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7159740 |
Method and apparatus for parallel dispensing of defined volumes of solid particles
A sample preparation system provides an automated process that dispenses appropriate amounts of solid material into wells of a microtiter plate for mixing into a suspension. The system utilizes an...
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7074324 |
Process to remove sulfur contaminants from hydrocarbon streams
A process for removing sulfur compounds from hydrocarbon streams by contacting the hydrocarbon stream, especially a gasoline stream, with an adsorbent material. The adsorbent material is...
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6881325 |
Preparation of components for transportation fuels
Economical processes are disclosed for the production of components for refinery blending of transportation fuels by selective oxidation of feedstocks comprising a mixture of hydrocarbons,...
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6749742 |
Sulfer-reduction treatment in catalytically processed gasoline and intermediate distillates of crude oil by means of a silica gel
A chemical treatment is disclosed for reducing the sulfur content of catalytically processed gasoline and intermediate crude-oil products, by absorbing the sulfur contained in such catalytically...
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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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6602405 |
Sulfur removal process
A product of reduced sulfur content is produced from an olefin-containing hydrocarbon feedstock which includes sulfur-containing impurities. The feedstock is contacted with an olefin-modification...
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6596914 |
Method of desulfurization and dearomatization of petroleum liquids by oxidation and solvent extraction
A multi-step process for desulfurizing liquid petroleum fuels that also removes nitrogen-containing compounds and aromatics. The process steps are: thiophene extraction; thiophene oxidation;...
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6344136 |
Methods for reducing sulfur and carbon in petroleum refining processes
A process is disclosed for the hydrotreatment of feedstocks for fluidic cat crackers comprising reacting such feedstocks over high-conversion catalyst contain grate nickel-tungsten.
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5258117 |
Means for and methods of removing heavy bottoms from an effluent of a high temperature flash drum
A process for improving the performance of heavy oil refining units in a resid hydrotreating unit equipped for resid hydrotreating. The partially refined resid stream issuing from a train of...
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5242578 |
Means for and methods of deasphalting low sulfur and hydrotreated resids
A refining process uses a two or four stage solvent separator coupled to receive an incoming feedstream of low sulfur resid and a solvent. In the preferred two stage separator, the mixture at the...
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5087350 |
Process for recovering metals and for removing sulfur from materials containing them by means of an oxidative extraction
A process for removing S and Fe and to reclaim V, Ni and Co from coal or oil and their derivatives or from minerals. The process is based upon an oxidative extraction performed with hypochlorous...
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4885080 |
Process for demetallizing and desulfurizing heavy crude oil
A heavy crude oil is fractionated into at least three liquid fractions which include a distillate fraction boiling in the 400° F.-650° F. range and a 650° F.+ boiling range residuum. The...
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4786405 |
Method of desulfurizing and deodorizing sulfur bearing hydrocarbon feedstocks
Sulfur-bearing liquid hydrocarbon feedstocks such as kerosene undergo desulfurization and deodorization by contacting such feedstocks with sodium hydride at normal atmospheric pressure and at...
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4485007 |
Process for purifying hydrocarbonaceous oils
A process for purifying hydrocarbonaceous oils containing heteroatom sulfur and heteroatom nitrogen compound impurities comprising the steps of: (1) reacting said hydrocarbonaceous oil with an...
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4465589 |
Removal of contaminants from organic compositions
Metals, nitrogen and/or sulfur, particularly vanadium, nickel and nitrogen, are removed from organic compositions, particularly heavy hydrocarbon oils, by contacting the organic composition with a...
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3719587 |
PURGING AND WASHING COAL NAPHTHA TO REMOVE DIHYDROGEN SULFIDE AND BASIC NITROGEN
Coal-derived naphtha boiling within the range from 80° F. to 450° F. has been found to contain sulfur as H 2 S and nitrogen as basic nitrogen compounds, particularly after the extract has been...
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3284343 |
Removal of sulfur bodies
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3095368 |
Process for removing metallic contaminants from oils
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3093576 |
Refining of crude petroleum
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3044955 |
Electrical insulating oils
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2980606 |
Hydrocarbon refining to reduce sulfur, nitrogen, and naphthenic acid content
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2973317 |
Refining raw lube oil stock with a mild hydrogen treatment followed by sulfuric acid
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