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8927799 Propane dehydrogenation process utilizing fluidized catalyst system  
A process for the production of propylene from a propane rich hydrocarbon source is presented. The process converts a propane rich stream and uses less equipment and energy for the separation and...
8859837 Process for oxidative dehydrogenation of paraffinic lower hydrocarbons  
The present invention relates to a process for producing lower olefinic hydrocarbons by oxidative dehydrogenation of paraffinic lower hydrocarbons. More particularly the present invention provides...
8846996 Supported oxidative dehydrogenation catalyst  
The present invention provides a process for the manufacture of an efficient and robust catalyst for the oxidative dehydrogenation of paraffins to olefins, preferably lower C2-4 paraffins. The...
8802912 Effect of wet reduction on catalyst stability and methods of maintaining catalyst stability  
The present invention provides a method of increasing stability of a catalyst used in a dehydrogenation process. The method includes storing fresh catalyst in a reduction zone, passing a gas...
8785343 Mesoporous carbon supported copper based catalyst, production and use thereof  
This invention relates to a mesoporous carbon supported copper based catalyst comprising mesoporous carbon, a copper component and an auxiliary element supported on said mesoporous carbon,...
8669406 Process for the preparation of hydrogenated hydrocarbon compounds  
A process for the dehydrogenation of a paraffinic hydrocarbon compound, such as an alkane or alkylaromatic hydrocarbon compound to produce an unsaturated hydrocarbon compound, such as an olefin or...
8653317 Dehydrogenation process and catalyst  
A supported catalyst and process for dehydrogenating a hydrocarbon, the catalyst comprising a first component selected from the group consisting of tin, germanium, lead, indium, gallium, thallium,...
8642825 Membrane-supported catalysts and the process of oxidative dehydrogenation of ethane using the same  
The present invention provides a continuous process for the oxidative dehydrogenation of ethane to ethylene using a mixed oxide catalyst supported onto a ceramic membrane by supplying an oxygen...
8624074 Reactor flowscheme for dehydrogenation of propane to propylene  
A process for the dehydrogenation of paraffins is presented. The process utilizes a rapid recycling of dehydrogenation catalyst between the dehydrogenation reactor and the catalyst regeneration...
8552237 Catalyst, its preparation and use  
A dehydrogenation catalyst is described that comprises an iron oxide, an alkali metal or compound thereof, and rhenium or a compound thereof. A process for preparing a dehydrogenation catalyst...
8524969 Dehydrogenation reactions of hydrocarbons to alkenes  
A method for the dehydrogenation of hydrocarbons to alkenes, such as n-pentene to piperylene and n-butane to butadiene at pressures less than atmospheric utilizing a dehydrogenation catalyst are...
8519210 Process for producing ethylene via oxidative dehydrogenation (ODH) of ethane  
A process for the oxidative dehydrogenation of ethane is disclosed. The process may include: contacting an ethane feed and an oxygen-containing gas in the presence of an oxidative dehydrogenation...
8431761 Hydrocarbon dehydrogenation with zirconia  
A method for obtaining an olefin is disclosed, the method comprising subjecting a paraffin to dehydrogenation in the absence of oxygen and in the presence of a catalyst comprising a crystalline...
7906699 Processes for producing ethylene and carbon monoxide mixtures from ethane  
A method for producing a mixture of ethylene and carbon monoxide by contacting ethane and an oxygen source at a temperature of at least 500° C. to produce ethylene and carbon monoxide. A method...
7902416 Fluidized bed reactor with back-mixing for dehydrogenation of light paraffins  
An improved process and system for the endothermic dehydrogenation of an alkane stream is described. The process and system of the present invention comprise a back-mixed fluidized bed reactor....
7816576 Method for catalytically dehydrating hydrocarbons  
The invention relates to a method for producing unsaturated hydrocarbons. According to said method, in a first step, a hydrocarbon, especially a mixture which contains alkanes, essentially no...
7795483 Phenyl-alkane compositions produced using an adsorptive separation section  
The present invention is a process for producing phenyl-alkanes by paraffin adsorptive separation followed by paraffin dehydrogenation and then by alkylation of a phenyl compound by a lightly...
7754935 Dehydrogenation reactions in narrow reaction chambers and integrated reactors  
Methods of dehydrogenating hydrocarbons to yield unsaturated compounds are described. Reactor configurations useful for dehydrogenation are also described. Hydrocarbons can be dehydrogenated, for...
7678956 Method for catalytically dehydrating propane to form propylene  
The invention relates to a method for producing propylene during which a first gas mixture, which is technically free of oxygen but contains propane, water vapor and hydrogen, and which has a...
7674944 Ni catalysts and methods for alkane dehydrogenation  
Catalysts and methods for alkane oxydehydrogenation are disclosed. The catalysts of the invention generally comprise (i) nickel or a nickel-containing compound and (ii) at least one or more of...
7663011 Mesoporous material with active metals  
A process for treating organic compounds includes providing a composition which includes a substantially mesoporous structure of refractory oxide containing at least 97% by volume of pores having...
7595427 Process for production of styrene by catalytic gas phase dehydrogenation of ethylbenzene  
Process for production of styrene by dehydrogenation of ethylbenzene in a reactor system comprising a dehydrogenation reactor and a fast riser catalyst regenerator.
7518027 Production of olefins  
A process for the production of a mono-olefin from a feedstock comprising a paraffinic hydrocabon which process comprises a) partially combusting at a pressure of at least (15) barg a mixture of...
7402719 Catalytic oxidative dehydrogenation, and microchannel reactors for catalytic oxidative dehydrogenation  
The invention provides methods of oxidative dehydrogenation (ODH). Conducting ODH in microchannels has unexpectedly been found to yield superior performance when compared to the same reactions at...
7329791 Hydrogen transport membranes for dehydrogenation reactions  
A method of converting C2 and/or higher alkanes to olefins by contacting a feedstock containing C2 and/or higher alkanes with a first surface of a metal composite membrane of a sintered homogenous...
7319179 Method for the oxidative dehydrogenation of ethane  
The invention relates to a method for the oxidative dehydrogenation of ethane. The inventive method is characterized in that it consists of bringing the ethane into contact with the catalyst...
7291760 Process for the production of olefins  
A process for the production of an olefin comprising partially combusting in a reaction zone a mixture of a hydrocarbon and an oxygen-containing gas in the presence of a catalyst which is capable...
7291761 Partial dehydrogenation method using continuous heterogeneous catalysis  
A process for the continuous heterogeneously catalyzed partial dehydrogenation of a hydrocarbon in the gas phase and in the presence of molecular oxygen, in which part of the product gas is...
7235706 Process for preparing light olefins by dehydrogenation of the corresponding paraffins  
A process for preparing light olefins from corresponding paraffins consists of reacting said paraffins in a reactor, operating at a temperature of between 450 and 800° C., a pressure of between...
7223897 Process for the production of olefins  
A process for the production of an olefin from a hydrocarbon by autothermal cracking, which process comprises: partially combusting the hydrocarbon and an oxygen-containing gas in the presence of...
7164053 Process for the production of olefins  
Process for the production of an olefin from a hydrocarbon, which process comprises contacting the hydrocarbon and a molecular oxygen-containing gas with a catalyst under auto-thermal conditions...
7087802 Method for the dehydrogenation of hydrocarbons  
In a process for the heterogeneously catalyzed dehydrogenation in one or more reaction zones of one or more dehydrogenatable C2-C30-hydrocarbons in a reaction gas mixture comprising them, with at...
7045671 Process for catalytic dehydrogenation and catalyst therefor  
A process for catalytic dehydrogenation of a dehydrogenatable hydrocarbon process stream to the corresponding olefin or olefins, the process comprising contacting the dehydrogenatable hydrocarbon...
7041866 Solid-acid isomerization catalyst and process  
A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated...
6977322 Isomerization catalyst and processes  
A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a tungstated...
6963018 Integrated processes for olefin and polyolefin production  
Novel processes for the production of polyolefins, other polymers, and oxygenated compounds, such as polypropylene, polyethylene, polybutene-1, poly(isobutylene), polystyrene, poly(1,3-butadiene),...
6891075 Processes for oxidative dehyrogenation  
Processes for oxidative dehydrogenation of alkane to one or more olefins, exemplified by ethane to ethylene, are disclosed using novel catalysts. The catalysts comprise a mixture of metal oxides...
6858768 Oxidative dehydrogenation of alkanes to olefins using an oxide surface  
A catalyst useful for the production of olefins from alkanes via oxidative dehydrogenation (ODH) is disclosed. The catalyst includes an oxide selected from the group containing alumina, zirconia,...
6841712 Process for the dehydrogenation of ethylbenzene to styrene  
A process is described for the dehydrogenation of ethylbenzene to styrene in a fluid-bed reactor-regenerator system, which uses a catalyst based on iron oxide supported on a modified alumina and...
6831204 MCrAlY supported catalysts for oxidative dehydrogenation of alkanes  
A new family of oxidative dehydrogenation catalysts having MCrAlY supports can be used in the production of olefins. Olefins are produced by heating a feed stream comprising at least an alkane and...
6756517 Lower alkane oxidative dehydrogenation catalysts and a process for producing olefins  
Lower alkenes of from 2 to 5 carbon atoms, such as propene, are produced by the vapor phase catalytic oxidative dehydrogenation of lower alkane, such as propane, using a mixed metal oxide catalyst...
6700028 Advances in dehydrogenation catalysis  
Provided herein are processes for the dehydrogenation of hydrocarbons using new supported catalysts. A process according to the invention employs new catalysts that possess a unique pore size...
6670516 Process for producing phenyl-alkanes using olefin isomerization and paraffin recycle  
A process for producing phenyl-alkanes by paraffin dehydrogenation followed by olefin isomerization and then by alkylation of a phenyl compound by a lightly branched olefin is disclosed. An...
6635794 Catalysts for oxidative dehydrogenation of alkanes and a process for producing olefins  
Novel oxidative dehydrogenation catalysts which are useful in vapor-phase oxidative dehydrogenation of lower alkanes with molecular oxygen to produce corresponding olefins at high yields are...
6635793 Preparation of epoxides from alkanes using lanthanide-promoted silver catalysts  
A process is provided for use in the conversion of alkanes into alkylene oxides, having particular utility in the conversion of propane to form propylene oxide, using a lanthanide-promoted,...
6624116 On-line synthesis and regeneration of a catalyst used in autothermal oxidation  
An on-line method of synthesizing or regenerating catalysts for autothermal oxidation processes, specifically, the oxidation of paraffinic hydrocarbons, for example, ethane, propane, and naphtha,...
6600082 Process for dehydrogenating organic compounds in the presence of a supported bimetallic catalyst with a strong interaction between a group VIII metal and tin  
A process for dehydrogenating organic compounds, in particular paraffins and naphthenes, is carried out in the presence of a supported catalyst comprising a group VIII metal such as platinum, and...
6576804 Method and catalyst for producing olefins, in particular propylenes, by dehydrogenation  
Olefinically unsaturated hydrocarbons are prepared from corresponding paraffinic hydrocarbons, in particular propylene is prepared from propane, by dehydrogenation over a catalyst comprising an...
6576803 Catalysts for the oxidative dehydrogenation of hydrocarbons  
The present invention provides a catalyst for the oxidative dehydrogenation of a lower hydrocarbon to form at least one higher hydrocarbon and/or lower olefin. In one embodiment, the catalyst...
6555724 Hydrocarbon dehydrogenation catalyst and process  
A catalyst and a process employing such catalyst for the dehydrogenation of paraffinic hydrocarbons are disclosed, wherein the catalyst comprises a platinum group metal component, a zinc component...

Matches 1 - 50 out of 311 1 2 3 4 5 6 7 >