Matches 1 - 50 out of 129 1 2 3 >
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7572365 Modified thermal processing of heavy hydrocarbon feedstocks  
The present invention is directed to the upgrading of heavy petroleum oils of high viscosity and low API gravity that are typically not suitable for pipelining without the use of diluents. It...
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...
7381322 Resid cracking apparatus with catalyst and adsorbent regenerators and a process thereof  
This invention provides a resid cracking apparatus comprising a riser, reactor, stripper cum separator with adjustable outlets in flow communication with adsorbent and catalyst regenerators for...
6848374 Control of mercury emissions from solid fuel combustion  
A system 26 for removing elemental mercury or mercury compounds handles carbonaceous sorbent 28 of a starter batch stored in a silo 30 in an agglomerated state. The sorbent 28 is fed by a...
6723229 Process for the production of medicinal white oil using M41S and sulfur sorbent  
A four stage process for producing high quality white oils, particularly food or medicinal grade mineral oils from mineral oil distillates. The first reaction stage employs a sulfur resistant...
6656344 Fluidized catalytic cracking process  
A sequential processing for heavy petroleum residues is disclosed which uses a separate mixture of catalyst and adsorbent. The solid adsorbent and FCC (fluids catalytic cracking) catalyst particles...
6248230 Method for manufacturing cleaner fuels  
A method is provided for manufacturing cleaner fuels, in which NPC (Natural Polar Compounds), naturally existing in small quantities within various petrolic hydrocarbon fractions, are removed from...
5919352 Integrated residua upgrading and fluid catalytic cracking  
A process wherein a residuum feedstock is upgraded in a short vapor contact time thermal process unit comprised of a horizontal moving bed of fluidized hot particles, then fed to a fluid catalytic...
5770047 Process for producing reformulated gasoline by reducing sulfur, nitrogen and olefin  
A process for upgrading a nitrogen and sulfur rich heavy naphtha feedstock includes the steps of providing a naphtha feedstock having an initial nitrogen content, an initial sulfur content and an...
5725756 In situ mitigation of coke buildup in porous catalysts with supercritical reaction media  
A method to minimize catalyst deactivation rate and coke laydown, and maximize desired reaction rate in processing of industrially significant reactions under supercritical conditions to generate a...
5702590 Process for the removal of mercury  
The invention relates to a process for the removal of mercury and/or other heavy metals from a cracker feed with the aid of an adsorbent. The process is characterized in that the feed is also...
5629465 Manufacturing olefins from gas oil  
Disclosed is a method of selecting a gas oil feedstock for use in manufacturing olefins. The feedstock is analyzed for the presence of benzothiophenes and is used to manufacture olefins only if it...
5552035 Zeolite aggregates and catalysts  
A process for producing zeolite aggregates involves providing a formable paste composed of zeolite, a binder composed of an organic/metal oxide containing aluminum, a peptizing agent and water;...
5507939 Catalytic reforming process with sulfur preclusion  
A hydrocarbon feedstock is catalytically reformed to effect dehydrocyclization of paraffins in a process combination comprising a first reforming zone, a sulfur-removal zone containing a mixed...
5378250 Process for production of an ether-rich additive  
A process for the production of an ether-rich additive for gasoline, and more particularly, the production of MTBE, TAME and mixtures thereof from light hydrocarbon streams comprising passing the...
5354931 Process for hydrotreating an organic feedstock containing oxygen compounds and a halogen component  
The invention provides a process for hydrotreating an organic feedstock containing oxygen compounds and a halogen component by means of removing the oxygen compounds with an adsorbent and then...
5324420 Sulfur removal from hydrocarbons with nickel containing catalyst  
Treatment of sulphur bearing hydrocarbons, especially olefin feedstocks to the oxo process, with a nickel-containing catalyst, especially spent hydrogenation catalyst, which may be amine treated.
5322615 Method for removing sulfur to ultra low levels for protection of reforming catalysts  
Provided is a method for removing residual sulfur from a hydrotreated naphtha feedstock. The process comprises contacting the naphtha feedstock with a first solid sulfur sorbent comprising a metal...
5304693 Process for eliminating mercury from steam cracking installations  
A process for the elimination of mercury from an overall steam cracking installation, characterized in that regeneration is terminated by the injection of regeneration gas onto an active...
5268090 FCC process for reducing sox using H.sub.2 S free lift gas  
This invention provides a method of reducing the sulfur oxide emissions from the regenerator of an FCC process that cracks a sulfur containing feedstream. The sulfur oxide emissions are reduced by...
5173173 Trace contaminant removal in distillation units  
A hydrocarbon feedstock is simultaneously distilled into two or more fractions while trace concentrations of contaminants in the feedstock are absorbed onto a sorbent packing material during...
5164076 Process for the adsorption of hydrogen sulfide with clinoptilolite molecular sieves  
Processes are disclosed for the separation of hydrogen sulfide from feedstreams containing hydrogen sulfide and hydrocarbons by adsorption using a clinoptilolite adsorbent containing cations having...
5107060 Thermal cracking of mercury-containing hydrocarbon  
A method is provided for high temperature conversion of mercutry-containing hydrocarbon feedstocks to produce a product stream with a negligible mercury level and to protect cryogenic heat...
5106484 Purifying feed for reforming over zeolite catalysts  
The present invention is directed to a process for treating hydrotreated naphtha which involves treating the naphtha over massive nickel catalyst followed by treating the naphtha over a metal oxide...
5059302 Method and apparatus for the fluid catalytic cracking of hydrocarbon feed employing a separable mixture of catalyst and sorbent particles  
The present invention features the use of a particulate sorbent and a particulate FCC catalyst, which are physically separable, sequentially in the same FCC riser, followed by separation of...
5057205 Additive for vanadium and sulfur oxide capture in catalytic cracking  
A catalytic cracking process especially useful for the catalytic cracking of high metals content feeds including resids in which the feed is cracked in the presence of a catalyst additive...
5051163 Nitrogen-tolerant cracking process  
A process is disclosed for reducing the impact of basic compounds, such as nitrogen, on hydrocarbonaceous feed intended for catalytic cracking. In a preferred embodiment, a portion of the...
4980045 Heavy oil pretreatment process with reduced sulfur oxide emissions  
A process is provided for the pretreatment of heavy oil feeds to demetalate and remove coke precursors. Inert, sorbent material is utilized in a reaction zone to effect the contaminant removal and...
4978439 Desulphurisation using solid sorbents  
Desulphurization process for feedstocks in which the sulphur compounds contained therein are first separated into a concentrate stream which is then hydro-desulphurized, and the resulting hydrogen...
4961838 Two step process for the obtainment of white oils  
A two step process for the obtainment of white oils, using hydrocarbons which are heavy alkylates obtained as a by product in the manufacture of detergent range linear alkylbenzene (9-15 carbon...
4944862 Integrated catalytic dewaxing and catalytic cracking process  
Dewaxing, preferably catalytic dewaxing over zeolite beta or ZSM-5, improves the crackability of a heavy, waxy feed to a catalytic cracking unit. When the catalytic dewaxing occurs at temperatures...
4929334 Fluid-bed reaction process  
An improved fluid-bed reaction process and apparatus are disclosed in which feedstock is preheated and may be at least partially converted by contacting the feedstock with spent catalyst in a...
4891130 Process for removing metals from aluminosilicate materials  
Disclosed is a process for removing accumulated metals, particularly vanadium and nickel, from particulate aluminosilicate materials and aluminosilicate materials that are obtained by the process....
4875994 Process and apparatus for catalytic cracking of residual oils  
A process and apparatus for cracking heavy hydrocarbons using a mixture of fluid cracking catalyst and a demetallizing additive differing in physical characteristics from the cracking catalyst is...
4831207 Chemical processing with an operational step sensitive to a feedstream component  
The present invention relates to a chemical process involving a processing step which is sensitive to the presence of at least one component contained within the stream to be processed and to an...
4831208 Chemical processing with an operational step sensitive to a feedstream component  
The present invention relates to a chemical process involving a processing step which is sensitive to the presence of at least one component contained within the stream to be processed and to an...
4818373 Process for upgrading tar and bitumen  
A method for updating a concentrate of tar sands bitumen containing fine mineral matter and optionally coarse mineral matter in which solvent-diluted bitumen is contacted for a short time in a...
4795545 Process for pretreatment of light hydrocarbons to remove sulfur, water, and oxygen-containing compounds  
A pretreatment process for removal of contaminants from a light hydrocarbon feedstock is presented. The feedstock is passed to a first adsorption zone containing a molecular sieve and thereafter...
4775460 Hydrocracking process with feed pretreatment  
Problems associated with the formation of polycyclic aromatic compounds within hydrocracking reaction zones are reduced by a feed pretreating sequence which comprises first contacting the feed with...
4724065 Hydrocarbon conversion with hot and cooled regenerated catalyst in series  
An improved heat balanced hydrocarbon conversion process is disclosed of the type employing circulating solids between a riser reactor (contactor) and regenerator (combustor). The ratio of...
4719003 Process for restoring activity of dewaxing catalysts  
It has been discovered that although a spent dewaxing catalyst based on a shape selective zeolite catalyst can be regenerated to restore its alpha activity, while substantially maintaining the acid...
4695366 Desulfurization process  
A novel catalytic absorbent composition is prepared with a synthetic copper or silver carbonate-containing material. The absorbent is useful for removing hydrogen sulfide and mercaptan sulfur from...
4686775 Absorbent drying method by contacting with a hydrocarbon  
A method for drying a catalytic absorbent involves the contacting of a drying fluid with the wet absorbent until the absorbent is reduced to a desired level of water content. Prior to startup of a...
4659452 Multi-stage hydrofining process  
A two-stage hydrotreating process comprises the steps of (1) contacting a liquid hydrocarbon-containing feed stream, which contains nickel, vanadium and Ramsbottom carbon residue, with hydrogen and...
4645587 Process for removing silicon compounds from hydrocarbon streams  
Silicon components are removed from a hydrocarbon stream by contacting the stream with a sorbent comprising a mixture of a copper component and a porous, inorganic refractory oxide containing...
4634516 Slurry treatment of a gas oil or kerosene feed stock for a steam cracking procedure  
A process is disclosed for deactivating or removing aromatic compounds from a kerosene or gas oil, which aromatics are coke precursors in a steam cracking process (conducted in the absence of a...
4634515 Nickel adsorbent for sulfur removal from hydrocarbon feeds  
An improved sulfur trap for the sulfur level reduction of a reformer feed leaving a hydrofiner to render it suitable for use in a reforming unit employing a sulfur-sensitive reforming catalyst. The...
4624776 Selective removal of coke precursors from hydrocarbon feedstock  
A major portion, preferably a substantial portion, of the coke precursors may be removed from atmospheric and vacuum resids having a Conradson carbon residue of at least about 10 wt. % by...
4592829 Desulfurization of hydrocarbons  
A process for the use of such sorbent, or catalyst, to effectively remove sulfur from naphthas at temperatures above about 350° F. without the significant production, if any, of PNA's. The...
4585544 Hydrocarbon pretreatment process for catalytic cracking  
A process for pretreating residual oil by thermal regenerative vaporizing and pretreatment at short residence times and catalytically cracking the pretreated effluent from the thermal regenerative...
Matches 1 - 50 out of 129 1 2 3 >