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Matches 51 - 100 out of 528

Document Document Title
WO/2014/077872A1
Corrosion of ferrous material such as steel or stainless steel is a problem in oil pipelines, oil storage tanks, and the piping and process equipment at oil refineries, and this corrosion may be reduced by reducing the TAN value of the o...  
WO/2014/062367A2
A system and methods for increasing a combustibility of a low BTU natural gas are provided herein. The method includes increasing the adiabatic flame temperature of the low BTU natural gas using heavy hydrocarbons, wherein the heavy hydr...  
WO/2014/051944A1
One exemplary embodiment can be a process for removing hydrogen sulfide from a fractionated hydroprocessed effluent. The process can include stripping a hydroprocessed effluent from a hydroprocessing zone, fractionating the stripped hydr...  
WO/2014/039350A1
One exemplary embodiment can be a process for extracting sulfur compounds in a hydrocarbon stream. The process can include feeding a hydrocarbon stream containing sulfur compounds to a prewash zone containing an alkali, withdrawing a pre...  
WO/2014/028202A1
One exemplary embodiment can be a process for purifying a disulfide oil. The process can include obtaining at least a portion of a disulfide oil coalesced from an alkaline stream, and passing the at least a portion of the disulfide oil t...  
WO/2014/018082A1
A method of upgrading a heteroatom-containing hydrocarbon feed by removing heteroatom contaminants is disclosed. The method includes contacting the heteroatom-containing hydrocarbon feed with an oxidant to oxidize the heteroatoms, contac...  
WO/2014/011953A1
A method that combines the oil retorting process (or other process needed to obtain/extract heavy oil or bitumen) with the process for upgrading these materials using sodium or other alkali metals. Specifically, the shale gas or other ga...  
WO/2013/076383A1
The invention relates to a method for extracting sulphur compounds from an LPG- or petrol-type hydrocarbon fraction, by means of liquid-liquid extraction with a soda solution, using a pre-treatment unit (2) for pre-treating the feedstock...  
WO/2013/076385A1
Process for extracting sulphur-containing compounds from a hydrocarbon cut (petrol, LPG, etc.) by liquid-liquid extraction with a solution of sodium hydroxide requiring a unit for the pretreatment of the feedstock to be treated consistin...  
WO/2013/076384A1
The invention relates to a method for extracting sulphur compounds from an LPG- or petrol-type hydrocarbon fraction, by means of liquid-liquid extraction with a soda solution, using a pre-treatment unit (2) for pre-treating the feedstock...  
WO/2013/019631A3
A process is described for reducing the total acid number of a refinery feedstock. In one embodiment, refinery feedstock containing naphthenic acids is contacted with an effective amount of solid catalyst in the presence of an aqueous ca...  
WO/2013/019631A2
A process is described for reducing the total acid number of a refinery feedstock. In one embodiment, refinery feedstock containing naphthenic acids is contacted with an effective amount of solid catalyst in the presence of an aqueous ca...  
WO/2012/106290A3
In a catalytic treatment process, mercaptans in sour hydrocarbon are oxidized to disulfide oils using an aqueous treatment solution containing a chelated polyvalent metal catalyst, alkali metal hydroxide, and the alkali metal salt of at ...  
WO/2012/127504A3
A process for desulphurization of petroleum oil, comprising the step of diluting the feed oil with a suitable organic solvent prior to the desulphurization reaction, is disclosed. The organic solvent is selected from alkanes, alkenes, cy...  
WO/2011/138305A3
The present invention is a method of reducing the formation of fouling deposits occurring in a caustic scrubber used to remove acid gases comprising : a) providing a caustic scrubber fed with an alkaline aqueous solution comprising essen...  
WO/2012/127504A2
A process for desulphurization of petroleum oil, comprising the step of diluting the feed oil with a suitable organic solvent prior to the desulphurization reaction, is disclosed. The organic solvent is selected from alkanes, alkenes, cy...  
WO/2012/058228A3
A method for reducing mercaptan concentration in a crude oil is disclosed. The method comprises contacting the crude with a treating solution comprising a hypochlorite solution, whereby the mercaptan sulfur is oxidized and converted to a...  
WO/2012/106290A2
In a catalytic treatment process, mercaptans in sour hydrocarbon are oxidized to disulfide oils using an aqueous treatment solution containing a chelated polyvalent metal catalyst, alkali metal hydroxide, and the alkali metal salt of at ...  
WO/2012/069467A1
Process for mineralization of siloxane derivatives from a liquid organic phase by addition of a base in the form of an alkali metal hydroxide.  
WO/2012/015635A3
Methods for producing phase stable, reduced acid biomass-derived pyrolysis oils are provided. Biomass-derived pyrolysis oil having a determined water content no greater than 30% by weight is provided. A base is mixed with the biomass-der...  
WO/2012/013581A3
The object of the invention is a process and agents to remove metal contaminants from hydrocarbon fractions like those obtained as a product from the Fischer-Tropsch synthesis involving the use of suspended catalyst. As per the present i...  
WO/2012/066566A1
There is provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate at low pH as well as at high pH. Particularly, there is also provided an additive and method for removal of calci...  
WO/2012/005948A3
A process for upgrading an oil stream by mixing the oil stream with a water stream and subjecting it to conditions that are at or above the supercritical temperature and pressure of water. The process further includes cooling and a subse...  
WO/2012/058228A2
A method for reducing mercaptan concentration in a crude oil is disclosed. The method comprises contacting the crude with a treating solution comprising a hypochlorite solution, whereby the mercaptan sulfur is oxidized and converted to a...  
WO/2012/038499A1
The present invention provides a process for reducing the halogen content of a hydrocarbon product stream which is obtained by a hydrocarbon conversion process in which use is made of a halogen-containing acidic ionic liquid catalyst, wh...  
WO/2012/038413A1
The present invention provides a process for reducing the halogen content of a hydrocarbon product stream which is obtained by a hydrocarbon conversion process in which use is made is made of a halogen- containing acidic ionic liquid cat...  
WO/2012/030880A1
A one-step process for desulfurizing an oxidized sulfone-containing fuel stream, such as a diesel stream, is disclosed where mass transfer and conversion of sulfone occurs simultaneously such that the sulfur atom in sulfone molecule is r...  
WO/2012/013581A2
The object of the invention is a process and agents to remove metal contaminants from hydrocarbon fractions like those obtained as a product from the Fischer-Tropsch synthesis involving the use of suspended catalyst. As per the present i...  
WO/2012/015635A2
Methods for producing phase stable, reduced acid biomass-derived pyrolysis oils are provided. Biomass-derived pyrolysis oil having a determined water content no greater than 30% by weight is provided. A base is mixed with the biomass-der...  
WO/2011/138305A2
The present invention is a method of reducing the formation of fouling deposits occurring in a caustic scrubber used to remove acid gases comprising : a) providing a caustic scrubber fed with an alkaline aqueous solution comprising essen...  
WO/2011/066523A3
In a catalytic treatment process, mercaptans in sour hydrocarbon are oxidized to disulfide oils using an aqueous treatment solution containing a chelated polyvalent metal catalyst, alkali metal hydroxide, and the alkali metal salt of at ...  
WO/2011/039649A3
The present invention relates to a process for reducing sulfur content in petroleum fuel, such as diesel fuel, and raising the Cetane Number to a value above 50.  
WO/2011/075526A1
Self-compatible heavy oil streams are produced from converted and/or desulfurized fractions. In a preferred embodiment, an incompatibility stream is added to the converted and/or desulfurized stream to reduce the solubility number of the...  
WO/2011/075495A1
Hydrocarbon feedstreams are desulfurized using an alkali metal reagent, optionally in the presence of hydrogen. Improved control over reaction conditions can be achieved in part by controlling the particle size of the alkali metal salt a...  
WO/2011/075554A1
After desulfurizing a hydrocarbon feedstream using an alkali metal reagent, the hydrocarbon feedstream can include particles of spent alkali metal salts. The spent alkali metal salts can be separated from the hydrocarbon feedstream and r...  
WO/2011/074623A1
Disclosed is a method for producing recovered oil with waste oil or recovered heavy oil as a raw material. Also disclosed is a method for producing recovered oil, which includes a step for distilling waste oil or recovered heavy oil unde...  
WO/2011/066523A2
In a catalytic treatment process, mercaptans in sour hydrocarbon are oxidized to disulfide oils using an aqueous treatment solution containing a chelated polyvalent metal catalyst, alkali metal hydroxide, and the alkali metal salt of at ...  
WO/2010/117512A3
A method for inhibiting the formation of fouling materials including contacting hydrocarbon media containing carbonyl compounds with hydroxylamine and naphthalene sulfonate while treating the hydrocarbon media with a basic wash.  
WO/2011/022832A1
The invention provides for processing an acidic hydrocarbon feed comprising a hydrocarbon material and an acidic constituent soluble in the feed. Contacting the feed under a first condition with an active agent having an initial solubili...  
WO/2010/136738A3
The invention relates to a method for reducing the naphthenic acidity of a petroleum feedstock having a neutralization index of 0.5 to 10 mg of KOH/g and a water content lower than 0.2 wt %, wherein said method comprises contacting the p...  
WO/2010/136738A2
The invention relates to a method for reducing the naphthenic acidity of a petroleum feedstock having a neutralization index of 0.5 to 10 mg of KOH/g and a water content lower than 0.2 wt %, wherein said method comprises contacting the p...  
WO/2010/080119A1
The present invention relates to a process for desulfurizing heavy oil feedstreams with alkali metal compounds and improving the compatibility of the stream components in either the feed stream, an intermediate product stream, and/or the...  
WO/2010/067198A1
The present invention relates to a method for treating caustic effluent with a high concentration of hazardous and toxic compounds, such as aromatic substances originating from sour hydrocarbon sweetening processes and waste sodas origin...  
WO/2010/063786A1
Process for reducing the concentration of water-soluble carboxylic acids in a hydrocarbonaceous mixture which process comprises (i) taking a sample from the hydrocarbonaceous mixture and extracting the water-soluble carboxylic acids from...  
WO/2010/039273A1
The present invention is a process for desulfurizing hydrocarbon feedstreams with alkali metal compounds and regenerating the alkali metal compounds via the use of a transition metal oxide. The present invention employs the use of a tran...  
WO/2010/039272A1
The present invention is a process for desulfurizing hydrocarbon feedstreams with alkali metal compounds and regenerating the alkali metal compounds via the use of a copper sulfide reagent. The present invention employs the use of a copp...  
WO/2010/039270A1
The present invention is a process for desulfurizing hydrocarbon feedstreams with alkali metal compounds and regenerating the alkali metal compounds via the use of a copper metal reagent. The present invention employs the use of a copper...  
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/2009/063230A3
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/2009/155337A3
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...  

Matches 51 - 100 out of 528