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7632977 |
Method and apparatus for making a middle distillate product and lower olefins from a hydrocarbon feedstock
Disclosed is a process for making middle distillate and lower olefins. The process includes catalytically cracking a gas oil feedstock within a riser reactor zone by contacting under suitable...
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7625480 |
Pyrolysis furnace feed
The invention relates to a method for processing asphaltene-containing feed to a pyrolysis furnace by raising the final boiling point of the feed/steam mixture to the pyrolysis furnace to ensure...
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7604730 |
Coking reduction in cracking reactors
The invention concerns a method for reducing coking on the metal walls of a reactor cracking hydrocarbons or other organic compounds and on the metal walls of a heat exchanger placed downstream of...
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7589247 |
Process for cracking an olefin-rich hydrocarbon feedstock
A process for cracking an olefin-containing hydrocarbon feedstock which is selective towards light olefins in the effluent, the process comprising passing a hydrocarbon feedstock containing one or...
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7588737 |
Process and apparatus for cracking hydrocarbon feedstock containing resid
A process for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture,...
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7578929 |
Process for steam cracking heavy hydrocarbon feedstocks
A process for feeding or cracking heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising: heating the heavy hydrocarbon feedstock, mixing the heavy hydrocarbon feedstock with a...
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7566811 |
Moving bed process for producing propylene, recycling a fraction of used catalyst
A process for producing propylene from a steam cracking and/or catalytic cracking light olefinic cut, involves a moving bed catalytic cracking step with a catalyst regeneration loop. The process...
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7560020 |
Deasphalting tar using stripping tower
Tar is contacted with stripping agent, such as steam or tail gas, in a stripping tower. A product comprising deasphalted tar is recovered as overheads and a product comprising heavy tar is...
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7544852 |
Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace
A process and control system for cracking a heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising heating the heavy hydrocarbon feedstock, mixing the heated heavy hydrocarbon...
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7534340 |
Process for the preparation of middle distillates and lube bases starting from synthetic hydrocarbon feedstocks
Process for the contemporaneous production of fuels and lubricating bases from synthetic paraffinic mixtures, which includes a hydrocracking step in the presence of a solid bi-functional catalyst...
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7513932 |
Planar ceramic membrane assembly and oxidation reactor system
Planar ceramic membrane assembly comprising a dense layer of mixed-conducting multi-component metal oxide material, wherein the dense layer has a first side and a second side, a porous layer of...
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7491315 |
Dual riser FCC reactor process with light and mixed light/heavy feeds
A dual riser FCC process is disclosed wherein first and second hydrocarbon feeds ( 5, 6 ) are supplied to the respective first and second risers ( 2, 4 ) to make an effluent rich in ethylene,...
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7479218 |
Deep catalytic cracking process
The present invention provides a catalytic cracking reactor system and process in which a riser reactor is configured to have two sections of different radii in order to produced improved...
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7465388 |
Method for processing hydrocarbon pyrolysis effluent
A method is disclosed for treating the effluent from a hydrocarbon pyrolysis process unit to recover heat and remove tar therefrom. The method comprises passing the gaseous effluent to at least one...
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7459072 |
Method for processing naphtha
Process for the work-up of naphtha, wherein
a) naphtha or a stream produced from naphtha in a pretreatment step is separated in a membrane unit into a stream A which is depleted in aromatics and a...
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7453019 |
Conversion process
The invention relates to a conversion process for making olefin(s) using a molecular sieve catalyst composition. More specifically, the invention is directed to a process for converting a feedstock...
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7419584 |
Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel
A process is provided for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form...
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7408093 |
Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks
Hydrocarbon feedstock containing resid is cracked by a process comprising: (a) heating said hydrocarbon feedstock; (b) mixing the heated hydrocarbon feedstock with steam to form a mixture stream;...
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7404889 |
Hydrocarbon thermal cracking using atmospheric distillation
A method for thermally cracking a hydrocarbonaceous feed wherein the feed is first processed in an atmospheric thermal distillation step to form a light gasoline and atmospheric residuum mixture....
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7405339 |
Catalyst composition comprising a heteropoly acid, zinc, and a support component and processes therefor and therewith
A process of contacting at least one isoparaffin and at least one C 5 olefin in the presence of a catalyst composition under conversion conditions to provide for converting the at least one...
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7402237 |
Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter
A process for cracking a hydrocarbon feedstock containing salt and/or particulate matter, wherein said hydrocarbon feedstock containing salt and/or particulate matter is heated, then separated into...
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7396449 |
Olefin production utilizing condensate feedstock
A method for utilizing natural gas condensate as a feedstock for an olefin production plant wherein the feedstock is subjected to vaporization and separation conditions that remove light...
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7374661 |
Thermal cracking
A method for thermally cracking a hydrocarbonaceous feed material using a combustion fuel fired furnace wherein at least part of the combustion fuel employed in the furnace is syngas.
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7375257 |
Process for cracking an olefin-rich hydrocarbon feedstock
A process for cracking an olefin containing hydrocarbon feedstock which is selective towards light olefins in the effluent, the process comprising passing a hydrocarbon feedstock containing one or...
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7374663 |
Process for vaporizing a heavy hydrocarbon feedstock with steam
A process for the preparation of lower olefins from a heavy hydrocarbon feedstock by vaporizing said heavy hydrocarbon feedstock with steam in a nozzle wherein a two-phase mixture is passed through...
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7374662 |
Method for jointly producing propylene and petrol from a relatively heavy charge
A process for conversion of a hydrocarbon feedstock comprising a relatively heavy main feedstock with a boiling point above approximately 350° C., and a relatively light secondary feedstock with a...
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7351873 |
Continuous process to separate colour bodies and/or asphalthenic contaminants from a hydrocarbon mixture
A continuous process to separate color bodies and/or asphalthenic contaminants from a hydrocarbon mixture by passing part of the hydrocarbon mixture through a membrane over which membrane a...
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7339087 |
Pyrolysis
Process for pyrolyzing a light feed in a pyrolysis furnace designed for pyrolyzing heavy feed, in which process part of the light feed is introduced at the feed inlet of the convection zone of the...
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7323099 |
Two stage fluid catalytic cracking process for selectively producing C2 to C4 olefins
A process for selectively producing C 2 to C 4 olefins from feedstock such as a gas oil or resid. The feedstock is reacted in a first stage comprising a fluid catalytic cracking unit wherein it...
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7312370 |
FCC process with improved yield of light olefins
An FCC process for obtaining light olefins comprises contacting a hydrocarbon feed stream with blended catalyst comprising regenerated catalyst and coked catalyst. The catalyst has a composition...
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7312371 |
Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precursors
A process for cracking a heavy hydrocarbon feedstock containing non-volatile components and/or coke precursors, wherein a stripping agent is added to the feedstock to form an enhanced hydrocarbon...
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7307196 |
Molecular sieve compositions, catalyst thereof, their making and use in conversion processes
The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably...
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7297833 |
Steam cracking of light hydrocarbon feedstocks containing non-volatile components and/or coke precursors
A process for cracking a light hydrocarbon feedstock containing non-volatile components and/or coke precursors, wherein a heavy hydrocarbon feedstock is added to the contaminated light hydrocarbon...
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7288691 |
Process for heat treatment of hydrocarbon feedstocks by furnace that is equipped with radiant burners
The invention consists of an application of radiant burners to furnaces for heat treatment of hydrocarbon feedstocks in which the feedstock that is to be treated circulates inside an exchange tube...
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7288690 |
Method and apparatus for steam cracking hydrocarbons
A method and apparatus for steam cracking hydrocarbons, which method consists in heating a mixture of hydrocarbons and steam to a desired temperature that is high enough to crack the hydrocarbons...
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7285697 |
Reduction of total sulfur in crude and condensate cracking
A process for cracking hydrocarbon feedstock comprising at least one sulfur-containing compound comprising: heating the feedstock and a peroxide-containing compound, mixing the heated feedstock and...
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7279610 |
Method for the preparation of lower olefines by steam cracking
A method for the preparation of lower olefins by steam cracking, wherein the feed containing heavy hydrocarbons obtained by Fischer-Tropsch synthesis is subjected to steam cracking in a naphtha...
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7270740 |
Startup of an olefins production plant
A method for starting up an olefin production plant without venting gases to the atmosphere wherein an artificial feed is employed in the compression zone of the plant while the furnace and quench...
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7244871 |
Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids
A process for decoking of a process that cracks hydrocarbon feedstock containing resid and coke precursors, wherein steam is added to the feedstock to form a mixture which is thereafter separated...
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7238847 |
Apparatus and method for determining and controlling the hydrogen-to-carbon ratio of a pyrolysis product liquid fraction
A process and apparatus for determining the hydrogen-to-carbon ratio of the liquid fraction of a pyrolysis product by determining the hydrogen-to-carbon ratio of the pyrolysis product gas fraction...
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7232937 |
Process for producing low-molecular olefins by pyrolysis of hydrocarbons
Process for producing low-molecular olefins by pyrolysis of hydrocarbons comprising mixing of feedstock with steam-diluent, preheating the resulting mixture, rapid heating the said mixture up to...
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7169292 |
Pyrolysis tube and pyrolysis method for using the same
The present invention provides a pyrolysis tube for enhancing the yield of olefins and reducing a coking tendency in steam cracking of hydrocarbons. According to the present invention, the...
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7154016 |
Atomized polysulfide used in ethylene steam cracker
Dialkyl polysulfides can be added to hydrocarbon gas fed streams for alkene steam crackers for the petrochemical industry. The polysulfides act as sulfiding agents for surfaces of the steam...
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7154015 |
Process for the production of propylene from olefinic streams
Process for the production of propylene starting from mixtures of hydrocarbons, prevalently olefins, the above hydrocarbons having a boiling point ranging from −15° C. to +80° C., preferably...
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7151199 |
Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts
Hydrocarbon or oxygenate conversion process in which a feedstock is contacted with a non zeolitic molecular sieve which has been treated to remove most, if not all, of the halogen contained in the...
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7145051 |
Combined oxydehydrogenation and cracking catalyst for production of olefins
A catalyst is provided comprising (1) at least one solid acid component, and (2) at least one metal-based component comprised of one or more element from Groups 1–3, one or more element from...
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7135105 |
Pyrolysis furnace with new type heat supply and method of high temperature cracking using the same
The present invention provides a pyrolysis furnace with new type heat supply and a method of high temperature cracking using the same. The present invention employs top burners and bottom burners...
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7090765 |
Process for cracking hydrocarbon feed with water substitution
A process for treating hydrocarbon feed in a furnace, the process comprising: (a) heating hydrocarbon feed, (b) adding water to the heated feed, (c) adding dilution steam to the heated feed to form...
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7090013 |
In situ thermal processing of a hydrocarbon containing formation to produce heated fluids
A process for utilizing the heat from fluids produced from a hydrocarbon containing formation, which has been treated in situ. The in situ treatment process may include providing heat from one or...
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7049477 |
Process for pyrolysis of hydrocarbon
The present invention relates to a process for pyrolysis of hydrocarbons for olefin preparation, and particularly to a process for pyrolysis of hydrocarbons comprising pyrolyzing paraffin...
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