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WO/2005/095548A1 |
A process for cracking heavy hydrocarbon comprising heating the heavy hydrocarbon feedstock, mixing the heavy hydrocarbon feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flashing the mixture to form a vap...
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WO/2005/092822A1 |
A process for controlling the hydrogenation activity of a catalyst comprised of a crystalline molecular sieve and at least one hydrogenation metal selected from the group consisting of a Group VIIB metal, a Group VIII metal, and mixtures...
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WO/2005/085391A1 |
A process of production of lower olefins and aromatics involves contacting the feeds with a catalytic pyrolyzing catalyst. There are at least two reaction zones, the temperature of at least one reaction zone in the downstream of the firs...
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WO/2005/080532A1 |
The invention relates to a process for the production of linear alkanes, containing less than 6'carbon atoms, from a mix comprising one or more hydrocarbons containing at least 6 carbon. atoms. The process uses a catalytic composit...
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WO/2005/080302A1 |
The invention relates to the production of olefins or olefin mixtures comprising 8 to 12 carbon atoms by means of a four-stage synthesis from one or several olefins containing 4 to 6 carbon atoms. Said four-stage synthesis encompasses th...
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WO/2005/071045A1 |
Process for the catalytic hydrodealkylation alone of hydrocarbons, comprising C8-C13 alkylaromatic compounds, optionally mixed with C4-C9 aliphatic and cycloaliphatic products, which comprises treating said hydrocarbon compositio...
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WO/2005/061673A1 |
The present invention relates to a fluidised bed process for cracking of polymer to provide a gaseous stream comprising hydrocarbons with significantly lower molecular weight than the polymer being converted thereto, said fluidised bed p...
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WO/2005/061092A1 |
The invention relates to a reactor comprising two reaction zones and processes for the production of alkenes from alkanes. A first reaction zone includes a combustion catalyst, and a second reaction zone comprises a heating zone in therm...
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WO/2005/044789A1 |
The present invention is drawn to the manufacture of higher hydrocarbons from methane via mathanesulfonic acid, sulfene, and other pathways.
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WO/2005/035689A2 |
A process for converting natural gas to liquid hydrocarbons comprising heating the gas through a selected range of temperature for sufficient time and/or combustion of the gas at a sufficient temperature and under suitable conditions for...
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WO/2005/035468A1 |
The present invention relates to a method for preparing a styrenic olefin. The method of the present invention comprises the steps of: adding a catalyst and a solvent in a reactor and heating the reactor to create a reflux state; adding ...
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WO/2005/028594A1 |
The invention relates to a method for producing propylene from especially a light fraction created by steam explosion and/or catalytic cracking, preferably comprising butenes and pentenes, said method including a catalytic cracking stage...
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WO/2005/016856A1 |
A process for converting a hydrocarbon feedstock to provide an effluent containing light olefins, the process comprising passing a hydrocarbon feedstock comprising a mixture of a first portion, containing one or more olfeins of C4 or gre...
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WO/2005/005351A2 |
A hydrocracking process comprises the steps of reacting a diphenyl alkane having a formulation of RIR2C(Ph)-(C)n(H)m-C(Ph)R3R4 with hydrogen using a catalyst comprising a metal selected from the group consisting of Group IB and Group VII...
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WO/2005/002725A1 |
Amorphous porous solid of an acidic nature, with a controlled pore size, essentially consisting of a mixed oxide of silicon, aluminum and phosphorous, having a surface area of at least 200 m2/g, which can be used as a catalyst or active ...
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WO/2004/106463A1 |
The present invention relates to a process for the production of an olefin, said process comprising passing a mixture of a hydrocarbon and an oxygen-containing gas through a catalyst zone which is capable of supporting combustion beyond ...
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WO/2004/096439A1 |
The present invention comprises a process for producing propylene comprising the steps of contacting an olefin feed containing between 40 and 80 wt-% olefins and between 20 and 60 wt-% olefins and aromatics with a spherical catalyst to f...
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WO/2004/094348A1 |
A method for thermally cracking Diels-Alder adducts and for altering organic streams containing Diels-Alder adducts using controlled cavitation conditions.
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WO/2004/087626A1 |
The present invention provides a process for the production of olefins which process comprises co-feeding at least one unsaturated hydrocarbon with a paraffinic hydrocarbon-containing feedstock and a molecular oxygen-containing gas to an...
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WO/2004/078883A1 |
The present invention relates to a process for selectively producing C3 olefins from a catalytically cracked or thermally cracked naphtha stream by fractionating the naphtha feed to obtain a C6 fraction and feeding the C6 fraction either...
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WO/2004/078882A1 |
The present invention relates to a process for selectively producing C3 olefins from a catalytically cracked or thermally cracked naphtha stream by injecting a C6 rich fraction separated from the naphtha-boiling-range feedstream and/or t...
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WO/2004/078881A1 |
The present invention relates to a process for selectively producing C3 olefins from a catalytically cracked or thermally cracked naphtha stream. The process is practiced by recycling a C6 rich fraction of the catalytic naphtha product t...
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WO/2004/076064A1 |
The present invention relates to a catalytic composition comprising at least one lanthanide, at least one metal be longing to group VIII B and a zeolite selected from zeolite Y and zeolite Y modified by the partial or total substitut...
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WO/2004/072002A1 |
A method for producing a lower olefin product containing ethylene and propylene as main components in which a hydrocarbon raw material containing olefins is subjected to a catalytic cracking by the use of a zeolite catalyst to produce an...
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WO/2004/069961A2 |
The present invention relates to an olefinic naphtha and a process for producing lower olefinc from this naphtha. In the process of the present invention for producing lower olefins, preferably ethylene, at least a portion of a hydrocarb...
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WO/2004/067681A2 |
The present invention discloses a process for cracking a hydrocarbon feedstock into olefinic hydrocarbon products in a furnace at a temperature of above about 1300°F in a reactor furnace tube comprising a plurality of reaction lines con...
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WO/2004/052535A1 |
A calcined dehydrogenation catalyst composition having iron and potassium supported on alumina and metal ions selected from e.g. indium, calcium, samarium, cerium, sodium, molybdenum and tungsten, zinc, manganese, copper and lanthanum. A...
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WO/2004/048299A2 |
The present invention relates to a process for the production of light weight olefins comprising olefins having from 2 to 3 carbon atoms per molecule from an oxygenate feedstock. The process comprises passing the oxygenate feedstock to a...
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WO/2004/046102A2 |
Novel catalysts comprised of graphitic nanostructures. The graphitic nanostructure catalysts are suitable for catalyzing reactions such as oxidation, hydrogenation, oxidative-hydrogenation, and dehydrogenation.
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WO/2004/041772A1 |
The present invention is directed to a process for upgrading Fischer-Tropsch products comprising oxygenates, C6+ olefins, and optionally heteroatom impurities such as nitrogen compounds, by contacting the product stream with acidic olefi...
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WO/2004/037951A1 |
A process for producing an olefin which comprises catalytically cracking a hydrocarbon feedstock, wherein a pentasyl zeolite containing a rare earth element and containing manganese and/or zirconium is used as a catalyst. With this catal...
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WO/2004/037755A1 |
The invention relates to the petrochemical industry, in particular to methods for producing benzene from different benzene and /or alkylbenzene-containing mixtures produced by various oil or cocking products processing. The inventive met...
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WO2003082462B1 |
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 Groups 4 - 15 and one or more element from G...
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WO/2004/015029A1 |
The invention relates to a method for thermally cleaving hydrocarbons in the presence of steam, during which the feed mixture is guided through externally heated tubes with helical inner ribs, and a swirling flow is produced inside the g...
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WO/2004/013042A1 |
The present invention relates to new crystalline molecular sieve SSZ-64 prepared using a N-cyclobutylmethyl-N-ethylhexamethyleneiminium cation or N-cyclobutylmethyl-N-ethylheptamethyleneiminium cation structure directing agent, methods f...
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WO/2004/009519A1 |
The invention relates to a method for producing propylene, whereby a flow containing C4 to C6 olefins is evaporated, overheated, and mixed with water vapour, the olefin/steam mixture is reacted on a zeolite catalyst, and the reaction mix...
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WO/2003/106593A1 |
An improved process for the conversion of normally gaseous methane-hydrocarbon mixtures (1), such as natural gas, to a normally liquid hydrocarbon product (10) comprises separating the methane component of the gaseous mixture from the he...
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WO/2003/090918A1 |
A downflow catalytic cracking reactor, comprises: a catalyst delivery line (1), a reactor cover (2), material nozzles (3), a reactor vessel (6) and a downflow reaction tube (9). The upper end of the reactor vessel is circumferential seal...
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WO/2003/091360A1 |
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 hydrocarbons in the presence of steam to prepare ...
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WO/2003/078547A2 |
A method for converting a hydrocarbonated charge comprising a relatively heavy charge having a boiling temperature of more than 350 °C, and a secondary charge which is relatively light having a boiling temperature of less than 320 °C, ...
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WO/2003/078364A1 |
The invention relates to a method of producing propylene from, for example, a C4 and/or C5 fraction derived from steam cracking and/or catalytic cracking, preferably comprising both butenes and pentenes. The inventive method comprises at...
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WO/2003/076371A1 |
A C3 to C6 hydrogen cut from a cracking unit is processed for the conversion of olefins to propylene and hexene via autometathesis. The autometathesis of a mixed normal butenes feed in the presence of a metathesis catalyst operates witho...
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WO/2003/076550A1 |
A catalytic cracking process for selectively producing C2 to C4 olefins is described in which a feedstock containing hydrocarbons having at least 5 carbon atoms is contacted, under catalytic cracking conditions, with a catalyst compositi...
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WO/2003/062253A1 |
This invention relates to metal complexes which are useful as catalyst components in olefin metathesis reactions, atom or group transfer radical polymerisation or addition reactions and vinylation reactions. It also relates, preferably w...
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WO/2003/062178A1 |
A process is disclosed for preparing a C¿4? stream for feeding to an alkylation process which reacts isobutane with butene to produce isooctane. The C¿4? stream is treated in a first distillation column reactor to remove dienes and mer...
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WO/2003/062352A2 |
Method for the preparation of lower olefines by steam cracking, wherein the feed comprises heavy hydrocarbons obtained by Fischer-Tropsch synthesis are subjected to steam cracking in a naphtha designed steam cracking furnace for steam cr...
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WO/2003/059851A1 |
Provided is a process for converting methane at a remote natural gas site into ethylene and other products. Methane is converted into syngas which is converted into a low−sulfur liquid hydrocarbon mixture containing less than 1 ppm sul...
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WO/2003/053849A1 |
Porous hexagonal, cubic, lamellar, wormhole, or cellular foam aluminosilicates, gallosilicates and titanosilicates derived from protozeolitic seeds or zeolite fragments using an organic porogen directing agent are described. The porous a...
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WO/2003/051510A2 |
The granular, shape-selective zeolite catalyst used as a bulk material in a reactor for producing lower olefins on the basis of a mixture of higher olefins has to be decoked from time to time. For this purpose, the reactor is scavenged w...
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WO/2003/044125A2 |
A process is provided to produce a dilute ethylene stream and a dilute propylene stream to be used as feedstocks for producing olefin-based derivatives. Specifically, the dilute ethylene stream is used as a feedstock to produce ethylbenz...
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