Abstract: In an embodiment, a reactor for carrying out a melt transesterification reaction at a reactor temperature of 160 to 300° C. and a reactor pressure of 5 to 200 mbar, comprises a cylindrical tank comprising a top, a side, and a bottom, wherein the bottom is convex, extending away from the top; a stirring shaft disposed within the cylindrical tank along an axis thereof so that it is rotatable from outside of the cylindrical tank; a stirring blade extending from the stirring shaft in the cylindrical tank; a reactant solution inlet located on the bottom; and a reaction solution outlet located on the bottom. The reactor can be used for the polymerization of a polycarbonate oligomer.

Abstract: An air treatment unit 10 for attachment to a fan coil unit 12 for treating air from an indoor setting, the air treatment unit 10 including: an inlet 14 for connection to a ducting system that receives indoor air; a treatment volume 22 for receiving air flow from the inlet 14; a UV-C light source 24 within the treatment volume 22 for exposing the air in the treatment volume 22 to UV-C radiation; and an outlet 16 for discharge of treated air to the fan coil unit 12, the outlet 16 is configured for connection to an inlet plenum 18 of the fan coil unit 12.

Abstract: Methods for forming melt processable, actinic radiation polymerizable and crosslinkable adhesives are described. In certain versions, the adhesives or pre-adhesive compositions include two initiators and are polymerized and/or crosslinked by exposure to actinic radiation such as UV light or electron beam radiation. Also described are pre-adhesive compositions including polymerizable monomers, articles including the adhesives, and various methods and systems related to the adhesives and their application. In addition, various apparatuses are described for polymerizing or crosslinking the compositions.

Abstract: A feed supply unit comprising (a) a feed dosage unit for supplying a viscosity unstable liquid feed to a reactor, (b) a flushing unit for flushing at least a part of the feed dosage unit according to (a) with a flushing medium, and (c) a signal transmission means for transmitting a signal from a monitoring means to a control means.

Abstract: The invention relates to a thermoblock for receiving and regulating the temperature of at least one laboratory specimen vessel in a laboratory temperature regulation device, more particularly in a PCR thermocycler, wherein the thermoblock has been produced by means of an additive manufacturing method using a material containing metal. The invention further relates to a method for producing the thermoblock and a computer-implemented method for the simulation of physical characteristics of the thermoblock to be produced in accordance with the invention.

Abstract: The present invention relates to an equipment for enabling and accelerating uniform reaction between a to-be-reacted substance contained in a porous substrate and a reactant, and the equipment comprises: a machine body having a draining bottom plate on which the porous substrate can be placed; and a coating head which is provided above the machine body, can be moved horizontally along the porous substrate while maintaining a predetermined height, and has one or more slits, wherein each slit has an injection opening at one end and a liquid output opening at the other end.

Abstract: A catalyst carrier for insertion into a reactor tube of a tubular reactor that comprises a container containing particles of catalyst. The container further contains a compacting element for reducing fluidisation of the particles of catalyst.

Abstract: The present disclosure is directed to systems and methods for direct electrical heating of process heaters tubes (e.g., reactor tubes) using galvanic isolation techniques. The disclosure is also directed to systems and methods for direct electrical heating of process heaters tubes wherein the tubes are galvanically isolated in such a manner as to avoid the use of electrical insulation of the tube from the rest of the system, such as the other tubes, the tube inlet header and/or the tube outlet header, and the reactor shell.

Abstract: Means for determining whether or not a reagent necessary for a chemical reaction is normally discharged is provided for a liquid dispensing device that dispenses the reagent for the reaction. A liquid dispensing device as such means includes a temperature controller that controls a temperature of a reaction position to any appropriate temperature and a temperature monitor part that monitors the temperature of the reaction position, monitors with the temperature monitor part a change in the temperature of the reaction position when the dispensing device discharges a reagent, and when a temperature change amount deviates from a beforehand determined threshold range, determines abnormal dispensation.

Abstract: Microfluidic chips, microfluidic processing systems, and microfluidic processing methods are provided. A microfluidic chip includes a top plate and a microelectrode dot array arranged under the top plate. The microelectrode dot array includes microelectrode devices connected in a series. Each microelectrode device includes a microfluidic electrode under the top plate, a multi-functional electrode under the microfluidic electrode, and a control circuit under the multi-functional electrode. Each control circuit includes a first storage circuit, a second storage circuit, a microfluidic control and location-sensing circuit, and a temperature and magnetic control circuit. Each first storage circuit reads in a sample operation configuration. Each second storage circuit reads in a magnetic field control configuration. Each microfluidic control and location-sensing circuit enters a sample control status corresponding to a sample operation configuration.

Abstract: A hydrogen production system includes: a hydrogen compound slurry in which a hydrogen compound member is suspended in a solvent containing water; a first vessel; a second vessel having an internal temperature higher than that of the first vessel; a first passage connecting the first vessel and the second vessel; and a second passage connecting the first vessel and the second vessel and different from the first passage. The hydrogen production system is configured to allow the hydrogen compound slurry contained in the first vessel to move into the second vessel through the first passage, and the hydrogen compound slurry contained in the second vessel to move into the first vessel through the second passage.

Abstract: A fluidized bed granulator for production of urea-containing or nitrate-containing granules may include a granulator interior having granulator interior walls with a first granulator side wall, a second granulator side wall, a granulator front wall that extends transversely to the granulator side walls, and a granulator back wall that likewise extends transversely at the opposite end of the granulator interior from the granulator front wall, a horizontal perforated plate that bounds the granulator interior in a downward direction, a seed entry opening, and a granule exit opening that is disposed at a distance in front of the granulator back wall. A process for producing urea-containing or nitrate-containing granules may utilize the fluidized bed granulator.

Abstract: A system for controlling contamination in hydrogen production from water-reactive aluminum includes at least one reaction vessel. For example, each reaction vessel may include a container, a conduit, and a plurality of baffles. The container may define a volume, and the conduit may define an orifice outside of the container and spaced away from the container. The plurality of baffles may be disposed in the volume to form a tortuous flow path through the volume to the orifice of the conduit to facilitate rapid production of a large quantity of hydrogen from water-reactive aluminum while reducing the likelihood that ejecta, aerosols, or a combination thereof, may escape the reaction vessel to interfere with end-use of the hydrogen produced.

Abstract: The present invention relates, in general, to a system and method for focusing gas distribution through at least one three-dimensionally (3D) printed lattice heating elements within an electric catalyst unit to promote ammonia dissociation. The present invention allows gaseous ammonia to be continuously heated under turbulence as it flows through non-linear paths within a 3D printed lattice heating element. The lattice structure of the heating element provides a balance between surface area and heat dissipation, allowing the heating elements to reach a suitable temperature to perform ammonia dissociation, but which are not oversaturated with heat which could result in failure or melting of the heating element.

Abstract: An integrated system for the conversion of biomass to renewable natural gas and then to methanol and other value-added products is provided. The integrated system includes a compressor that receives biomass gases from a biomass source and a series of purification stations that produce purified gas from the biomass gases. Characteristically, the purified gas has an enhanced amount of methane. A gas-to-liquids plant converts the purified gas to a product blend that includes methanol.

Abstract: A hydrogen release and storage system (100) of the present invention includes a first hydrogen release and storage unit (100A) composed of a first hydrogen compound member (101A), a first container (102A) that accommodates the first hydrogen compound member (101A), a first heating apparatus (103A) configured to heat an inside of the first container (102A), a first cooling apparatus (104A) configured to cool the inside of the first container (102A), a first water supply apparatus (105A) configured to supply water to the first container (102A), a second hydrogen release and storage unit (100B) composed of a second hydrogen compound member (101B), a second container (102B) that accommodates the second hydrogen compound member (101B), a second heating apparatus (103B) configured to heat an inside of the second container (102B), a second cooling apparatus (104B) configured to cool the inside of the second container (102B) and a second water supply apparatus (105B) configured to supply water to the second container

Abstract: A reactor system includes a reactor vessel configured to contain a process fluid, and a sparger assembly that operably coupled to the reactor vessel and configured to supply a mixture of a gas and a recirculated process fluid to the reactor vessel. The sparger assembly includes a plurality of sparger chambers. Each sparger chamber includes a process fluid conduit fluidly coupled to a process fluid return of the reactor vessel via a process fluid inlet, wherein the process fluid inlet has a first block and bleed valve assembly. Each sparger chamber includes a sparger conduit fluidly coupled to the process fluid conduit and a sparger disposed within the sparger conduit and fluidly coupled to a gas source via a gas inlet. Each sparger chamber also includes a process fluid-gas mixture outlet that fluidly couples the sparger conduit to a sparger outlet of the reactor vessel.

Abstract: A filling device (1) for filling a container with a particulate material (28) comprises a supply container (2) that can be filled with the particulate material (28), wherein the supply container (2) has a lower opening (2.2). Moreover, the filling device (1) comprises a radial distribution unit (3), which can be supplied with the particulate material via the lower opening (2.2) of the supply container (2) and which is connected to the supply container (2) in such a way that it can rotate about a rotational axis (A), in order to distribute in the container the particulate material (28) supplied from the supply container (2) to the distribution unit (3). The filling device is characterized in that the distribution unit (3) can be driven by a drive unit (4) that is arranged outside the supply container (2).

Abstract: The invention relates to a process for the acylation of a solid material, known as the hydroxylated material, bearing hydroxyl groups (—OH), known as reaction-generating hydroxyls, which are accessible and capable of reacting with at least one fatty acid chloride in gaseous form, said hydroxylated material being scrolled through a chamber, known as the acylation chamber, delimiting an internal space under a gaseous atmosphere. The invention also relates to an acylation device for performing said process.

Abstract: The present disclosure relates generally to reactor systems that include (a) a housing having an interior surface that may be at least partially reflective, (b) at least one reactor cell disposed within an interior of the housing, the at least one reactor cell including an enclosure and a plasmonic photocatalyst on a catalyst support disposed within the at least one enclosure, where the enclosure is optically transparent and includes at least one inlet for a reactant to enter the at least one cell and at least one outlet for a reformate to exit the at least one cell and (c) at least one light source disposed within the interior of the housing and/or external to the housing. At least one light-management feature and/or at least one thermal-management feature is applied to the reactor cell, reactor system, or a reformer system comprising many reactor systems, in order to improve efficiency.