Abstract: Certain embodiments of the invention relate to a facility for refrigerating hydrogen to cryogenic temperatures, and in particular for liquefying hydrogen, comprising a circuit for hydrogen to be refrigerated comprising an upstream end to be connected to a hydrogen source, and a downstream end connected to a refrigerated hydrogen collection member, the refrigeration facility comprising a set of one or more heat exchangers in thermal exchange with the circuit of hydrogen to be refrigerated, the facility comprising a device for refrigerating by heat exchange with the set of one or more heat exchangers, the refrigerating device comprising a refrigerator with a refrigeration cycle of a cycle gas such as hydrogen, at least one portion of the hydrogen circuit, of the set of one or more exchangers and of the refrigerating device being housed in a vacuum-insulated cold box, the facility comprising in the cold box, at least one ejector the suction inlet of which is connected to the gas phase of a fluid capacity and the

Abstract: The present invention relates to an insertion device for inserting at least one packing section for a gas/liquid separation column into a cylindrical casing, comprising a base provided with retaining means which are configured to grip a packing section and which are arranged uniformly around a main axis, characterized in that the insertion device comprises at least two fastening means secured to the base, said fastening means being configured to fasten the insertion device to the casing. The invention also covers an insertion system for inserting at least one packing section into a cylindrical casing, comprising such an insertion device, and a method for inserting at least one packing section into a cylindrical casing that is implemented by such an insertion system.

Abstract: The present invention relates to a device for inserting at least one packing section into a cylindrical shell, comprising a base provided with gripping means configured to grip hold of a packing section and arranged at regular intervals around a main axis, wherein the insertion device comprises at least two telescopic devices secured to the base and at least one pushing means secured to one end of each of the two telescopic devices, the telescopic devices being configured to extend and cause the pushing means to move.

Abstract: The present invention relates to an insertion device for inserting at least one section of packing for a gas/liquid separation column into a cylindrical casing, characterized in that a deployment module comprises a main member centred about a main axis of the insertion device, and a plurality of peripheral members arranged circumferentially and uniformly around the main axis, each of the peripheral members comprising an attachment means configured to grasp hold of a packing section, the deployment module comprising a plurality of branches arranged as pairs of branches connecting the main member to one of the peripheral members, the deployment module being able to modify the dimension of the insertion device by modifying a radial distance between the main member and each of the peripheral members.

Abstract: The present invention concerns a gripping device for gripping a packing section, having a support forming a chassis and retaining means connected to this support and distributed angularly so as to surround the packing section that is to be gripped, characterized in that at least one of the retaining means has movable shoes respectively intended to be in contact with a peripheral edge of the packing section and a plurality of platforms disposed in at least two stages, each platform bearing articulation means able to interact with a platform of a different stage or one of the movable shoes.

Abstract: The invention relates to a process and a plant for staged separation of concomitants from a raw synthesis gas stream to produce synthesis gas and a sulfur-free naphtha product as a by-product, To remove naphtha compounds and sulfur-containing concomitants, raw synthesis gas is treated with a scrubbing medium in a prescrubbing stage and withdrawn from the prescrubbing stage, and the laden scrubbing medium is mixed with water to bring about a phase separation into a scrubbing medium-water mixture and naphtha, wherein sulfur-containing concomitants are in solution in naphtha. To remove the sulfur-containing concomitants the naphtha is heated to obtain sulfur-free naphtha as a by-product of the gas scrubbing.

Abstract: An adsorbent bed, including at least one elementary composite structure that includes adsorbent particles in a polymer matrix, wherein the adsorbent bed has a bed packing, ?bed, defined as a volume occupied by the at least one elementary composite structure Vecs divided by a volume of the adsorbent bed Vbed where ?bed is greater than 0.60.

Abstract: The invention relates to a process and a plant for producing pure hydrogen from an input gas containing hydrogen and hydrocarbons, in particular from a hydrogen-containing refinery off-gas, by steam reforming in a steam reforming stage and multi-stage hydrogen enrichment. According to the invention the input gas containing hydrogen and hydrocarbons is separated in a first hydrogen enrichment stage into a hydrogen-enriched substream and a hydrogen-depleted substream, wherein at least a portion of the hydrogen-enriched substream is supplied to a second hydrogen enrichment stage or introduced into the pure hydrogen product stream and at least a portion of the hydrogen-depleted substream is supplied to the steam reforming stage as a reforming feed stream or as part thereof and/or to the burners as a fuel gas stream.

Abstract: A single compressor is used to separately compress permeate from cascaded first and second gas separation membrane-based separation units and residue from a fourth gas separation membrane-based separation unit in order to avoid too high a CO2 partial pressure in the compressed permeate. After the permeates from the first and second stages are compressed, the compressed stream is fed to a third gas separation membrane-based separation unit.

Abstract: 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.

Abstract: A method for producing hydrogen in a steam methane reformer with reduced carbon emissions that can include the steps of: heating a feed stream comprising methane in a first heat exchanger to produce a heated feed stream, wherein the heated feed stream is at a temperature above 500° C.

Abstract: An integrated industrial unit is provided, which can include: a nitrogen source configured to provide liquid nitrogen; a hydrogen source; a hydrogen liquefaction unit, wherein the hydrogen liquefaction unit comprises a precooling system, and a liquefaction system; and a liquid hydrogen storage tank, wherein the precooling system is configured to receive the gaseous hydrogen from the hydrogen source and cool the gaseous hydrogen to a temperature between 75 K and 100 K, wherein the precooling system comprises a primary refrigeration system and a secondary refrigeration system, wherein the liquefaction system is in fluid communication with the precooling system and is configured to liquefy the gaseous hydrogen received from the precooling system to produce liquid hydrogen, wherein the liquid hydrogen storage tank is in fluid communication with the liquefaction system and is configured to store the liquid hydrogen received from the liquefaction system.

Abstract: An integrated industrial unit is provided, which can include: a nitrogen source comprising an air separation unit that is configured to provide pressurized gaseous nitrogen and liquid nitrogen; a hydrogen source; a hydrogen liquefaction unit, wherein the hydrogen liquefaction unit comprises a precooling system, and a liquefaction system; and a liquid hydrogen storage tank, wherein the precooling system is configured to receive the gaseous hydrogen from the hydrogen source and cool the gaseous hydrogen to a temperature between 70K and 100K, wherein the precooling system comprises a primary refrigeration system and a secondary refrigeration system, wherein the liquefaction system is in fluid communication with the precooling system and is configured to liquefy the gaseous hydrogen received from the precooling system to produce liquid hydrogen, wherein the liquid hydrogen storage tank is in fluid communication with the liquefaction system and is configured to store the liquid hydrogen received from the liquefact

Abstract: A single compressor is used to separately compress permeate from cascaded first and second gas separation membrane-based separation units and residue from a fourth gas separation membrane-based separation unit in order to avoid too high a CO2 partial pressure in the compressed permeate. After the permeates from the first and second stages are compressed, the compressed stream is fed to a third gas separation membrane-based separation unit.

Abstract: A hydrogen feed stream is introduced into a primary refrigeration system of a precooling system and cooling the hydrogen stream to a first precooling temperature. From there, the precooled hydrogen stream is then introduced to a secondary refrigeration system of the precooling system and cooling the precooled hydrogen stream to a second temperature. Next, the cooled hydrogen stream is then liquefied in the liquefaction system to produce liquid hydrogen. The refrigeration is provided by expansion of a pressurized gaseous nitrogen stream and vaporization of a liquid nitrogen stream that is sourced from a nearby air separation unit.

Abstract: Heat is transferred from a flow of liquid hydrogen to a flow of a heat transfer fluid at a first heat exchanger to produce a warmed flow of pressurized hydrogen and a cooled flow of heat transfer fluid. Heat is also transferred at a second heat exchanger, to the cooled flow of heat transfer fluid, from a flow of pressurized hydrogen that is derived from one or more buffer vessels filled by the warmed flow of pressurized hydrogen and/or the warmed flow of pressurized hydrogen from the first exchanger to produce a cooled flow of pressurized hydrogen that is used to fill tanks of fuel cell electric vehicles.

Abstract: A hydrogen feed stream is introduced into a primary refrigeration system of a precooling system and cooling the hydrogen stream to a first precooling temperature. From there, the precooled hydrogen stream is then introduced to a secondary refrigeration system of the precooling system and cooling the precooled hydrogen stream to a second temperature. Next, the cooled hydrogen stream is then liquefied in the liquefaction system to produce liquid hydrogen.

Abstract: An apparatus for producing hydrogen in a steam methane reformer with reduced carbon emissions, the apparatus comprising: a first heat exchanger configured to heat a feed stream comprising methane to produce a heated feed stream that is at a temperature above 500° C.

Abstract: A CMS membrane module includes plurality of hollow fiber CMS membranes that are enclosed within an open cylindrical shell whose ends are embedded in tubesheets. The shell is concentrically disposed within an open cylindrical pressure vessel whose open ends are covered by and secured by end caps. The shell includes a feed fluid inlet formed therein between the tubesheets and a retentate outlet in between one of the tubesheets and an adjacent end cap. A retentate seal is formed between the shell and the pressure vessel at a position between the tubesheets. A permeate seal is formed between the pressure vessel and the tubesheet that is adjacent a permeate port of the module. A structure made up of the CMS membranes, shell, tubesheets, and seals is slidable within the pressure vessel and not fixed in place in relation to the pressure vessel and end caps.

Abstract: A CMS membrane module includes plurality of hollow fiber CMS membranes that are enclosed within an open cylindrical shell whose ends are embedded in tubesheets. The shell is concentrically disposed within an open cylindrical pressure vessel whose open ends are covered by and secured by end caps. The shell includes a feed fluid inlet formed therein between the tubesheets and a retentate outlet in between one of the tubesheets and an adjacent end cap. A retentate seal is formed between the shell and the pressure vessel at a position between the tubesheets. A permeate seal is formed between the pressure vessel and the tubesheet that is adjacent a permeate port of the module. A structure made up of the CMS membranes, shell, tubesheets, and seals is slidable within the pressure vessel and not fixed in place in relation to the pressure vessel and end caps.