Patent application number | Description | Published |
20090101346 | In situ recovery from a hydrocarbon containing formation - An oil shale formation may be treated using an in situ thermal process. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. Heat input into the formation may be controlled to raise the temperature of portion at a selected rate during pyrolysis of hydrocarbons within the formation. A mixture of hydrocarbons, H | 04-23-2009 |
20090156870 | PROCESS FOR THE CONVERSION OF ETHANE TO MIXED LOWER ALKANES TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises a) contacting ethane or mixed lower alkanes with an aromatic hydrocarbon conversion catalyst to produce reaction products including benzene, b) separating methane, hydrogen, and C | 06-18-2009 |
20090209794 | PROCESS FOR THE CONVERSION OF ETHANE TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting ethane with a dehyroaromatization aromatic catalyst which is comprised of about 0.005 to about 0.1 wt % platinum, an amount of gallium which is equal to or greater than the amount of the platinum, from about 10 to about 99.9 wt % of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 08-20-2009 |
20090209795 | PROCESS FOR THE CONVERSION OF ETHANE TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting ethane with a dehyroaromatization aromatic catalyst which is comprised of about 0.005 to about 0.1 % wt platinum, an amount of an attenuating metal which is no more than about 0.02 % wt less than the amount of platinum, from about 10 to about 99.9 % wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 08-20-2009 |
20100048967 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO ETHYLENE AND AROMATIC HYDROCARBONS - The present invention provides an integrated process for producing ethylene and aromatic hydrocarbons, specifically benzene, which comprises: (a) introducing a mixed lower alkane feed into a cracker to produce a product mixture which is comprised of ethylene and C | 02-25-2010 |
20100048968 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS AND ETHYLENE - The present invention provides an integrated process for producing ethylene and aromatic hydrocarbons, specifically benzene, which comprises: (a) contacting a mixed lower alkane feed with an aromatic hydrocarbon conversion catalyst to produce a product mixture which is comprised of aromatic reaction products including benzene, unreacted ethane and non-aromatic products, (b) separating and recovering the benzene and any other aromatic reaction products, (c) separating and recovering the ethane, and (d) introducing the ethane into a cracker to produce ethylene. | 02-25-2010 |
20100048969 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting one or more lower alkanes with a dehydroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, not more than 0.2% wt of an amount of an attenuating metal wherein the amount of platinum is not more than about 0.02% wt more than the amount of the attenuating metal, from about 10 to about 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 02-25-2010 |
20110021853 | PROCESS FOR THE CONVERSION OF ETHANE TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting ethane with a dehyroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, an amount of iron which is equal to or greater than the amount of the platinum, from 10 to 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 01-27-2011 |
20110251444 | PROCESS FOR THE PRODUCTION OF GASOLINE BLENDING COMPONENTS AND AROMATIC HYDROCARBONS FROM LOWER ALKANES - An integrated process for producing gasoline blending components and aromatic hydrocarbons which comprises: (a) contacting a lower alkane feed with an aromatic hydrocarbon conversion catalyst to produce an aromatic reaction product mixture which is comprised of benzene and/or toluene and/or xylene, C | 10-13-2011 |
20110301394 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS - A process is provided for producing aromatic hydrocarbons which comprises: (a) contacting a lower alkane feed with a solid particulate aromatic hydrocarbon conversion catalyst in a fixed bed reaction zone to produce aromatic hydrocarbons and other products, whereby the catalyst is at least partially deactivated by the formation of undesirable coke deposits, (b) periodically regenerating the catalyst under regeneration conditions, (c) separating aromatic hydrocarbons from the other products and unreacted lower alkanes, and (d) optionally recycling unreacted lower alkanes to the reaction zone wherein the fixed bed reaction zone additionally comprises a volume of a catalytically inactive solid. | 12-08-2011 |
20120029256 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS - A process is provided for producing aromatic hydrocarbons which comprises: (a) contacting a lower alkane feed with a solid particulate aromatic hydrocarbon conversion catalyst in a fluidized bed reaction zone to produce aromatic hydrocarbons and other products, whereby the catalyst is at least partly deactivated by the formation of undesirable coke deposits, (b) continuously withdrawing a portion of the catalyst from the reaction zone, regenerating it in a regeneration zone and returning regenerated catalyst to the reaction zone, (c) maintaining the heat balance between the reaction zone and the regeneration zone by diluting the catalyst particles with particles of a catalytically inactive solid with about the same or improved specific heat and thermal conductivity relative to the catalyst, (d) separating aromatic hydrocarbons from the other products and unreacted lower alkanes, and (e) optionally recycling unreacted lower alkanes to the reaction zone. | 02-02-2012 |
20120240467 | PROCESS FOR THE CONVERSION OF MIXED LOWER ALKANES TO AROMATIC HYDROCARBONS - A process for the conversion of mixed lower alkanes into aromatics which comprises first reacting a mixed lower alkane feed comprising at least propane and ethane in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of propane into first stage aromatic reaction products, separating ethane from the first stage aromatic reaction products, reacting ethane in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of ethane into second stage aromatic reaction products, and optionally separating ethane from the second stage aromatic reaction products. | 09-27-2012 |
20120277089 | PROCESS FOR THE REGENERATION OF HYDROCARBON CONVERSION CATALYSTS - The present invention provides a process for hydrocarbon conversion, especially for producing aromatic hydrocarbons, which comprises: (a) alternately contacting a hydrocarbon feed, especially a lower alkane feed, with a hydrocarbon conversion catalyst, especially an aromatization catalyst, under hydrocarbon conversion, especially aromatization reaction conditions, in a reactor for a short period of time, preferably 30 minutes or less, to produce reaction products and then contacting the catalyst with hydrogen-containing gas at elevated temperature for a short period of time, preferably 10 minutes or less, (b) repeating the cycle of step (a) at least one time, (c) regenerating the catalyst by contacting it with an oxygen-containing gas at elevated temperature and (d) repeating steps (a) through (c) at least one time. | 11-01-2012 |
20130131414 | PROCESS FOR THE CONVERSION OF PROPANE AND BUTANE TO AROMATIC HYDROCARBONS - A process for the conversion of propane and/or butane into aromatics which comprises first reacting a propane and/or butane feed in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of propane and/or butane into first stage aromatic reaction products, separating ethane produced in the first stage reaction from the first stage aromatic reaction products, reacting ethane in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of ethane into second stage aromatic reaction products, and optionally separating ethane from the second stage aromatic reaction products. | 05-23-2013 |
20130338415 | PROCESS FOR THE CONVERSION OF MIXED LOWER ALKANES TO AROMATIC HYDROCARBONS - A process comprising: contacting a lower alkane feed comprising propane and ethane with an aromatization catalyst in a first stage under first stage reaction conditions to produce a first stage product stream comprising ethane and aromatics; separating the aromatics from the first stage product stream to form an aromatics product stream and a second stage feed; and contacting the second stage feed with an aromatization catalyst in a second stage under second stage reaction conditions to produce a second stage product stream comprising ethane and aromatics wherein the amount ethane in the first stage product stream is equal to from 80 to 300% of the amount of ethane in the lower alkane feed and the amount of ethane in the second stage product stream is 500 equal to at most 80% of the amount of ethane in the second stage feed is described. | 12-19-2013 |
20140155258 | PROCESS FOR THE CONVERSION OF ETHANE TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting ethane with a dehydroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, an amount of iron which is equal to or greater than the amount of the platinum, from 10 to 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 06-05-2014 |
20140256536 | PROCESS FOR THE CONVERSION OF ETHANE TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting ethane with a dehyroaromatization aromatic catalyst which is comprised of about 0.005 to about 0.1 wt % platinum, an amount of gallium which is equal to or greater than the amount of the platinum, from about 10 to about 99.9 wt % of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 09-11-2014 |
20140309469 | PROCESS FOR THE PRODUCTION OF GASOLINE BLENDING COMPONENTS AND AROMATIC HYDROCARBONS FROM LOWER ALKANES - An integrated process for producing gasoline blending components and aromatic hydrocarbons which comprises: (a) contacting a lower alkane feed with an aromatic hydrocarbon conversion catalyst to produce an aromatic reaction product mixture which is comprised of benzene and/or toluene and/or xylene, C | 10-16-2014 |
20140315710 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting one or more lower alkanes with a dehyroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, not more than 0.2% wt of an amount of an attenuating metal wherein the amount of platinum is not more than about 0.02% wt more than the amount of the attenuating metal, from about 10 to about 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 10-23-2014 |