L'air Liquide, Soci&#xe9;t&#xe9; Anonyme Pour L'etude Et L'exploitation Des Proc&#xe9;d&#xe9;s Georges Claude

L'air Liquide, Societe Anonyme a Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude

Benoit Davidian

Christian Monereau

Arthur Darde

Jean-Pierre Tranier

Cyrille Paufique

Richard Dubettier-Grenier

Mathieu Leclerc

Youssef Joumani

Jocelyn Le Dirach

Alain Briglia

Serge Moreau

Patrick Le Bot

Marc Wagner

Antoine Hernandez

Bernard Saulnier

Pierre Bodelin

Patrice Cavagne

Frederic Crayssac

Xavier Traversac

Guillaume Cardon

Guillaume Teixeira

Bruno Alban

Francois De Bussy

Frederick Lockwood

Loïc Joly

Christophe Szamlewski

Fabrice Del Corso

Quentin Saniez

Mikael Wattiau

Frédéric Crayssac

Philippe Arpentinier

Matthias Linicus

Antony Correia Anacleto

Francois-Xavier Lemant

Sophie Deschodt

Marie Cognard

Petra Pechova

Alain Guillard

A heat exchanger for indirect heat exchange between a first and a second fluids to be cooled and at least a third fluid to be heated, made up of a plurality of passages, namely a first series of passages for the flow at least of the first and of the second fluids, a second series of passages for the flow of the third fluid to be placed in a heat exchange relationship with the first and second fluids, the exchanger comprising three sections, the second section being between the first and third sections and means for introducing the first fluid into only a portion of the passages of the first series in the second section.

Heat exchanger and separation apparatus comprising a heat exchanger

A plant for separating gases from the air comprises, in the direction of circulation of the stream of air: a compression means for compressing the stream of air to a pressure Pof between 1.15 bar abs and 2 bar abs, a TSA adsorption unit, and a cryogenic distillation unit, with the adsorption unit comprising at least two adsorbers Aand Aeach having a parallelepipedal casing arranged horizontally and comprising: an air stream inlet and outlet, two fixed bed adsorbent masses each likewise parallelepipedal with faces parallel to the faces of the casing, and a set of volumes allowing the stream of air to traverse the two adsorbent masses horizontally, in parallel, over the whole cross section of each of the adsorbent masses and throughout their thicknesses.

Plant and process for aerial gas separation using a parallelepipedal adsorber

An air gas separation plant comprising, in the direction of circulation of the air stream: a compression means that makes it possible to compress the air stream to a pressure Pof between 1.15 bar abs and 2 bar abs, an adsorption unit of TSA type, and a cryogenic distillation unit, with the adsorption unit comprising at least two adsorbers A and B each having a parallelepipedal casing arranged horizontally and comprising: an air stream inlet and an air stream outlet, a fixed bed adsorbent mass, likewise of parallelepipedal shape, the faces of which are parallel to the faces of the casing; and a set of volumes allowing the air stream to pass through the adsorbent mass horizontally, over the entire cross-section and throughout the entire thickness thereof.

System and method for separating air gases at low pressure

Certain embodiments of the invention relate to a method and facility for purifying a high-flow gas stream by absorption, the purification facility comprising at least one absorber having a parallelepipedal enclosure arranged horizontally and comprising: a gas stream inlet and outlet, two fixed-bed absorbent masses each having a likewise parallelepipedal shape, the surfaces of which are parallel to the surfaces of the enclosure, and a set of volumes allowing the traversing of the two absorbent masses by the gas streams, in parallel but opposite directions, the traversing occurring horizontally over the entire cross-section of each of the absorbent masses and over their entire thicknesses.

Method and facility for purifying a high-flow gas stream

In a process for separating a mixture containing carbon monoxide, hydrogen and carbon dioxide, the mixture cooled in a heat exchanger is contacted by a stream of liquid methanol at a temperature below −40° C. to produce carbon dioxide enriched methanol and a carbon dioxide depleted gas relative to the cooled mixture, the carbon dioxide depleted gas is cooled in the heat exchanger and is sent to a separation unit to produce a carbon monoxide enriched stream and a hydrogen enriched stream and the streams enriched in carbon monoxide and hydrogen are heated in the heat exchanger by exchanging heat with the mixture.

Method and apparatus for separating a synthesis gas by cryogenic distillation

An apparatus for analyzing the content of at least one contaminant in a liquid cryogen comprising a cylindrical enclosure, an annular enclosure arranged around the cylindrical enclosure, means for dividing a flow of liquid cryogen in two, means for delivering a first part of the liquid cryogen to the cylindrical enclosure, means for delivering a second part of the liquid cryogen to the annular enclosure, a pipe connected to the cylindrical enclosure to allow vaporized liquid to pass through, a pipe connected to the annular enclosure to allow vaporized liquid to pass through, a heater for heating the cylindrical enclosure vessel and means for stopping the delivery of liquid cryogen to the cylindrical enclosure.

Apparatus for treating liquid to be analyzed

The invention relates to a method for separating air by cryogenic distillation in a column system, comprising a first column operating at a first pressure and a second column operating at a second pressure, in which an argon-enriched flow is sent from an intermediate point of the first column to the tank of the second column and an argon-rich flow is drawn off at the top of the second column, wherein a nitrogen-enriched flow of the first column is compressed in a compressor, the compressed flow is sent to a head condenser of the second column after an expansion step and the vaporized flow is expanded in the condenser in a turbine where it at least partially liquefies.

Method and apparatus for separating air by cryogenic distillation

Gas/liquid separation column, containing a device for dispensing a liquid, intended for a gas/liquid separation column, comprising: a plate, in which several orifices are arranged, through which the liquid is able to leave the dispensing device; a plurality of stacks extending from the plate, each stack being configured to be followed by the gas; a plurality of plugging means respectively arranged at one end of one of the stacks, each plugging means having a gutter shape allowing a first portion of the liquid to be collected; a plurality of troughs for directly collecting a second portion of the liquid, at least one part of the orifices being distributed in the base of said troughs, each plugging means comprising a first open longitudinal end and a second closed longitudinal end.

Gas/liquid separation column containing a dispensing device

A stackable modular element comprises a parallelepipedal caisson, the caisson comprising at least one layer of thermal insulation of thickness less than one-third of the width of the caisson, the layer of insulation covering at least the lateral and frontal faces of the caisson and surrounding at least one chamber having a parallelepipedal volume within the caisson, the chamber containing at least one body of material that permits the exchange of mass and/or of heat, the body being parallelepipedal in shape and filling at least part of the chamber, the chamber having an opening on the upper face and/or an opening on the lower face to allow fluid to be transferred to the body from outside the element and/or from the body to outside the element.

Element for construction of a mass- and/or heat-exchange device, assembly of two elements and exchange method using an assembly

A process comprises a first set of distillation columns and a second set of distillation columns, a low-pressure column of the first set being connected to a column operating at higher pressure of the second set by means of a gas arriving from the top of the column operating at a higher pressure and/or by means of a fluid arriving from the low-pressure column.

Process and apparatus for separating air by cryogenic distillation

A process for compressing a gaseous fluid comprising a step (a) of injecting refrigerant during which a refrigerant substance is sprayed into the gaseous fluid to be compressed, and also a compression step (b), during which the passage of said gaseous fluid loaded with refrigerant substance is forced through said compressor in order to compress said gaseous fluid, the mass flow rate (Q3) of the refrigerant substance injected into the gaseous fluid represents between 1% and 5% of the mass flow rate of the gaseous fluid to be compressed, and the refrigerant substance is sprayed in the form of particles having a maximum dimension of less than or equal to 25 pm, and preferably less than or equal to 10 pm.

Gas compression process with introduction of excess refrigerant at compressor inlet

A method for generating electricity by means of a nuclear power plant and a liquid vaporization apparatus involves producing heat energy by means of the nuclear power plant and using the heat energy to vaporize water or to heat water vapor, expanding the water vapor formed in a first turbine and using the first turbine to drive an electricity generator in order to produce electricity, vaporizing liquefied gas coming from a cryogenic storage in order to produce a pressurized gas, reheating the pressurized gas with a part of the water vapor intended for the first turbine of the power plant and expanding the pressurized fluid in a second turbine to produce electricity.

Method and apparatus for generating electricity using a nuclear power plant

A method for generating electricity by means of a thermal power plant and a liquid vaporization apparatus involves producing heat energy by means of the power plant and using the heat energy to vaporize water or to heat water vapor, expanding the water vapor formed in a first turbine and using the first turbine to drive an electricity generator in order to produce electricity, vaporizing liquefied gas coming from a cryogenic storage in order to produce pressurized gas, reheating the pressurized gas with a part of the water vapor intended for the first turbine of the power plant and expanding the pressurized fluid in a second turbine to produce electricity.

Method and apparatus for generating electricity using a thermal power plant

The invention relates to a method for separating air by cryogenic distillation in a set of columns including a first column operating at a first pressure, a second column operating at a second pressure which is lower than the first pressure, and a third column operating at a third pressure, which is lower than the second pressure, wherein the third column includes first and second evaporator-condensers, and nitrogen from a cold compressor is sent to one of the evaporator-condensers.

Method and device for separating air by cryogenic distillation

In a purification method, a carbon dioxide-rich gas is cooled in a first brazed aluminum plate-fin heat exchanger, the cooled gas or at least one fluid derived from the cooled gas is sent to a purification step comprising a distillation step, the purification step produces a carbon dioxide-rich liquid which is cooled, then expanded, then sent to a second heat exchanger where it is heated by means of a fluid of the method, the exchanger carrying out an indirect heat exchange only between the carbon dioxide-rich liquid and the fluid of the method, the carbon dioxide-rich liquid at least partially vaporizes in the second exchanger and the vaporized gas formed heats up again in the first exchanger to form a carbon dioxide-rich gas.

Growing community of inventors

Saint Maur des Fosses, France

Benoit Davidian