from traces of sulfur
06/2004
06/30/2004EP1433833A1 Process oil and process for producing the same
06/29/2004US6755974 Multiphase process for extracting mercaptans from cracked naphtha using alkali metal alkylphenylate, alkali metal hydroxide, water, and sulfonated cobalt phthalocyanine
06/24/2004WO2004053026A1 Process for the upgrading of raw hydrocarbon streams
06/24/2004US20040118750 Preparation of components for refinery blending of transportation fuels
06/10/2004US20040108252 Oxidation using peroxy solution using iron oxide catalyst
06/09/2004CN1502595A Aromatics separation process and method of retrofitting existing equipment for same
06/03/2004US20040104144 Oxidation of halogen-free petroleum feedstock in presence of heterogeneous catalyst; mixture is separated to recover organic liquid of low density and portions of catalyst metal, water of reaction and acidic co-products
06/02/2004CN1152118C Process for improving heavy crude oil production
05/2004
05/19/2004EP1419218A1 Continuous naphtha treatment method
05/19/2004EP1419217A1 Liquid hydrocarbon treatment method
05/13/2004WO2004039922A1 Method and apparatus for cleaning fluids
05/13/2004US20040091753 Process and apparatus for removing sulfur compounds from hydrocarbon streams
04/2004
04/28/2004EP1412460A1 Naphtha desulfurization method
04/28/2004EP1412455A1 Continuous liquid hydrocarbon treatment method
04/28/2004CN1147371C Method for removing hydrocarbon pollutant from soil
04/21/2004EP1409611A1 Composition and control method for treating hydrocarbon
04/08/2004WO2004016715A3 Method and device for purifying a petroleum fraction
03/2004
03/30/2004US6712954 Method for reprocessing waste oils, base oils obtained according to said method and use thereof
03/04/2004US20040044263 Separation of oxygenates from a hydrocarbon stream
03/03/2004CN1140614C Method and device for purifying contaminated liquids
02/2004
02/26/2004WO2004016715A2 Method and device for purifying a petroleum fraction
02/26/2004WO2002018518A8 Process for removing low amounts of organic sulfur from hydrocarbon fuels
02/25/2004EP1390441A2 Process for the catalytic oxidation of sulfur, nitrogen and unsaturated compounds from hydrocarbon streams
02/11/2004EP1141181B1 Method for reprocessing waste oils
01/2004
01/27/2004US6682711 Protection of Fischer-Tropsch catalysts from traces of sulfur
01/22/2004WO2004007644A1 Method of regenerating used oils by means of extraction with solvents
01/22/2004WO2003035808A3 Components for blending of transportation fuels
01/15/2004WO2004005435A1 Improved hydrocarbon desulfurization with pre-oxidation of organosulfur compounds
01/15/2004US20040007502 Comprises cyclic low-temperature adsorption of oxidized sulfur compounds with activated carbon followed by regeneration of activated carbon with solvent
01/15/2004US20040007501 Such as 4,6-dimethyldibenzothiophene which is oxidized into corresponding sulfone/sulfoxide
01/15/2004US20040007499 For petroleum oils; eliminating extraction solvent, then flashing, vaporizing, separating light fractions in presence of reducing agent, and distilling vacuum gas-oils
01/14/2004CN1468292A Separation of oxygenates from a hydrocarbon stream
01/08/2004WO2003089543A3 Purification process
01/08/2004WO2003087263A3 Improvements in oil desalting by forming unstable water-in-oil emulsions
01/06/2004US6673230 Blending liquid for diesel fuels by treating a petroleum feedstock with an oxidizer and heterogeneous catalyst to form a mixture comprising hydrocarbons, hydrocarbon oxygenates, water and acids; neutralizing; desulfurizing; denitrification
01/02/2004EP1373439A2 Membrane separation for sulfur reduction
01/02/2004EP1373436A2 Process for oxygenation of components for refinery blending of transportation fuels
12/2003
12/04/2003US20030221992 Residuum conversion process
12/03/2003EP1365851A1 Process and apparatus for removing sulfur compounds from hydrocarbon streams
12/02/2003US6656364 Method for purifying contaminated liquids
11/2003
11/20/2003WO2002070109A8 Process and apparatus for removing sulfur compounds from hydrocarbon streams
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