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7615196 |
Systems for producing a crude product
System for producing a crude product, comprising: an upstream contacting zone; one or more catalysts in the upstream contacting zone, the one or more catalysts comprising a first catalyst, the...
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7569741 |
Petrochemical feedstock purification
Methods and systems for petrochemical feedstream purification are described herein. The methods generally include providing a petrochemical feedstock, wherein the petrochemical feedstock includes a...
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7534342 |
Systems, methods, and catalysts for producing a crude product
Contact of a crude feed with one or more catalysts produces a total product that includes a crude product. The crude product is a liquid mixture at 25° C. and 0.101 MPa. The one or more catalysts...
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7514657 |
Process for reducing the acidity of hydrocarbon mixtures
A process to reduce acidity of hydrocarbon mixtures ( 1 ) is described, that includes sending a hydrocarbon stream to a Microwave Treatment Unit (MTU), with a fixed stream or mud bed of microwave...
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7507329 |
Process for reducing the naphthenic acidity of petroleum oils or their fractions
A process for reducing the naphthenic acidity of petroleum oils or their fractions is described, said process comprising providing a hydrocarbon feed 103/203/303 having between 0.1 and 99 wt % of...
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7504023 |
Process for reducing the naphthenic acidity of petroleum oils
A process for reducing the naphthenic acidity of petroleum oils, or their liquid fractions, is described, the process comprising a thermal treatment of the petroleum oils, or their liquid...
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7419939 |
Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002)
The invention describes a method for decreasing the viscosity of crude oils and residuum utilizing a combination of thermal and acidic treatment. Further, the invention describes a method for...
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7399404 |
Reduction of the content of compounds containing oxygen and/or nitrogen in material flows containing isobutene
A process for reducing the content of oxygen-containing and/or nitrogen-containing compounds in streams having an isobutene content of at least 10% by weight, which comprises passing the stream in...
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7396450 |
Method of reducing amount of peroxides, reducing fuel sediments and enhancing fuel system elastomer durability, fuel stability and fuel color durability
A reduction in the formation and presence of peroxides in low sulfur diesel fuels is obtained through the combination of those fuels with an organic nitrate combustion improver. The reduction in...
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7300568 |
Method of manufacturing oxygenated fuel
Disclosed is a process to improve the cetane number and emissions characteristics of a distillate feedstock by increasing the oxygen content of the feedstock by contacting the feedstock with an...
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7270741 |
Method of purifying a water-rich stream produced during a fischer-tropsch reaction
This invention relates to an improved method of separating non-acid chemicals from a water rich stream produced during a Fischer-Tropsch (FT) reaction.
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7117722 |
Method for determining viscosity of water-in-oil emulsions
Method to determine the viscosity of a water-in-oil emulsion that will be formed by an oil comprising organic acids when mixed with water comprising: determining the value of the expression:
η...
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6902662 |
Method of reducing hydrolysis in hydrocarbon streams
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...
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6887370 |
Separation of oxygenates from a hydrocarbon stream
This invention relates to a method for separating olefins and paraffins from oxygenates in a liquid hydrocarbon stream containing a high proportion of olefins, paraffins and oxygenates (mainly...
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6855248 |
Process for distilling fischer-tropsch derived paraffinic hydrocarbons
A process for distilling paraffinic hydrocarbons comprises feeding a Fischer-Tropsh derived paraffinic hydrocarbon feedstock comprising heavy paraffinic hydrocarbons and, optionally, light and/or...
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6767452 |
Process for treatment of petroleum acids
The invention is a process for decreasing the acidity of an organic acid containing petroleum oil, comprising contacting said petroleum oil containing organic acids with an effective amount of an...
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6716339 |
Hydrotreating process with monolithic catalyst
Liquid hydrocarbons such as gas oil feedstocks are hydrotreated by passing feedstreams comprising a hydrogen-containing gas and the liquid hydrocarbons through a catalyst bed comprising honeycomb...
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6679987 |
Process for decreasing the acid content and corrosivity of crudes
The invention relates to processes for treating acidic crudes or fractions thereof to reduce or eliminate their acidity and corrosivity by addition of suitable amounts of Group IA or Group IIA...
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6673238 |
Acidic petroleum oil treatment
A process for hydrotreating acidic compounds of an acidic petroleum oil is disclosed. The process includes contacting the acidic petroleum oil with a hydrogen donor solvent to thereby produce a...
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6547957 |
Process for upgrading a hydrocarbon oil
A catalyst assisted upgrading process for treating a hydrocarbon oil feed to reduce total acid number (TAN) and increase API gravity is provided herein which employs a hydroprocessing catalyst...
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6531055 |
Method for reducing the naphthenic acid content of crude oil and fractions
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...
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6483003 |
Removal of impurities from a hydrocarbon component or fraction
A process for removing impurities from a hydrocarbon component or fraction comprises mixing, in a liquid-liquid extraction step, an impurity-containing liquid hydrocarbon component or fraction, as...
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6476284 |
Method of dehalogenating hydrocarbon containing carbon-carbon double bond
An efficient dehalogenation can be carried out by a method which comprises treating an organic compound containing a compound of halogen, such as fluorine or chlorine, as an impurity and having...
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6464859 |
Process for deacidifying a crude oil system
This invention relates to a process for deacidifying a crude oil system, said process comprising the steps of: a) contacting the crude oil system with a polar solvent, such that at least part of...
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6454936 |
Removal of acids from oils
The instant invention is directed to a process for decreasing the amount of acids contained in oils by forming a water-in-oil emulsion and utilizing solids.
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6329561 |
Impurities removal
The method of producing high purity isooctane useful as a gasoline blending component from diisobutylene or isooctane contaminated with minor amounts of oxygenated impurities which comprises...
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6258258 |
Process for treatment of petroleum acids with ammonia
The present invention is a process for decreasing the acidity of a starting acidic crude oil by contacting an acidic crude with an effective excess of ammonia dissolved in said crude to form an...
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6251305 |
Esterification of acidic crudes
The present invention relates to a process for reducing the acidity of a petroleum oil containing organic acids comprising treating said petroleum oil containing organic acids with an effective...
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6190541 |
Process for treatment of petroleum acids (LAW824)
The invention is a process for decreasing the acidity of an organic acid containing petroleum oil, comprising contacting said petroleum oil containing organic acids with an effective amount of an...
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6156190 |
Conversion process of hydrocarbon oils
A conversion process of hydrocarbon oils comprises at least a hydrodemercaptanization process, wherein said hydrodemercaptanization process comprises contacting a feedstock with a hydrofining...
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6111162 |
Process for removing oxygenated contaminants from hydrocarbon streams
Process for selectively removing oxygenated contaminants from streams prevalently containing hydrocarbons with from 3 to 8 carbon atoms characterized in that it comprises an adsorption step wherein...
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6096196 |
Removal of naphthenic acids in crude oils and distillates
The instant invention is directed a process for extracting organic acids from a starting crude oil comprising the steps of: (a) treating the starting crude oil containing naphthenic acids with an...
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6086751 |
Thermal process for reducing total acid number of crude oil
TAN containing oils, e.g., crudes, are treated by flashing to remove substantially all of the water therefrom, thermally treating the recovered liquid to reduce the naphthenic acid content thereof,...
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6063266 |
Process for removing essentially naphthenic acids from a hydrocarbon oil
A process for removing essentially naphthenic acids from a crude oil which has not previously been fractionated by distillation, or from which only a naphtha fraction has been distilled. The crude...
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6054042 |
Process for neutralization of petroleum acids using overbased detergents
The invention relates to a process for treating naphthenic acid containing whole crudes or fraction thereof to reduce or eliminate their acidity by contacting the acidic whole crude or fractions...
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6039865 |
Removal of phosphates from hydrocarbon streams
Phosphates can be removed from a hydrocarbon stream by contacting said stream with a ceramic formed of a basic material which is insoluble in the hydrocarbon stream. A ceramic as used in this...
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6037516 |
Method for removal of oxygenate impurities from organic chemical streams
Oxygenate impurities are removed from an organic chemical feed or stream by treatment with an aqueous reducing agent and aqueous base, accompanied by separation. An aqueous solution of reducing...
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6030523 |
Process for neutralization of petroleum acids (LAW810)
The present invention describes a process for decreasing the acidity of a starting calcium containing, non-acid treated acidic crude oil by adding such an acidic crude oil to an effective amount of...
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5985137 |
Process to upgrade crude oils by destruction of naphthenic acids, removal of sulfur and removal of salts
A method for upgrading an oil stream containing naphthenic acid and sulfur contaminants is described. In this method, an oil stream with naphthenic acid and sulfur contaminants is upgraded by the...
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5976360 |
Viscosity reduction by heat soak-induced naphthenic acid decomposition in hydrocarbon oils
The viscosity of hydrocarbon feeds in reduced from crudes or crude by thermal treatment.
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5968346 |
Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal
A hydroprocessing process includes two hydroprocessing reaction stages, both of which produce a liquid and a vapor effluent, and a liquid-vapor contacting stage. The first stage vapor effluent...
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5948238 |
Metal compounds as accelerators for petroleum acid esterification
The present invention relates to a process for reducing the acidity of a petroleum oil containing organic acids comprising treating said petroleum oil containing organic acids with an effective...
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5910242 |
Process for reduction of total acid number in crude oil
A process for reducing the total acid number of an acidic crude by treating the crude with hydrogen treat gas in the presence of a hydrotreating catalyst wherein the treat gas also contains...
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5897769 |
Process for selectively removing lower molecular weight naphthenic acids from acidic crudes
A process for selectively removing lower molecular weight naphthenic acids from an acidic crude by treating the crude with a small pore hydrotreating catalyst at temperatures of from about 200° to...
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5891325 |
Process for reducing total acid number of crude oil
The instant invention is directed to a process for reducing organic acids in petroleum feeds containing organic acids comprising: (a) thermally treating a petroleum feed containing organic acids in...
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5871636 |
Catalytic reduction of acidity of crude oils in the absence of hydrogen
A process for reducing the acidity of acidic crude oils by contacting the crude oil with a hydrotreating catalyst in the absence of hydrogen.
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5820750 |
Thermal decomposition of naphthenic acids
Petroleum acids, e.g., naphthenic acids, are removed from crudes or crude fractions by thermal treatment.
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5494572 |
Desulfurization and denitration of light oil by extraction
This process for the desulfurization and denitration of light oil is effected by extraction with an organic solvent containing nitrogen. The invention also relates to light oil desulfurized and...
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5466364 |
Performance of contaminated wax isomerate oil and hydrocarbon synthesis liquid products by silica adsorption
The daylight stability, foaming characteristics, color, engine performance test behavior, oxygenates content, and thermal stability of wax isomerate oils and/or hydrocarbon synthesis liquid...
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5252254 |
Naphthenic acid corrosion inhibitor
Sulfonated alkylphenol is added to crude oil at 5 to 200 ppm to inhibit naphthenic acid corrosion of ferrous metal process piping and equipment in contact with the crude oil at naphthenic acid...
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