Ifp Energies Nouvelles

Axens

Cecile Plais

Frederic Bazer-Bachi

Frederic Augier

Philippe Beard

Yacine Haroun

Jauffray Salvatore Delteil

Eric Sanchez

Wilfried Weiss

Jerome Bonnardot

Fabian Lambert

Xavier Decoodt

Elena Sanz

Nicolas Pupat

Willi Nastoll

Aude Royon-Lebeaud

Jean-Marc Rousseaux

Mehrdji Hemati

Guillaume Vinay

Paris Packeu

Ludovic Noel

Younes Aiddouch

Frederic Bazer-bachi

Aude Royon-lebeaud

Raymond Roumieu

Christian Cloue

Jauffray Delteil

Fluid mixing and distribution device for a downflow catalytic reactor, the said device comprising a mixing zone comprising at least one fluid-mixing space of length L' and a fluid-exchange space of length L&#x2032;, situated underneath and superposed with said mixing space, it being understood that the length L&#x2032; of the said exchange space is strictly greater than the length L&#x2032; of the said mixing space so as to create a roof at the level of the said exchange space, the said roof comprising at least one longitudinal opening suited to the passage of the following its from the said exchange space to the said distribution zone.

Mixing and distribution device with longitudinal opening

The present invention concerns a device for filtration and distribution of a gaseous phase and a liquid phase, which can be disposed upstream of a fixed catalytic bed of a reactor operating with a descending co-current of gas and liquid, comprising: Each basket is provided support means cooperating with a riser of the plate in order to support the basket.

Filtering and distribution device for catalytic reactor

Catalytic reactor () with radial flow of a hydrocarbon feedstock to be treated comprising:

Low-capacity compartmentalized reactor

The present invention relates to a removable basket for a catalytic reactor comprising a horizontal base () and a plurality of vertical side walls () and/or at least one ellipsoidal side wall, and a plurality of vertical chimneys () that are open at their lower () and upper () ends, each chimney comprising a lower part () comprising the lower end fastened to the base and extending between the side walls, in which a first chimney comprises an upper part () extending above the side walls, and the upper part of the first chimney is suitable for being inserted into a lower part of a chimney of another removable basket. The present invention also relates to a filtration and distribution device comprising said removable basket, a reactor comprising said device, and a hydrotreating and/or hydrocracking process using said reactor.

Removable basket for catalytic reactor

A device for mixing fluids for a downflow catalytic reactor (), having

Compact device for mixing fluids

Device for mixing and distributing fluids for a downflow catalytic reactor, comprising:

Mixing device situated above the distribution zone

This invention describes a moving-bed catalyst reactor having radial flow of the feedstock called moving-bed radial reactor, consisting of 3 zones called upper hemispheric body (III), lateral zone (II), and lower hemispheric body (I), the three zones being connected together by means of flanges.

Reduced-capacity moving-bed reactor with radial flow of the feedstock

The invention concerns a collector assembly () for a gaseous fluid suitable for being disposed in a reaction section with a moving bed of catalyst of a radial reactor. The collector assembly comprises a vertical cylindrical screen (), permeable to gas and impermeable to particles of catalyst, and a vertical cylindrical tube () which is supported by this screen () and disposed in a concentric manner with respect to the screen. The tube () comprises one or more zones () which are permeable to gaseous fluid, comprising a plurality of through holes and a plurality of zones () with a reduced permeability to gaseous fluid compared with the permeable zone. Each zone with a reduced permeability has a porosity, defined as the ratio between total permeable surface area of the zone and total developed surface area of this zone, in the range 0 to 0.005.

Collector assembly for a gaseous fluid for a radial reactor

The invention comprises at least one gas compressor, at least one compressed gas storage, at least one expander for expanding the compressed gas for generating energy, and at least one heat storage, wherein the heat storage comprises a staged arrangement at least two fixed beds of heat storage particles and at least one discontinuity in a thermal gradient located between two adjacent beds.

Compressed gas energy storage and restitution system and method

A fluid mixing and distribution device for a catalytic downflow reactor, said device comprising a collection zone (A), a mixing zone (B) comprising a mixing chamber () for fluids and an exchange chamber () for fluids, a distribution zone (C), said exchange chamber () comprising at least one upper lateral cross-section of flow () and at least one lower lateral cross-section of flow () through which fluids can pass from said exchange chamber () to said distribution zone (C), characterized in that said exchange chamber () comprises a fluid deflection means () fixed to said exchange chamber () and located downstream of the upper lateral cross-section of flow (), said fluid deflection means () forming with said exchange chamber () a space () in the shape of a pan.

Mixing and distribution device with mixing and exchange zones and deflectors

Device for the mixing and distribution of fluids for a catalytic reactor with a downward flow, said device comprising a collection zone (A), a mixing zone (B) and a distribution zone (C) comprising a distribution plate () comprising at least one first zone (C) supporting a plurality of chimneys () and a second zone (C); said mixing zone (B) is comprised in an annular enclosure () situated in the distribution zone (C), said mixing (B) and distribution (C) zones being delimited by at least one annular wall () comprising at least one lateral passage section (,) suitable for the passage of the fluids from said mixing zone (B) to the first zone (C) of said distribution zone (C), and the second zone (C) comprises a plurality of openings () suitable for the partial passage of the fluids out of the distribution zone (C).

Mixing and distribution device comprising a distribution plate with peripheral openings

The invention is a distributor tray () of a column for heating and/or material exchanging material between a gas and a liquid, comprising gas passage casings (), liquid passages () and a secondary distribution system () projecting from the lower part of tray (). Secondary distribution system () allows the liquid to be collected and distributed more homogeneously over the contactor. The invention also relates to a gas/fluid heat or material exchange column comprising such a distributor tray.

Distributor tray for gas/liquid contact column with secondary distribution system

Device for the mixing and distribution of fluids for a catalytic reactor with a downward flow, said device comprising at least one collection zone (A), at least one mixing zone (B) comprising at least one enclosure () for the mixing of the fluids, at least one distribution zone (C), characterized in that said mixing zone (B) is situated at the same level as the distribution zone (C) and also comprises at least one enclosure () for the exchange of the fluids, connected to, and communicating with, said mixing enclosure (), said exchange enclosure () comprising at least one lateral passage section () suitable for the passage of the fluids from said exchange enclosure () to said distribution zone (C).

Mixing and distribution device with mixing and exchange zones

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.

Growing community of inventors

les Haies, France

Cecile Plais