Patent application number | Description | Published |
20100212274 | GAS-SOLIDS SEPARATOR - Gas-solids separator comprises a tubular housing, an inlet for introducing a gas-solids mixture at one end of said housing, which inlet is executed such that it imparts a swirl to the gas-solids mixture, a solids outlet opening at the opposite end of said housing, and a co-axially positioned tubular gas outlet conduit placed at an end of said housing, which separator further comprises a vortex stabiliser, comprising a pin placed on a stabilising plate, in which separator the pin runs along the axis of the tubular housing and in which a passageway is provided through the stabiliser plate and the pin. | 08-26-2010 |
20110297584 | SYSTEMS AND METHODS FOR PROCESSING A CATALYST REGENERATOR FLUE GAS - A system comprising a reactor comprising a hydrocarbon feedstock and a regenerated catalyst under catalytic cracking conditions to yield a cracked reactor product and a spent catalyst, the spent catalyst comprising a hydrocarbon layer; a regenerator comprising a spent catalyst feedstock and an oxygen containing gas feedstock to burn at least a portion of the hydrocarbon layer to regenerate the spent catalyst, the regenerator output comprising a first conduit comprising a regenerated catalyst, and a second conduit comprising a flue gas, the first and second conduits fluidly connected to the reactor; the second conduit fluidly connected to a heated oxygen containing gas source; and a mixing chamber fluidly connected to the second conduit comprising the flue gas. | 12-08-2011 |
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 |
20130001131 | DUAL RISER CATALYTIC CRACKING PROCESS FOR MAKING MIDDLE DISTILLATE AND LOWER OLEFINS - A dual riser catalytic cracking process for preferentially making middle distillate and lower olefins. The system and process provide for the processing of multiple hydrocarbon feedstocks so as to selectively produce middle distillate boiling range product and lower olefins. The system and process uses two riser reactors, a single vessel for separating the cracked product and cracking catalyst received from both riser reactors, and a regenerator for regenerating coked or spent cracking catalyst. | 01-03-2013 |
20130167430 | PROCESS FOR CONVERTING A SOLID BIOMASS MATERIAL - A process for converting a solid biomass material comprising (a) mixing the solid biomass material with a fluid to form a fluidized biomass stream; and (b) propagating the fluidized biomass stream into the riser reactor via one or more delivery aperture(s); wherein the solid biomass material has a particle size distribution with a mean particle size diameter, and wherein the delivery aperture has a diameter equal to or more than three times the mean particle size diameter of the particle size distribution of the solid biomass material. | 07-04-2013 |
20130178672 | PROCESS FOR MAKING A DISTILLATE PRODUCT AND/OR C2-C4 OLEFINS - A process for making a distillate product and one or more C2-C4 olefins from a FCC feedstock containing a cellulosic material and a hydrocarbon co-feed is provided. | 07-11-2013 |
20140145356 | FEED NOZZLE ASSEMBLY - A feed nozzle assembly for co-currently introducing gas and liquid into a reactor vessel which feed nozzle assembly comprises (a) an inner tube defining a gas conduit and an outer tube arranged around the inner tube, wherein the outer surface of the inner tube and the inner surface of the outer tube define an annular liquid conduit, and wherein each of the tubes have an inlet end and an opposite outlet end; (b) a first nozzle attached to the outlet end of the inner tube; (c) a second nozzle attached to the outlet end of the outer tube and arranged downstream of the first nozzle, wherein the inner tube contains purging orifices. | 05-29-2014 |
20140148631 | PROCESS FOR PREPARING ETHYLENE AND/OR PROPYLENE - The present invention provides a process for preparing ethylene and/or propylene, wherein an oxygenate feedstock is contacted with a zeolite-comprising catalyst at a temperature in the range of from 500 to 700° C. to obtain a reactor effluent comprising ethylene and/or propylene and the oxygenate feedstock is contacted with the catalyst in a riser reactor having a reactor wall defining a flow trajectory towards a downstream outlet for reactor effluent, wherein at least oxygenate feedstock and catalyst are provided at one or more upstream inlets of the riser reactor and wherein C5 olefins are admitted to the riser reactor at one or more of locations along the length of the flow trajectory. The invention further provides a reaction system suitable for preparing ethylene and propylene. | 05-29-2014 |