Abstract: An apparatus provides pulsed impingement jets to a sub-chamber within an impingement hood of a freezer, and includes a blower having an inlet and an outlet at an interior of the freezer; a duct having a first end in fluid communication with the outlet and a second end opening into the sub-chamber; and a flow valve disposed in the duct proximate the second end opening, the flow valve movable in repetitive open and closed positions for providing repetitive, discrete pulses of the impingement jets from the second end opening of the duct into the sub-chamber.

Abstract: An apparatus for reducing a temperature of products includes a housing having a chamber within, wherein the chamber has upper and lower regions; a conveyor for transporting the products through the chamber, the conveyor constructed for substantial gas flow to pass through the conveyor without substantially reducing the ability of the conveyor to transport the products; an agitator associated with the conveyor for selective, intermittent contact with the conveyor to displace the conveyor from a plane of travel, thereby displacing the products on the conveyor to substantially prevent the products from adhering to the conveyor and other of the products; a gas circulation device disposed within the chamber to generate circulating gas flow within the chamber; and a shroud disposed within the chamber for coacting with the conveyor to provide an interface between the upper and lower regions, the shroud constructed and arranged to guide the circulating gas flow from the lower region through the conveyor to the upper

Abstract: A method for inhibiting corrosion in pipelines for transporting oil and gas is described. A nano-machine is fed along with an inert gas to the pipeline to deliver a corrosion inhibitor which is chemically bonded to the nano-machine. The nano-machine is made by attaching a corrosion inhibitor to a nanoparticle by way of a covalent bond. When the nano-machine encounters a source of corrosion in the pipeline, the corrosion inhibitor is released to treat the corrosion.

Abstract: The invention relates to a transport container (1) for helium (He), comprising an inner container (6) for receiving the liquid (He), an insulation element (26) that is provided on the exterior of the inner container (6), a coolant container (14) for receiving a cryogenic liquid (N2), an outer container (2) in which the inner container (6) and the coolant container (14) are received, and a thermal shield (21) which can be actively cooled with the aid of the cryogenic liquid (N2) and in which the inner container (6) is received, wherein a peripheral gap (31) is provided between the insulation element (26) and the thermal shield (21), and said insulation element (26) comprises a copper layer (27) that faces the thermal shield (21).

Abstract: The invention relates to a method for simulation of an isothermal and non-isothermal heating load introduced by a consuming device (V) into a process medium (M) of a cooling apparatus (1), said simulation being by means of a test bypass (2); and the invention further relates to such a test bypass (2), and a cooling apparatus having such a test bypass.

Abstract: In a method for operating an adsorption device a laden gas stream is fed to an inlet of a sorption buffer device. In the device the laden gas stream passes through a sorbent for receiving a loading of sorbable substance along a sorption path from the inlet to an outlet. The sorbable substance passes from the gas stream to the sorbent, or vice versa, depending on the loading of the gas stream and the sorbent. During a phase of elevated loading, a region with an elevated loading of the sorbent extends from the inlet along the sorption path. During a phase of reduced loading, the region with the elevated loading of the sorbent is shifted in the direction toward the outlet. Length of the sorption path and quantity of the sorbent in the sorption buffer device are selected for accommodating at least three different regions of elevated loading.

Abstract: A method for producing a gas mixture in a gas container is provided, having a plurality of components. At least one first component is volumetrically metered, said first component being locked into at least one sample volume of a plurality of sample volumes from a storage container of the first component and conducted into the gas container from the at least one sample volume, and at least one second component is gravimetrically metered, wherein the at least one second component is conducted from a storage container of the at least one second component into the gas container, and the gas container is weighed using a scale in order to determine the content of the at least one second component. A device for carrying out the method is also provided.

Abstract: A heat exchanger is disclosed having a first cylindrical tube and a lead screw which extends coaxially inside the first cylindrical tube; the inner surface of the first cylindrical tube has guiding grooves, and a cleaning element is secured to the lead screw in such a way that a rotating movement of the lead screw moves the cleaning element in the axial direction along the guiding grooves.

Abstract: A method for enhanced or improved oil recovery includes injecting a miscible injection fluid comprising an unfractionated hydrocarbon mixture through an injection well into a hydrocarbon bearing formation. Simultaneously and/or subsequently, a mobility control fluid is injected into the hydrocarbon bearing formation. Residual hydrocarbons in the hydrocarbon bearing formation are mobilized and displaced by the miscible injection fluid and/or the mobility control fluid to a production well through which they are produced to the surface.

Abstract: A device for heating a fluid, including at least one electrically conductive pipeline for accommodating the fluid, and at least one voltage source connected to a respective pipeline. The voltage source is designed to generate an electric current in the connected pipeline which heats the pipeline in order to heat the fluid. Each voltage source has M outer conductors, where M is a natural number greater than or equal to two. Each voltage source is designed to provide an AC voltage at the outer conductors, wherein those AC voltages are phase-shifted through 2?/M with respect to one another, and wherein the outer conductors are electrically conductively connected to the pipeline such that a star circuit is formed.

Abstract: An arrangement comprising at least one liquefaction plant for liquefying a gaseous medium to produce a liquefied medium; and at least one storage tank for storing the liquefied medium. A first transfer line is provided which is connected between the liquefaction plant and the storage tank, for transferring liquefied medium from the liquefaction plant into the storage tank. A second transfer line is connected between the liquefaction plant and the storage tank, for transferring gaseous medium from the storage tank into the liquefaction plant. The second transfer line, which used for transferring medium from the storage tank into the liquefaction plant, is arranged so that it is routed at least partially through the area of the storage tank in which the liquefied medium is stored in use.

Abstract: The present invention relates to a method for connecting tubes (221) of a shell and tube heat exchanger (200) to a tube bottom (230) of the shell and tube heat exchanger (200), wherein the tubes (221) and the tube bottom (230) are each made of aluminum or an aluminum alloy, and wherein the tubes (221) are connected to the tube bottom (230) by means of laser welding in a bonded manner.

Abstract: A constant-pressure storage unit and a method for operating a constant-pressure storage unit, for storing and dispensing hydrogen under constant pressure are disclosed. The constant-pressure storage unit has at least one constant-pressure store, which is divided into two regions by a movable separating piston, at least one liquid pump for conveying a liquid, and at least one liquid store, wherein a measuring device measures the liquid level in the liquid store and sends a signal to the liquid pump by means of a control unit. In this way, the liquid pump can be stopped in time when the constant-pressure storage unit is empty.

Abstract: A method is provided for heating a furnace arranged with a heating zone heated with a burner providing a flame extending in a longitudinal direction and fed with a fuel and a primary oxidant, the burner is operated with a mass relationship between the fed fuel and primary oxidant permitting less than 50% of the fed fuel to be combusted using the primary oxidant, and a respective pair of secondary oxidant lances are provided one either side of the furnace pointing into the heating zone, lancing a secondary oxidant into the heating zone downstream of the burner substantially parallel with a cross plane, such that a temperature is measured downstream of the lances and that each of the lance pairs includes an upstream, low-speed first and a downstream, high-speed second lance, wherein the amount of secondary oxidant supplied via the first lance is regulated to achieve a homogenous lateral temperature profile. A related furnace is also provided.

Abstract: A system for descaling apparatus is described. The system provides for: a water inlet feedstream; a reverse osmosis system in fluid communication with the water inlet feedstream, in which the reverse osmosis system produces a water permeate output feedstream; and a pressurised carbon dioxide feedstream. The pressurised carbon dioxide feedstream and water permeate output feedstream are arranged in use to combine to produce a pressurised carbonic acid input feedstream.

Abstract: A process for producing an olefin having N carbon atoms is proposed in which using a dehydrogenation a process gas is formed which contains at least the olefin having N carbon atoms, a paraffin having N carbon atoms and a hydrocarbon having N?1 carbon atoms and in which using at least a portion of the process gas a separation input is formed which is subjected to a low temperature separation in which the separation input is cooled stepwise over a plurality of temperature levels and condensates are separated from the separation input, wherein the condensates are at least partly subjected to a first low temperature rectification to obtain a first gas fraction and a first liquid fraction, wherein the first gas fraction contains at least the olefin having N carbon atoms in a lower proportion than in the condensates and the hydrocarbon having N?1 in a higher proportion than in the condensates.

Abstract: A process for producing ethylene is proposed in which an ethane- and oxygen-containing reaction input is formed and a portion of the ethane and of the oxygen in the reaction input is converted into ethylene and into acetic acid by oxidative dehydrogenation to obtain a process gas, wherein the process gas contains the unconverted portion of the ethane and of the oxygen, the ethylene and the acetic acid and also water and wherein the process gas is subjected to a water quench. It is provided that the water quench comprises introducing the process gas into a scrubbing column (10, 20, 30, 40, 50) into which in at least two different column portions respective aqueous, liquid scrubbing medium streams are introduced and run in countercurrent to the process gas. A corresponding plant (100) likewise forms part of the subject matter of the invention.

Abstract: Systems and methods of optimizing enhanced oil recovery fluids in the form of a hydrocarbon foam, an emulsion based foam, an emulsion, and a gelled enhanced oil recovery fluid, each comprising Y-Grade NGL, which is an unfractionated hydrocarbon mixture that comprises ethane, propane, butane, isobutane, and pentane plus, wherein the unfractionated hydrocarbon mixture is a byproduct of a condensed and demethanized hydrocarbon stream.

Abstract: The invention relates to a transport container (1) for helium (He), comprising an inner container (6) for receiving the helium (He), a coolant container (14) for receiving a cryogenic liquid (N2), an outer container (2) in which the inner container (6) and the coolant container (14) are received, and a thermal shield (21) which can be actively cooled with the aid of the cryogenic liquid (N2), the thermal shield (21) comprising a tubular base section (22) in which the inner container (6) is received, and a cover section (23, 24) that closes the base section (22) at the front and that is arranged between the inner container (6) and the coolant container (14), wherein an intermediate space (20) is provided between the inner container (6) and the coolant.

Abstract: A process and an apparatus for regenerating the loaded scrubbing medium in a physical gas scrub in which at least materials of a first type and a second type are scrubbed out of a gas mixture, where predominantly materials of the first type are separated off from scrubbing medium loaded with materials of the first type and the second type by stripping at elevated pressure and a loaded scrubbing medium enriched in materials of the second type and also a gas phase that is made up of the stripping gas used in stripping and the materials separated off from the loaded scrubbing medium are obtained. The loaded scrubbing medium enriched in materials of the second type by means of stripping is depressurized and subsequently fed to a separator in order to obtain a flash gas.