Patent application number | Description | Published |
20110049013 | DEVICE FOR DISTRIBUTING FEED AND RECOVERING EFFLUENTS IN A RADIAL BED CATALYTIC REACTOR - A radial bed catalytic conversion unit having an outer cylindrical chamber ( | 03-03-2011 |
20110275870 | REMOVABLE BASKETS CONTAINING FILTRATION PARTICLES FOR FIXED BED REACTORS - A filtration device placed upstream of a catalytic bed of a reactor functioning in downflow or upflow mode consists of a plurality of baskets containing filtration particles with a principal dimension (dp), said baskets being supported by a base plate fixed to the walls of the reactor, termed the filtration plate, the assembly of baskets covering at least the central portion of the section of the reactor, and forming a filtration bed with height Hp. Application of said filtration device to processes for hydrotreatment, selective hydrogenation or conversion of residues or hydrocarbon cuts with a boiling point higher than 120° C., preferably higher than 250° C. | 11-10-2011 |
20120065441 | DEVICE FOR DISTRIBUTING A POLYPHASE MIXTURE COMPRISING A JET BREAKER TRAY PERFORATED WITH DIFFERENT TYPES OF HOLES - The present invention concerns a device for distributing a polyphase mixture constituted by at least one gas phase and at least one liquid phase, said mixture being in downflow mode passing through at least one bed of solid particles, and said device comprising at least one tray ( | 03-15-2012 |
20120116136 | DEVICE FOR DISTRIBUTING A POLYPHASE MIXTURE COMPRISING A JET BREAKER TRAY WITH A SEPARATING ELEMENT - The present invention concerns a device for distributing a polyphase mixture constituted by at least one gas phase and at least one liquid phase, said mixture being in downflow mode passing through at least one bed of solid particles, and said device comprising at least one tray ( | 05-10-2012 |
20140027351 | PROCESS FOR HYDROTREATING HEAVY HYDROCARBON FEEDS WITH SWITCHABLE REACTORS INCLUDING AT LEAST ONE STEP OF PROGRESSIVE SWITCHING - Process for hydrotreating a heavy hydrocarbon fraction using a system of switchable fixed bed guard zones each containing at least one catalyst bed including at least one step during which the flow of feed supplied to the first guard zone brought into contact with the feed is partly displaced to the next guard zone downstream, preferably progressively. | 01-30-2014 |
20140094634 | DEVICE FOR DISTRIBUTING FEED AND RECOVERING EFFLUENS IN A RADIAL BED CATALYTIC REACTOR - The invention describes a radial bed catalytic conversion unit having an outer cylindrical chamber ( | 04-03-2014 |
Patent application number | Description | Published |
20130072376 | NOVEL CATALYST REGENERATION ZONE DIVIDED INTO SECTORS FOR REGENERATIVE CATALYTIC UNITS - The present invention describes a combustion zone for a regenerative catalytic unit for the continuous regeneration of catalyst, said combustion zone having an annular shape and being divided into at least two combustion stages, each stage being divided into a number N of radial sectors, which are substantially equal, the catalyst flowing under gravity from one sector of the first combustion stage to the sector located in vertical alignment with the second combustion stage by means of drop legs, and the movement of the combustion gas being such that the combustion gas passes in succession through all of the sectors of the first combustion stage in any order, then all of the sectors of the second stage in any order. | 03-21-2013 |
20130092601 | DISTRIBUTOR PLATE FOR THE DISTRIBUTION OF A POLYPHASE MIXTURE WITH PERIPHERY-TRUNCATED SHAFTS - This invention relates to a plate that allows the distribution of a polyphase mixture in a reactor that operates in the trickle mode and that consists of at least one gaseous phase and at least one liquid phase, with the plate ( | 04-18-2013 |
20130165711 | PROCESS FOR SELECTIVE HYDROGENATION OF OLEFINIC FEEDSTOCKS WITH SWITCHABLE REACTORS INCLUDING AT LEAST ONE STAGE FOR SHORT-CIRCUITING A REACTOR - This invention has as its object a process for selective hydrogenation of an unsaturated olefinic feedstock that comprises 3 or 4 carbon atoms, using at least two switchable fixed-bed reactors, each containing at least one catalytic bed and in which said feedstock successively passes through all of the reactors, and in which, each time that one of the reactors is deactivated, the point of introduction of the feedstock is moved downstream. | 06-27-2013 |
20130220886 | CATALYTIC REACTOR WITH BOX DISTRIBUTION SYSTEM - The catalytic reactor consists of a chamber | 08-29-2013 |
20140001089 | METHOD FOR HYDROTREATING HEAVY HYDROCARBON FEEDSTOCKS USING PERMUTABLE REACTORS, INCLUDING AT LEAST ONE STEP OF SHORT-CIRCUITING A CATALYST BED | 01-02-2014 |
20140008270 | Reactor for Continuous Regeneration of Catalyst with a Central Gas-Mixing Box - The reactor | 01-09-2014 |
20140027348 | CONTINUOUS CATALYST REGENERATION REACTOR WITH A CHAMBER FOR MIXING GAS AND DISTRIBUTING GAS IN THE OXYCHLORINATION ZONE - A reactor for regenerating catalyst grains comprises a vessel having an oxychlorination zone superimposed over a calcining zone having a line for introducing gas. A chamber, disposed between oxychlorination and calcining zones, comprises an internal space located between two plates which are gas tight and impervious to catalyst grains. A plurality of tubes pass through the chamber to allow catalyst to pass from oxychlorination zone to calcining zone. A plurality of means pass through the chamber to allow calcining gas to pass from calcining zone to oxychlorination zone. At least one oxychlorination gas injection line opens into the internal space of the chamber. Each means for passage of calcining gas comprises at least one orifice communicating with the chamber internal space, and a means for evacuating gas which is permeable to gas and impermeable to catalyst grains. | 01-30-2014 |
20140083908 | CONTINUOUS CATALYST REGENERATION REACTOR WITH DEFLECTOR MEANS FOR DEFLECTING THE FLOW OF CATALYST IN THE OXYCHLORINATION ZONE - The reactor | 03-27-2014 |
20140097125 | FILTERING DISTRIBUTOR PLATE FOR SUPPLYING A FIXED BED REACTOR HAVING A CO-CURRENT DOWNFLOW OF GAS AND LIQUID FOR THE TREATMENT OF HEAVY CLOGGING FEEDS - The present invention describes a distributor plate adapted to co-current downflow flows of gas and of liquid, more particularly in the “trickle” mode, said distributor plate integrating a filtration function separate from the distribution function. | 04-10-2014 |
20140231309 | DISTRIBUTION TRAY FOR DISTRIBUTING A POLYPHASIC MIXTURE WITH INCLINED PERIPHERAL CONDUITS - The present invention concerns a plate for distributing a polyphase mixture in a reactor operating in trickle bed mode constituted by at least one gas phase and at least one liquid phase, the plate ( | 08-21-2014 |
20140364650 | DISTRIBUTOR PLATE FOR A GAS-LIQUID MIXTURE, PROVIDED WITH DISTRIBUTION ELEMENTS HAVING LOW SENSITIVITY TO A LACK OF HORIZONTALITY - The present invention describes a distributor plate provided with distribution elements having low sensitivity to a lack of horizontality, a distribution element being constituted by two substantially co-axial cylinders termed the inner cylinder ( | 12-11-2014 |