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7862707 |
Liquid fuel feedstock production process
A process for converting feedstock into liquid hydrocarbon fuel condensate includes the steps of providing an unconventional feedstock for producing liquid hydrocarbon fuel, providing a heated heat...
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7799213 |
Additives to enhance phosphorus compound removal in refinery desalting processes
Reactive phosphorus species can be removed or transferred from a hydrocarbon phase to a water phase in an emulsion breaking process by using a composition that contains water-soluble hydroxyacids....
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7326822 |
Method for treating sour gas
Metal hydride compounds, which are prepared by mixing together from about 1 to about 10 parts by molecular weight of at least one metal selected from the group consisting of silicon, aluminum, tin,...
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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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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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6372124 |
Removal of impurities from hydrocarbon streams
The invention provides a method of purifying hydrocarbon streams from metallic impurities which comprises passing the stream through media comprising alumina with relatively minor amounts of calcia...
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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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6036849 |
Process for the removal of hydrocarbons from soils
A method of removing hydrocarbons from soils contaminated with various hydrocarbons such as gasoline, diesel fuel, solvents, motor oil and crude oil. The process first screens the soil to remove...
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6013176 |
Method for decreasing the metals content of petroleum streams
The invention relates to a process for demetallating a petroleum stream by contacting a metals-containing petroleum feed in the presence of a base selected from Group IA and IIA hydroxides and...
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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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5976359 |
Methods for reducing the concentration of amines in process and hydrocarbon fluids
Disclosed is a method for reducing the concentration of amines in hydrocarbon fluids and process streams by generating therein a nitrosating agent. The nitrosating agent will react with the amines...
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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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5871637 |
Process for upgrading heavy oil using alkaline earth metal hydroxide
The present invention relates to a continuous in-situ process for reducing the viscosity, corrosivity and density of heavy oils comprising the steps of (a) contacting a heavy oil with an aqueous...
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5650063 |
Removal of acidic halides from hot gas streams and attrition regeneration of caustic
Acidic halides, especially chlorides, are removed from a dry fluid stream by contact with dry particles of solid caustic. The solid caustic particles are preferably non-porous, and disposed as a...
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5645713 |
Three phase removal of halides from liquid hydrocarbons
Acidic halides, especially chlorides, are removed from liquid hydrocarbons such as catalytic reformate by contact with solid caustic such as a bed of NaOH pellets covered with a thin film of brine....
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4992164 |
Method of charge neutralization using chelants
A method of neutralizing chloride ions present in a hydrocarbon medium during processing in a petroleum refinery. Nitrilotriacetic acid or its salt form is injected into the crude charge upstream...
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4992210 |
Crude oil desalting process
A composition and method for improving the removal of corrosive contaminants from crude oil within the desalter in a petroleum refinery. An amine is added to the wash water or to the crude oil...
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4915818 |
Use of dilute aqueous solutions of alkali polysulfides to remove trace amounts of mercury from liquid hydrocarbons
Disclosed is a method of removing mercury from contaminated liquid hydrocarbons (natural gas condensate) by contacting them with a dilute aqueous solution of alkali metal sulfide salt and...
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4889618 |
Treatment of catalyst fines-oil mixtures
A process for separating finely divided petroleum cracking catlyst from a mixture of the finely divided catalyst particles with a high boiling refractory hydrocarbon oil by intimately contracting...
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4880527 |
Process for removing residual mercury from liquid hydrocarbons with aqueous polysulfide solutions
Liquid hydrocarbons (natural gas condensate) are depleted of contaminating mercury by contacting them with a solution of an alkali polysulfide.
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4818370 |
Process for converting heavy crudes, tars, and bitumens to lighter products in the presence of brine at supercritical conditions
A majority amount of a heavy hydrocarbon crude is reacted with a minor amount of brine, at supercritical temperature and pressure for the brine, for a predetermined period of time in order to...
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4806233 |
Method of separating a hot hydrocarbonaceous stream
A method of separating a hot hydrocarbonaceous stream having a temperature above the dew point of water and comprising hydrogen, vaporous hydrocarbonaceous compounds and an acidic inorganic...
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4773988 |
Arsenic removal from shale oil by addition of basic materials
Arsenic is removed from shale oil by the addition of one or more basic materials to the shale oil.
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4613726 |
Process for removing nickel, aluminum and chlorine from olefin oligomers
Nickel, aluminum and chlorine derivatives which remain dissolved in olefin oligomers, after oligomerization in the presence of a nickel, aluminum, and chlorine-containing catalysts, are removed by...
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4606812 |
Hydrotreating of carbonaceous materials
A process for hydrotreating carbonaceous materials is disclosed. The carbonaceous material is contacted with steam and with empirical hydrates of alkali metal hydrosulfides, monosulfides, or...
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4600502 |
Adsorbent processing to reduce basestock foaming
A method for decreasing the foaming tendency of hydrocarbons, particularly lube basestocks, is disclosed. The method comprises passing the hydrocarbon through an adsorption zone having an...
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4555310 |
Method of utilizing energy of high pressure condensate
A method of utilizing the energy of a high pressure condensate stream including passing steam at an elevated pressure in indirect heat exchange with a material to be heated, collecting a condensate...
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4428828 |
Upgrading hydrocarbonaceous oils with an aqueous liquid
A process for upgrading oils is disclosed, in which the oil to be upgraded is contacted with liquid phase water and free oxygen at an elevated temperature and at a pressure sufficient to maintain...
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4159240 |
Separating liquid and solid products of liquefaction of coal or like carbonaceous materials
Slurryform products of coal liquefaction are treated with caustic soda in presence of H2 O in an inline static mixer and then the treated product is separated into a solids fraction and liquid...
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3850745 |
PROCESS FOR REMOVING SULFUR FROM CRUDE OIL
A process for removing sulfur from crude oil by contacting with calcium carbonate-containing material at atmospheric pressures and temperatures less than about 100°F.
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3761534 |
REMOVAL OF ACIDIC CONTAMINANTS FROM PROCESS STREAMS
Acidic contaminants such as sulfuric acid, HCl, H2 S, mercaptans and organic acids are efficiently removed from organic process streams by contacting the acid-containing streams with a porous...
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3673070 |
PROCESS FOR REMOVING AND CONCENTRATING ACIDIC ORGANIC MATERIAL FROM WATER
A process for removing and concentrating acidic organic material from a water stream. The water stream is dispersed within an organic liquid solvent for removing substantial amounts of acidic...
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3538179 |
PURIFICATION OF ISOPRENE
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3804750 |
SHALE OIL TREATMENT
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3406111 |
Transformer oil
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3380915 |
Process for desulfurization with regenerable salts of weak acids
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3378485 |
Clarification of caustic treated distillate fuels
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3294678 |
Process for deasphaltening heavy petroleum crude oil
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3216927 |
Caustic treatment of fuel oils
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3168569 |
Method of bleaching polyalkylene ethers
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3100732 |
Process of bleaching wood pulp by combined treatment with peroxide and an alkali metal borohydride
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3081257 |
Production of aromatic feedstock for carbon black reactors
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3080312 |
Production of lubricating oils from naphthenic crudes
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3051645 |
Upgrading heavy hydrocarbon oils
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3004912 |
Desulfurization process utilizing metallic sodium and recycling of sludge
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3000817 |
Method of sweetening petroleum distillate
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2986514 |
Plurality stage treatment
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2970114 |
Stabilized aqueous solutions of sodium borohydride
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2957023 |
Treatment of plasticizer esters with alkali metal borohydrides
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