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WO/2013/019631 |
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...
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WO/2013/019631 |
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...
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WO/2012/127504 |
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...
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WO/2012/127504 |
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...
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WO/2012/106290 |
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 ...
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WO/2012/106290 |
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 ...
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WO/2012/069467 |
Process for mineralization of siloxane derivatives from a liquid organic phase by addition of a base in the form of an alkali metal hydroxide.
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WO/2012/066566 |
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...
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WO/2012/058228 |
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...
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WO/2012/058228 |
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...
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WO/2012/038413 |
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...
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WO/2012/038499 |
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...
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WO/2012/030880 |
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...
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WO/2012/015635 |
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...
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WO/2012/013581 |
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...
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WO/2012/013581 |
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...
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WO/2012/015635 |
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...
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WO/2012/005948 |
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...
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WO/2011/138305 |
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...
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WO/2011/138305 |
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...
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WO/2011/074623 |
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...
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WO/2011/075554 |
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...
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WO/2011/075526 |
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...
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WO/2011/075495 |
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...
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WO/2011/066523 |
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 ...
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WO/2011/066523 |
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 ...
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WO/2011/039649 |
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.
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WO/2011/022832 |
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...
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WO/2010/136738 |
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...
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WO/2010/136738 |
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...
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WO/2010/117512 |
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.
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WO/2010/080119 |
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...
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WO/2010/067198 |
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...
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WO/2010/063786 |
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...
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WO/2010/039272 |
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...
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WO/2010/039270 |
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...
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WO/2010/039273 |
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...
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WO/2010/032748 |
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...
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WO/2009/155337 |
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...
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WO/2009/155337 |
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...
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WO/2009/082425 |
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 ...
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WO/2009/063230 |
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...
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WO/2009/063230 |
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...
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WO/2009/035480 |
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...
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WO/2008/156537 |
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...
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WO/2008/137253 |
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...
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WO/2008/115704 |
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...
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WO/2008/108056 |
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...
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WO/2008/079356 |
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...
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WO/2008/079356 |
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...
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