Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 51 - 100 out of 225

Document Document Title
WO/2010/032748A1
A process for hydrocarbon oil production which comprises: a first step in which a raw oil comprising oxygenic organic compounds and water-insoluble chlorine compounds is brought into contact with a hydrogenation catalyst constituted of a...  
WO/2009/155337A3
Materials such as biomass (e.g., plant biomass, animal biomass, and municipal waste biomass) and hydrocarbon-containing materials are processed to produce useful products, such as fuels. For example, systems are described that can use fe...  
WO/2009/155337A2
Materials such as biomass (e.g., plant biomass, animal biomass, and municipal waste biomass) and hydrocarbon-containing materials are processed to produce useful products, such as fuels. For example, systems are described that can use fe...  
WO/2009/082425A1
This invention relates to the electrochemical conversion of dibenzothiophene type molecules of petroleum feedstreams to mercaptans that can then be removed, in one embodiment, by caustic extraction. In another embodiment, the mercaptans ...  
WO/2009/063230A3
A process for the preparation of at least one ARN acid or salt thereof comprising: (I) allowing at least one ARN acid salt to form during the production of crude oil in the presence of water; (II) removing at least 5 wt% of the formed at...  
WO/2009/063230A2
A process for the preparation of at least one ARN acid or salt thereof comprising: (I) allowing at least one ARN acid salt to form during the production of crude oil in the presence of water; (II) removing at least 5 wt% of the formed at...  
WO/2009/035480A1
A process for the removal of residual sulfur compounds from a liquid caustic stream is disclosed. One embodiment of my invention adsorbs disulfides from a caustic stream using an activated carbon adsorbent while another combines both oxi...  
WO/2008/156537A1
A separation process for separating two or more immiscible liquids using fiber-film technology (fiber-film coalescer) is disclosed. This separation process is especially useful in the separation of disulfide oil formed during the oxidati...  
WO/2008/137253A1
Certain metal and metal-like hydroxides may be added to hydrocarbons with an immiscible and/or more volatile non-hydrocarbon phase to reduce the acidic potential of hydrocarbons with respect to downstream storage, transport, and processa...  
WO/2008/115704A1
Hydrogen sulfide and mercaptans in hydrocarbons, gas mixtures of hydrocarbons and the like may be scavenged therefrom by being brought into intimate contact with a mercaptan scavenger formulation of quaternary ammonium alkoxide or hydrox...  
WO/2008/108056A1
A process for producing a modified carbon-source oil at a low treatment cost; and a process for producing a carbon material. A hundred parts by mass of a carbon-source oil comprising either or both of a coal-derived heavy oil and a petro...  
WO/2008/079356A3
The present invention relates to making tetra-sulfo iron-phthalocyanine by reacting sulfonated reactant(s) in the presence a boron-containing promoter. The present invention also relates to making tetra-sulfo iron-phthalocyanine more tol...  
WO/2008/079356A2
The present invention relates to making tetra-sulfo iron-phthalocyanine by reacting sulfonated reactant(s) in the presence a boron-containing promoter. The present invention also relates to making tetra-sulfo iron-phthalocyanine more tol...  
WO/2008/040100A2
The present invention refers to a pre-treatment process for hydrocarbon-based liquid fuels, as well as to the fuels obtained by said process.  
WO/2007/078416A2
A process for production of sweet heavy crude oil is disclosed. The process comprises the steps of: removing contaminants from heavy oil, bitumen or bitumen froth to form a substantially dewatered deasphalted oil; and subsequent desulfur...  
WO/2007/057165A3
Odours can be removed from hydrocarbons by bringing them into contact with aqueous alkali lye. According to the invention, the hydrocarbons are mixed with the aqueous lye in such a manner that the specific power input into the system fro...  
WO/2007/057165A2
Odours can be removed from hydrocarbons by bringing them into contact with aqueous alkali lye. According to the invention, the hydrocarbons are mixed with the aqueous lye in such a manner that the specific power input into the system fro...  
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 ...  
WO/2006/096396A3
A method for recovering base oil from waste lubricating oil by separating base oil range constituents from a waste lubricating oil mixture, thereafter separating higher quality base oil constituents and lower quality base oil constituent...  
WO/2006/092092A1
The invention discloses a treatment method for atomizing and air-drying spent caustic solution and residue from oil refinery, which relates to a method of treating spent caustic residue from oil refinery using renewable natural energy. O...  
WO/2006/071135A1
The invention relates to a method for the preparation of the polyolefinic bases of synthetic oils by the cationic oligomerization of olefinic feedstock and can be used in the petrochemical industry. A new method for the preparation of th...  
WO/2006/071506A1
The use of one or more alkali metals, preferably sodium, to remove sulfur from hydrocarbon streams containing up to 100 wppm sulfur. The hydrocarbon stream is introduced into a reactor where it is contacted with one or more alkali metals...  
WO/2006/039125A1
Refractory or hard sulfur found in a hydrocarbon stream containing refractory sulfur heterocycle compounds, particularly those exhibiting steric hindrance, is removed from the stream by contacting it with a sodium reagent comprising a so...  
WO/2006/031432A2
This invention is a method for reducing the total acid number of organic acid containing petroleum oil comprising forming a water-in-oil emulsion comprising an aqueous Group IIA metal hydroxide solution or slurry in a hydrocarbon oil, sa...  
WO/2006/019525A1
A method for reducing the level of elemental sulfur from sulfur-containing hydrocarbon streams as well as reducing the level of total sulfur in such streams. Preferred hydrocarbon streams include fuel streams such as naphtha and distilla...  
WO/2006/014486A1
Described herein are compositions and methods for using metal oxides to upgrade oil. Metal oxides may be used as catalysts to reduce the TAN of the oil by converting carboxylic acids such as naphthenic acids into non-corrosive products. ...  
WO/2006/007034A1
This invention relates to the hydroprocessing of naphtha with removal of mercaptan from product. Naphtha feedstock is hydrotreated and hydrocracked. Sulfur-containing contaminants, notably C5+ recombinant mercaptans, are then selectively...  
WO/2005/121279A1
Disclosed is an apparatus and process for extracting sulfur compounds from a hydrocarbon stream. A prewash section for converting hydrogen sulfide to a sulfide salt by reaction with an alkali such as caustic communicates with an extracto...  
WO/2005/113707A1
A method for upgrading the viscoelastic properties of a heavy oil by altering its elastic modulus. An effective amount of one or more elastic modulus lowering agents are used, wherein preferred elastic modulus lowering agents include min...  
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...  
WO/2004/024850A1
The present invention provides a process for the production of a fuel composition having a NACE corrosion rating of between 0% and 25%, comprising the steps of: (i) contacting a fuel with a corrosion inhibitor of formula (I) to provide a...  
WO/2004/007644A1
The invention relates to a method of regenerating used oils of petroleum origin by means of extraction with aliphatic solvents. The inventive method is characterised in that, once the solvent has been eliminated from the extract, it comp...  
WO/2004/003110A1
A method for inhibiting and dissolving polymeric deposits on the internal surfaces of a caustic wash unit system in a hydrocarbon cracking process wherein said deposits result from polymerization of at least one component contained withi...  
WO/2003/093399A1
A method of reducing hydrolysis in a hydrocarbon stream comprising adding to a hydrocarbon stream containing a chloride compound which undergoes hydrolysis at elevated temperatures in the presence of water to form hydrochloric acid, an e...  
WO/2003/093397A1
A method for inhibiting and dissolving the deposits formed on caustic or alkaline scrubbers used in scrubbing acidic gases such as carbon dioxide, hydrogen sulfide, which are formed during the pyrolytic cracking of naphtha, ethane, and p...  
WO/2003/072224A1
A caustic recovery system comprising an oxygen source adapted to provide a gas stream comprising at least 30% oxygen. A method of regenerating caustic comprising intermingling spent caustic with a gas stream comprising at least 30% oxygen.  
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...  
WO/2003/035807A1
A stable distillate fuel blend useful as a fuel or as a blending component of a fuel that is suitable for use in turbine engine, said fuel blend prepared from at least one highly paraffinic distillate fuel component having low to moderat...  
WO/2002/102936A1
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment co...  
WO/2002/102940A1
The invention relates to a method for desulfurizing naphtha boiling-range hydrocarbons such as cracked naphtha. More particularly, the invention relates to hydrotreating the naphtha under selective hydrotreating conditions, and then remo...  
WO/2002/102935A1
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment co...  
WO/2002/102934A1
The invention relates to a composition and method for treating liquid hydrocarbons in order to remove acidic impurities, such as mercaptans, particularly mercaptans having a molecular weight of about C¿4? (C¿4?H¿10?S=90 g/mole) and hi...  
WO/2002/102933A1
The invention relates to a method for treating naphtha, such as catalytically cracked naphtha, in order to remove acidic impurities, such a mercaptans. In particular, the invention relates to a method for mercaptans having a molecular we...  
WO/2002/062925A2
Economical processes are disclosed for production of components for refinery blending of transportation fuels which are liquid at ambient conditions by selective oxygenation of refinery feedstocks comprising a mixture of organic compound...  
WO/2002/036715A1
This invention is a method to inhibit the polymerization of carbonyl compounds in a basic wash unit operation in a hydrocarbon cracking process, wherein a compound selected from the group consisting of alpha-amino acids and esters thereo...  
WO/2002/034863A1
Methods for removing mercaptans from hydrocarbons streams, for example crude oil and natural gas, are provided. The methods use basic metal salts which react with mercaptans to form mercaptides. The metal salts are dissolved or suspended...  
WO/2002/018518A1
A process for desulfurizing fuels such as diesel oil and similar petroleum products to reduce the sulfur content to a range of from about 2 to 15 ppm sulfur is described. The sulfur containing fuel is contacted at slightly elevated tempe...  
WO/2002/018519A1
A process for deacidifying a crude oil and/or crude oil distallate containing organic acids, said process comprising: (a) contacting the crude oil and/or crude oil distillate with (i) a Group IA metal salt selected from the group contain...  
WO/2001/081501A2
The invention relates to methods for a demercaptanisation of dry and liquefied hydrocarbon gases, gasoline fractions, light oils and gas condensates and can be used for the gas, petroleum-refining, petroleum production and petrochemical ...  
WO/2001/079386A2
The present invention relates to a process for reducing naphthenic acid content of crude oils and its fractions in the presence of an aqueous base selected from Group IA and IIA hydroxides and ammonium hydroxide and mixtures thereof, a p...  

Matches 51 - 100 out of 225