Patent application number | Description | Published |
20110147265 | Adsorbing Polynuclear Aromatics From a Reforming Process at Reaction Temperatures - One exemplary embodiment can be a process for removing one or more polynuclear aromatics from at least one reformate stream from a reforming zone. The PNAs may be removed using an adsorption zone. The adsorption zone can include first and second vessels. Generally, the process includes passing the at least a portion of an effluent of the reforming zone through the first vessel containing a first activated carbon. The adsorption zone is operated at a temperature of at least 370° C. | 06-23-2011 |
20110152589 | Adsorbing Polynuclear Aromatics From a Reforming Process Using Adsorbents Containing Iron - An exemplary embodiment can be a process for removing one or more polynuclear aromatics from at least one reformate stream from a reforming zone. The PNAs may be removed using an adsorption zone. The adsorption zone can include first and second vessels each vessel containing an activated carbon adsorbent. Generally, the process includes passing the at least a portion of an effluent of the reforming zone through the first vessel containing a first activated carbon adsorbent wherein the first activated carbon adsorbent comprises iron. | 06-23-2011 |
20120275974 | High Temperature Platformer - An apparatus for reforming a hydrocarbon stream is presented. The apparatus involves changing the design of reformers and associated equipment to allow for increasing the processing temperatures in the reformers and heaters. The reformers are operated under different conditions to utilize advantages in the equilibriums, but require modifications to prevent increasing thermal cracking and to prevent increases in coking. | 11-01-2012 |
20120277500 | High Temperature Platforming Process - A process for reforming a hydrocarbon stream is presented. The process involves increasing the processing temperatures in the reformers. The reformers are operated under different conditions to utilize advantages in the equilibriums, but require modifications to prevent increasing thermal cracking and to prevent increases in coking. The process utilizes a common catalyst, and common downstream processes for recovering the desired aromatic compounds generated. | 11-01-2012 |
20120277502 | PROCESS FOR INCREASING AROMATICS PRODUCTION - A process for reforming a hydrocarbon stream is presented. The process involves splitting a naphtha feedstream to at least two feedstreams and passing each feedstream to separation reformers. The reformers are operated under different conditions to utilize the differences in the reaction properties of the different hydrocarbon components. The process utilizes a common catalyst, and common downstream processes for recovering the desired aromatic compounds generated. | 11-01-2012 |
20120277503 | PROCESS FOR INCREASING AROMATICS PRODUCTION - A process for reforming a hydrocarbon stream is presented. The process involves splitting a naphtha feedstream to at least two feedstreams and passing each feedstream to separation reformers. The reformers are operated under different conditions to utilize the differences in the reaction properties of the different hydrocarbon components. The process utilizes a common catalyst, and common downstream processes for recovering the desired aromatic compounds generated. | 11-01-2012 |
20120277504 | PROCESS FOR INCREASING AROMATICS PRODUCTION - A process for reforming a hydrocarbon stream is presented. The process involves splitting a naphtha feedstream to at least two feedstreams and passing each feedstream to separation reformers. The reformers are operated under different conditions to utilize the differences in the reaction properties of the different hydrocarbon components. The process utilizes a common catalyst, and common downstream processes for recovering the desired aromatic compounds generated. | 11-01-2012 |
20120277505 | PROCESS FOR INCREASING BENZENE AND TOLUENE PRODUCTION - A process for reforming a hydrocarbon stream is presented. The process involves splitting a naphtha feedstream to at least two feedstreams and passing each feedstream to separation reformers. The reformers are operated under different conditions to utilize the differences in the reaction properties of the different hydrocarbon components. The process utilizes a common catalyst, and common downstream processes for recovering the desired aromatic compounds generated. | 11-01-2012 |
20120277506 | PROCESS FOR INCREASING BENZENE AND TOLUENE PRODUCTION - A process for reforming a hydrocarbon stream is presented. The process involves splitting a naphtha feedstream to at least two feedstreams and passing each feedstream to separation reformers. The reformers are operated under different conditions to utilize the differences in the reaction properties of the different hydrocarbon components. The process utilizes a common catalyst, and common downstream processes for recovering the desired aromatic compounds generated. | 11-01-2012 |
20120277507 | PROCESS FOR INCREASING BENZENE AND TOLUENE PRODUCTION - A process for reforming a hydrocarbon stream is presented. The process involves splitting a naphtha feedstream to at least two feedstreams and passing each feedstream to separation reformers. The reformers are operated under different conditions to utilize the differences in the reaction properties of the different hydrocarbon components. The process utilizes a common catalyst, and common downstream processes for recovering the desired aromatic compounds generated. | 11-01-2012 |
20120277508 | PROCESS FOR INCREASING AROMATICS PRODUCTION - A process for reforming a hydrocarbon stream is presented. The process involves splitting a naphtha feedstream to at least two feedstreams and passing each feedstream to separation reformers. The reformers are operated under different conditions to utilize the differences in the reaction properties of the different hydrocarbon components. The process utilizes a common catalyst, and common downstream processes for recovering the desired aromatic compounds generated. | 11-01-2012 |
20120277511 | High Temperature Platformer - A process for reforming a hydrocarbon stream is presented. The process involves increasing the processing temperatures in the reformers. The reformers are operated under different conditions to utilize advantages in the equilibriums, but require modifications to prevent increasing thermal cracking and to prevent increases in coking. The process utilizes a common catalyst, and common downstream processes for recovering the desired aromatic compounds generated. | 11-01-2012 |
20130158310 | INTEGRATED HYDROGENATION/DEHYDROGENATION REACTOR IN A CATALYTIC REFORMING PROCESS CONFIGURATION FOR IMPROVED AROMATICS PRODUCTION - A process for reforming hydrocarbons is presented. The process involves applying process controls over the reaction temperatures to preferentially convert a portion of the hydrocarbon stream to generate an intermediate stream, which will further react with reduced endothermicity. The intermediate stream is then processed at a higher temperature, where a second reforming reactor is operated under substantially isothermal conditions. | 06-20-2013 |
20130158311 | INTEGRATED HYDROGENATION/DEHYDROGENATION REACTOR IN A PLATFORMING PROCESS - A process for reforming a hydrocarbon stream is presented. The process involves splitting a naphtha feedstream to at least two feedstreams and partially processing each feedstream in separate reactors. The processing includes passing the light stream to a combination hydrogenation/dehydrogenation reactor. The process reduces the energy by reducing the endothermic properties of intermediate reformed process streams. | 06-20-2013 |
20130158312 | INTEGRATED HYDROGENATION/DEHYDROGENATION REACTOR IN A PLATFORMING PROCESS - A process for reforming a hydrocarbon stream is presented. The process involves splitting a naphtha feedstream to at least two feedstreams and partially processing each feedstream in separate reactors. The processing includes passing the light stream to a combination hydrogenation/dehydrogenation reactor. The process reduces the energy by reducing the endothermic properties of intermediate reformed process streams. | 06-20-2013 |
20130158313 | INTEGRATED HYDROGENATION/DEHYDROGENATION REACTOR IN A CATALYTIC REFORMING PROCESS CONFIGURATION FOR IMPROVED AROMATICS PRODUCTION - A process for reforming hydrocarbons is presented. The process involves applying process controls over the reaction temperatures to preferentially convert a portion of the hydrocarbon stream to generate an intermediate stream, which will further react with reduced endothermicity. The intermediate stream is then processed at a higher temperature, where a second reforming reactor is operated under substantially isothermal conditions. | 06-20-2013 |
20130158316 | INITIAL HYDROTREATING OF NAPHTHENES WITH SUBSEQUENT HIGH TEMPERATURE REFORMING - A process for the production of aromatics through the reforming of a hydrocarbon stream is presented. The process utilizes the differences in properties of components within the hydrocarbon stream to increase the energy efficiency. The differences in the reactions of different hydrocarbon components in the conversion to aromatics allows for different treatments of the different components to reduce the energy used in reforming process. | 06-20-2013 |
20130158317 | INITIAL HYDROTREATING OF NAPHTHENES WITH SUBSEQUENT HIGH TEMPERATURE REFORMING - A process for the production of aromatics through the reforming of a hydrocarbon stream is presented. The process utilizes the differences in properties of components within the hydrocarbon stream to increase the energy efficiency. The differences in the reactions of different hydrocarbon components in the conversion to aromatics allows for different treatments of the different components to reduce the energy used in reforming process. | 06-20-2013 |
20130158318 | CO-CURRENT CATALYST FLOW WITH FEED FOR FRACTIONATED FEED RECOMBINED AND SENT TO HIGH TEMPERATURE REFORMING REACTORS - A process is presented for the increasing the yields of aromatics from reforming a hydrocarbon feedstream. The process includes splitting a naphtha feedstream into a light hydrocarbon stream, and a heavier stream having a relatively rich concentration of naphthenes. The heavy stream is reformed to convert the naphthenes to aromatics and the resulting product stream is further reformed with the light hydrocarbon stream to increase the aromatics yields. The catalyst is passed through the reactors in a sequential manner. | 06-20-2013 |
20130158319 | COUNTER-CURRENT CATALYST FLOW WITH SPLIT FEED AND TWO REACTOR TRAIN PROCESSING - A process is presented for the increasing the yields of aromatics from reforming a hydrocarbon feedstream. The process includes splitting a naphtha feedstream into a light hydrocarbon stream, and a heavier stream having a relatively rich concentration of naphthenes. The heavy stream is reformed to convert the naphthenes to aromatics and the resulting product stream is further reformed with the light hydrocarbon stream to increase the aromatics yields. The process includes passing a catalyst stream in a counter-current flow relative to the hydrocarbon process stream. | 06-20-2013 |
20130158320 | INITIAL HYDROTREATING OF NAPHTHENES WITH SUBSEQUENT HIGH TEMPERATURE REFORMING - A process for the production of aromatics through the reforming of a hydrocarbon stream is presented. The process utilizes the differences in properties of components within the hydrocarbon stream to increase the energy efficiency. The differences in the reactions of different hydrocarbon components in the conversion to aromatics allows for different treatments of the different components to reduce the energy used in reforming process. | 06-20-2013 |
20130165719 | ENHANCED AROMATICS PRODUCTION BY LOW PRESSURE END POINT REDUCTION AND SELECTIVE HYDROGENATION AND HYDRODEALKYLATION - A reforming process includes an endpoint reduction zone for converting C | 06-27-2013 |
20140142357 | High Temperature CCR Process with Integrated Reactor Bypasses - A process is presented for increasing the aromatics content in a reformate process stream. The process modifies existing processes to change the operation without changing the reactors or heating units. The process includes bypasses to utilize heating capacity of upstream heating units, and passes the excess capacity of the upstream heating units to downstream process streams. | 05-22-2014 |
20140142358 | High Temperature Reforming Process for Integration into Existing Units - A process is presented for increasing the aromatics content in a reformate process stream. The process modifies existing processes to change the operation without changing the reactors or heating units. The process includes bypasses to utilize heating capacity of upstream heating units, and passes the excess capacity of the upstream heating units to downstream process streams. | 05-22-2014 |
20140187831 | PROCESS FOR INCREASING BENZENE AND TOLUENE PRODUCTION - A process for reforming a hydrocarbon stream is presented. The process involves splitting a naphtha feedstream to at least two feedstreams and passing each feedstream to separation reformers. The reformers are operated under different conditions to utilize the differences in the reaction properties of the different hydrocarbon components. The process utilizes a common catalyst, and common downstream processes for recovering the desired aromatic compounds generated. | 07-03-2014 |
20150073189 | HIGH TEMPERATURE CCR PROCESS WITH INTEGRATED REACTOR BYPASSES - A process is presented for increasing the aromatics content in a reformate process stream. The process modifies existing processes to change the operation without changing the reactors or heating units. The process includes bypasses to utilize heating capacity of upstream heating units, and passes the excess capacity of the upstream heating units to downstream process streams. | 03-12-2015 |