Abstract: The invention relates to a method for rearing animals and in particular poultry or pigs that comprises supplying the animals with drinking water in order to water the animals, injecting oxygen and CO2 into the drinking water, before the drinking water reaches the animals, according to one of the following modes: two injections, one of CO2 and one of oxygen, are carried out simultaneously into the drinking water, or one injection, a mixture of oxygen and CO2, is carried out into the drinking water.

Abstract: Apparatus for compressing cryogenic fluid in at least one compression stage comprising at least one piston and at least one sleeve delimiting at least one compression chamber, a shaft that is able to move in translation along a longitudinal axis (A), the shaft being connected to the piston(s) or sleeve(s) and being able to move with an alternating movement in two opposite directions to ensure phases of compression and intake of fluid into the at least one compression chamber by moving the at least one piston and the at least one sleeve in a relative manner, characterized in that the shaft comprises a portion of reduced cross section in the longitudinal direction (A), said portion of reduced cross section separating two adjacent parts of the shaft, the shaft also comprising at least one linking element made of material that is less thermally conductive than the constituent material of the shaft, in particular a composite material, said at least one linking element having two ends connected respectively to the

Abstract: The invention concerns a gas delivery system (1, 2) for providing gaseous Nitric Oxide (NO) to a patient comprising a medical ventilator (2) providing a respiratory gas, such as air, to a patient breathing circuit (3) having an inspiratory limb (31) with a flow sensor (100) and an NO injection module (110), and a NO-delivery device (1) for providing a NO-containing gas to the NO injection module (110) of the inspiratory limb (31), said NO delivery device (1) including a control unit (130) and a differential pressure sensor (104). The medical ventilator (2) can be a High Frequency Oscillatory (HFO) ventilator.

Abstract: In a process of the separation of a mixture of carbon monoxide, hydrogen and methane, the mixture is sent to a scrubbing column, a bottom liquid withdrawn at the bottom of the scrubbing column is depleted in hydrogen with respect to the mixture and is sent to a stripping column, a bottom liquid from the stripping column is sent to a separation column and a liquid enriched in methane withdrawn from the bottom of the separation column is vaporized in order to form a final product.

Abstract: An air separation device can include: a first compressor and a second compressor for compressing feed air; a first refrigerator and a second refrigerator for cooling the feed air; a pre-purification unit for pre-purifying the feed air; a flow rate measuring unit for measuring the flow rate of the feed air; a main heat exchanger for subjecting the feed air to heat exchange; a purification portion into which the feed air led out from the main heat exchanger is fed, and which separates and purifies product nitrogen and/or product oxygen from the feed air; and a compressor control unit for controlling the feed quantity of the feed air in accordance with an increase or decrease in the production quantity of product nitrogen and/or product oxygen.

Abstract: Composite hollow fiber gas separation membranes with improved permeance and separation layer adhesion are manufactured by providing dipping a hollow fiber membrane substrate in a pre-coat layer coating composition followed by drying to thereby provide a pre-coated substrate and dipping the pre-coated substrate in a separation layer coating composition followed by drying to thereby provide the composite hollow fiber gas separation membranes. The pre-coating composition includes a first polymer dissolved in a first solvent and the separation layer composition includes a second polymer dissolved in a second solvent. The first and second polymers are the same or different, each of the first and second polymers is at least 1 wt % soluble in a same third solvent, the first and second solvents are the same or different, the first and third solvents are the same or different, and the second and third solvent are the same or different.

Abstract: Raw biogas from an anaerobic digester is fed to a membrane separation unit that produces methane rich biomethane and a CO2 rich permeate that is recycled to the anaerobic digester where it is mixed with the digestate.

Abstract: Self-closing emergency release and coupling device for the transport of cryogenic fluid comprising two pipes extending in a longitudinal direction and each comprising, at a connection end, a valve mechanism configured to automatically close the pipe when the connection ends are separated and to open the pipe when the connection ends are coupled, the device further comprising a tube arranged around each pipe and defining a vacuum space for thermally insulating the pipeline, the device is characterized in that it further comprises a chamber disposed around the valve mechanism and delimited by a wall assembly located between the outer tube and the transport pipe, the volume of the insulation chamber being independent of the vacuum space between the outer tube and the transport pipe.

Abstract: The invention relates to a method for storing and distributing liquefied hydrogen using a facility that comprises a store of liquid hydrogen at a predetermined storage pressure, a source of hydrogen gas, a liquefier comprising an inlet connected to the source and an outlet connected to the liquid hydrogen store, the store comprising a pipe for drawing liquid, comprising one end connected to the liquid hydrogen store and one end intended for being connected to at least one mobile tank, the method comprising a step of liquefying hydrogen gas supplied by the source and a step of transferring the liquefied hydrogen into the store, characterized in that the hydrogen liquefied by the liquefier and transferred into the store has a temperature lower than the bubble temperature of hydrogen at the storage pressure.

Abstract: A device and process for refuelling containers comprising a pressurized gas source, a transfer circuit intended to be removably connected to a container, the device comprising a refrigeration system comprising a refrigerant cooling loop circuit comprising, arranged in series, a compressor, a condenser section, an expansion valve and an evaporator section, the refrigeration system comprising a cold source in heat exchange with the condenser section and a heat exchanger located in the transfer circuit, the refrigerant cooling loop circuit comprising a bypass conduit comprising an upstream end connected to the outlet of the compressor and a downstream end connected to the refrigerant cooling loop circuit upstream the compressor inlet, the device further comprising a bypass regulating valve for controlling the flow of refrigerant flowing into the by-pass conduit, the device comprising a pressure sensor for sensing the refrigerant pressure in the cooling loop circuit between the compressor inlet and the heat excha

Abstract: A method and system for purification of helium and CO2 from a stream containing at least Helium, CO2, nitrogen or methane uses a combination of cryogenic, membrane and adsorption technologies.

Abstract: At a liquid cryogen depot, gaseous cryogen from non-completely filled short trailers is used for pressurizing jumbo trailers, from which liquid cryogen is caused to flow into empty trailers through pressure differential.

Abstract: Mobile cryogenic tank for transporting cryogenic fluid, notably liquefied hydrogen or helium, comprising an internal shell intended to contain the cryogenic fluid, an external shell arranged around the internal shell and delimiting a space between the two shells, said space containing a thermal insulator, the first shell having a cylindrical overall shape extending along a central longitudinal axis (A), when the tank is in the configuration for transport and use, the central longitudinal axis (A) being oriented horizontally, the tank comprising a set of temperature sensors measuring the temperature of the fluid in the internal shell, characterized in that the set of temperature sensors is situated on the external face of the internal shell and measure the temperature of said shell, the set of temperature sensors comprising a lower sensor positioned at the lower end of the internal shell situated below the central longitudinal axis (A), the set of temperature sensors further comprising a plurality of intermedi

Abstract: The invention relates to a system for controlling an argon flow rate of a fluid at the outlet of an assembly of at least one distillation column in order to reach a target dioxygen level (SP).

Abstract: A method for separating a mixture containing at least nitrogen and methane by cryogenic distillation in a first column operating in a first pressure and a second column operating at a second pressure lower than the first pressure, the mixture being separated in the first column to form a gas enriched in nitrogen and a liquid enriched in methane, at least a portion of the gas enriched in nitrogen being at least partially condensed in a heat exchanger and returned to the first column, the gas enriched in nitrogen is sent into the heat exchanger by the bottom, ascends in a first series of passages of the exchanger and condenses therein at least partially, the liquid formed descending in these passages of the first series and exiting by the bottom of the exchanger.

Abstract: A heat exchanger having a stack of multiple plates which are parallel to one another and to a longitudinal direction, and stacked spaced apart from one another so as to define, between one another, a first series of passages for the flow of at least a first fluid in an overall flow direction parallel to the longitudinal direction, each passage being delimited by closure bars disposed between the plates. A filtering device is arranged in at least one passage of the first series, the filtering device extending for the one part between two adjacent plates defining the passage and for the other part between two of the closure bars delimiting the passage, the filtering device having a metal sheet material chosen from among a metal fabric, a nonwoven of metal fibres, a sintered metal powder or sintered metal fibres, a metal foam, or a microperforated plate.

Abstract: A combined plant for cryogenic separation and liquefaction of methane and carbon dioxide in a biogas stream, including a mixing means, a compressor, a first exchanger, a distillation column, a second exchanger, a separating means, an expanding means, and a separator vessel. Wherein, the mixing means is configured such that the recycle gas is the overhead vapour stream, and the first exchanger and the expanding means are combined.

Abstract: The present invention discloses a high-temperature fluid transporting pipeline with a heat exchange apparatus installed therein, a suitable heat exchange apparatus and a heat exchange method, wherein heat contained in a high-temperature fluid can be recovered during the transportation thereof. The heat exchange apparatus comprises a heat exchange body inserted into the high-temperature fluid transporting pipeline, and a heat-receiving fluid coil installed therein. The method of heat exchange is that the high-temperature fluid heats an auxiliary fluid in a heat exchange cavity via a heat exchange panel of the heat exchange body in contact therewith, and the heated auxiliary fluid then conducts the heat to a heat-receiving fluid in the heat-receiving fluid coil.

Abstract: An elevated flare system in a synthesis gas production plant for thermal disposal of offgases having at least two different contents of carbon monoxide arising in synthesis gas production and/or synthesis gas treatment.

Abstract: The invention relates to an inertization apparatus for inerting a working volume in a chemical production plant by flushing with inert gas, where the chemical production plant comprises a plant-wide inert gas distribution system having pipes for distributing the inert gas and at least one inert gas offtake position which can be connected to a connecting conduit. According to the invention, it is provided that the connecting conduit between inertization apparatus and working volume is connected, at its end nearest the working volume, in a not reversibly detachable manner to an intermediate piece, where the intermediate piece can be connected in a reversibly detachable manner to a counterpiece provided on the working volume.