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Document Title |
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8177959 |
Treatment of hydrocarbon fluids with ozone
A method of treating a hydrocarbon fluid that includes contacting the hydrocarbon fluid with an effective amount of ozone. A method for separating contaminants from a contaminated material includes...
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7871509 |
Process and apparatus for modifying bitumen
Apparatus for modifying bitumen. The apparatus includes a multi-section loop tube reactor A circulation pump (11) circulates bitumen in the reactor (10) and air is introduced at air injection point...
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7867376 |
Treatment of hydrocarbon fluids with ozone
A method of treating a hydrocarbon fluid that includes contacting the hydrocarbon fluid with an effective amount of ozone. A method for separating contaminants from a contaminated material includes...
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7828957 |
Olefin waxes having improved hardness or viscosity
In one embodiment, we disclose hardened olefin waxes and processes for preparing them. In another embodiment, we disclose oxidized olefin waxes having low viscosity and processes for preparing...
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7811444 |
Oxidation of asphaltenes
A method for processing asphaltenes is disclosed. The method can include separating asphaltenes from an asphaltene-containing composition and oxidizing the separated asphaltenes to form oxidation...
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7501054 |
Oxygen-containing diesel fuel, process and catalyst for producing same
A process for upgrading a diesel fuel, includes the steps of providing a diesel fuel feedstock; hydrogenating the feedstock at a pressure of less than about 600 psig so as to provide a hydrogenated...
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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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7108780 |
Oil desalting by forming unstable water-in-oil emulsions
A method for determination for a given oil the relative stability of a water-in-oil emulsion that will be formed by that oil with water comprises measuring for the given oil the weight percent...
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6761818 |
Heavy oil-solid composition and method for preparing the same
The invention includes a compositon of matter comprising a heavy oil having dispersed therein surface modified solid wherein said surface modified solids comprise solids having adsorbed thereon air...
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6673230 |
Process for oxygenation of components for refinery blending of transportation fuels
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...
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6280608 |
Layered catalyst composition and processes for preparing and using the composition
This invention relates to a layered catalyst composition, a process for preparing the composition and processes for using the composition. The catalyst composition comprises an inner core such as...
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5824207 |
Method and apparatus for oxidizing an organic liquid
The present invention relates generally to a method and apparatus for oxidizing an organic liquid, and, more particularly, to a method and apparatus for improving the combustion characteristics of...
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5656070 |
Corrosion inhibiting compositions containing plant derived catechol complexes
Corrosion inhibiting composition include the use of certain plant derived catechol complexes in aqueous based compositions, such as process water, and other aqueous and non-aqueous solvent based...
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5387333 |
Process for producing optically isotropic pitch
An optically isotropic pitch can be obtained by a two-stage heat-treatment which combines a heat treatment with air-blowing under normal pressure with a heat treatment with air-blowing under a...
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5310479 |
Process for reducing the sulfur content of a crude
A process for reducing the aliphatic sulfur content of a crude oil in a production site is disclosed. A crude oil with a high aliphatic sulfur content is treated at ambient reaction temperature...
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5288390 |
Polycyclic aromatic ring cleavage (PARC) process
A process for the processing or upgrading of heavy oil fractions containing polynuclear aromatics is disclosed. The process comprises selectively oxidizing a feedstock under low severity conditions...
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5126037 |
Geopreater heating method and apparatus
A separate heat source, such an a skin effect heater, is added to a subterranean heat exchanger and oxygen combustion device for upgrading viscous crude oil feeds. An insulated wire is integrated...
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5120428 |
Deashing of heavy hydrocarbon residues
A process is described for removing mineral or ash constituents from heavy hydrocarbon residues, such as those resulting from coal-oil coprocessing, residue hydrocracking or coal liquifaction. The...
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4975176 |
Process for the production of bitumens of a high penetration value, apparatus for carrying it out, and products thus obtained
The process permits to produce bitumens having a high penetration value by oxidation of base bitumens with small volumes of gaseous oxidizers, preferably air, at a temperature between 170° and ...
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4883581 |
Pretreatment for reducing oxidative reactivity of baseoils
Method of producing a baseoil having a reduced coking tendency by removing precursors from the baseoil. Baseoil having reduced coking tendencies which comprises a substantially no coking precursors...
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4818371 |
Viscosity reduction by direct oxidative heating
A method is disclosed for reducing the viscosity of a hydrocarbon feed. The feed is heated from an initial temperature to a second temperature and an oxidizing agent is introduced to oxidize...
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4752379 |
Arsenic removal from shale oil by oxidation
Arsenic is removed from shale oil by the addition of oxidizing agents.
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4743353 |
Oxidation process
A hydrocarbon conversion catalyst containing a Group VIB metal on a porous refractory oxide is prepared by impregnating support particles with a solution containing Group VIB metal components and...
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4723963 |
Fuel having improved cetane
A middle distillate hydrocarbon fuel boiling in the range of about 160° C. to about 400° C. having an improved cetane number is disclosed. The fuel comprises at least about 3 weight percent o...
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4631384 |
Bitumen combustion process
Process for the combustion of bitumen, wherein the bitumen is softened by preheating and is then introduced into a combustion chamber, traversed by oxygen in excess subject to ionization by an...
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4568450 |
Hydrocarbon conversion process
A hydrocarbon conversion catalyst containing a Group VIB metal on a porous refractory oxide is prepared by impregnating support particles with a solution containing Group VIB metal components and...
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4533458 |
Redox catalyst plus promoter for oxidation of hydrocarbons
Liquid hydrocarbons are oxidized in the presence of a redox catalyst metal in combination with an alkali metal or alkaline metal promoter.
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4502949 |
Catalytic oxidation of mercaptan in petroleum distillate
A process for sweetening a sour hydrocarbon fraction containing mercaptan which comprises reacting mercaptan contained in the hydrocarbon fraction with an oxidizing agent by contacting the...
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4426329 |
One step modification and oxidation of waxes
This invention relates to a one step process of oxidizing a natural or synthetic non-benzenoid hydrocarbon wax in the presence of a metal oxide or hydroxide, such as potassium, sodium or lithium...
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4424107 |
Organic surfactant oxidation promoters for hydrocarbons
Liquid hydrocarbons are oxidized in the presence of an organic surfactant promoter.
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4390472 |
Process for the oxidation of hydrocarbons
The process for the catalytic oxidation of hydrocarbons and more particularly of petrolatum of similar raw material having a high content in microcrystalline waxes comprises introducing a molecular...
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4370218 |
Inorganic salt oxidation promoters for hydrocarbons
Liquid hydrocarbons are oxidized in the presence of an inorganic salt promoter.
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4280818 |
Novel compositions of matter and process for utilizing same
A process for producing a novel composition of matter which comprises oxidizing a hydrocarbon oil with aqueous nitric acid, separating from the resulting oxidation product an aqueous phase and an...
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4199431 |
Oxidation of petrolatums in the presence of halide salts
Petrolatums are oxidized to high acid numbers by agitating a liquid petrolatum charge with the halide salt of an alkali metal, alkali earth metal or substituted ammonium halide while forcing...
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4198285 |
Oxidation of hydrocarbon waxes in the presence of sulfobetaines
Hydrocarbon waxes are oxidized to high acid numbers by agitating the liquid hydrocarbon wax with a sulfobetaine while forcing gaseous air or oxygen through the liquid charge.
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4192812 |
Oxidation of waxes in the presence of long chain quaternary ammonium and phosphonium compounds
The oxidation of hydrocarbon waxes to corresponding fatty acids through the use of conventional catalysts and oxidizing gases such as air is promoted by the addition of quaternary ammonium and...
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4186077 |
Oxidation of hydrocarbon waxes in the presence of amine oxides
Hydrocarbon waxes are oxidized to high acid numbers by agitating the liquid hydrocarbon wax with an amine oxide while forcing gaseous air or oxygen through the liquid charge.
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4140619 |
Wax treating process
The molecular weight of a solid paraffin wax having an oil content of no more than about 2% by weight is increased by contacting the wax at elevated temperature with at least about 5% by weight of...
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4092240 |
Refrigeration oil processing
A refrigeration oil processing sequence is disclosed which produces a superior oil without the use of sulfuric acid treating and the resultant sludge problems. The process comprises contacting a...
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4089689 |
Petroleum oxidate and calcium derivatives thereof
A petroleum oxidate of gel resistant properties characterized by a Neut. No. between about 40 and 50, a Sap. No. between about 85 and 105, a specific gravity between about 0.99 and 1.03, a...
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4088566 |
Transformer oil processing
A transformer oil processing sequence is disclosed which produces a superior oil without the use of large doses of sulfuric acid and the resultant sludge problems. The process comprises contacting...
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4082648 |
Process for separating solid asphaltic fraction from hydrocracked petroleum feedstock
A pretreating process for upgrading heavy petroleum feedstocks is disclosed. In a pretreating zone, the feedstock is contacted, in the presence of hydrogen, with a cracking catalyst. In this...
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4052290 |
Asphalt compositions
Improved asphalt compositions are provided which are produced by forming a homogeneous blend of marginal asphalt stock with coal-derived asphaltenes, and air-blowing the homogeneous blend to yield...
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3960704 |
Manufacture of isotropic delayed petroleum coke
Isotropic petroleum coke is produced by air blowing a petroleum residuum to produce a delayed coking feedstock having a particular softening point and then coking said air-blown residuum with or...
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3901789 |
Solvent dewaxing with oxidized high molecular weight alpha olefin wax aids
Oxidation of a high molecular weight unsaturated waxes having substantial alphaolefin content yield products having excellent deoiling and/or dewaxing properties.
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3883404 |
Method for making sulfur dioxide-treated asphalt binders
Asphalt-like binding and coating agents are made by reacting SO2 or a gas containing SO2 with liquid phase hydrocarbon materials at elevated temperatures, optionally in the presence of a catalyst,...
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3883416 |
Stabilization of lube oil
This invention relates to a method for improving the oxidative stability of hydrocarbon lubricating oils by contact with a gas containing free oxygen in the presence of a solid basic refractory...
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3671421 |
PROCESS FOR INCREASING THE YIELD OF LOWER BOILING HYDROCARBONS
A process for increasing the yield of lower boiling hydrocarbons from heavy hydrocarbon fractions by oxidizing a heavy hydrocarbon fraction using for example air followed by subjecting the oxidized...
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3488277 |
PROCESS FOR PREPARING MINERAL OIL-DERIVED PITCH
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3591486 |
HYDROCRACKING PROCESS
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