Abstract: A honeycomb filter body comprises: a clean filter pressure drop of (P1) and a clean filtration efficiency of (FE1); a porous ceramic honeycomb body comprising a first end, a second end, and a plurality of walls having wall surfaces defining a plurality of inner channels, the porous ceramic honeycomb body comprising a base clean filter pressure drop (P0) and a base clean filtration efficiency (FE0); and a porous inorganic layer disposed on one or more of the wall surfaces of the porous ceramic honeycomb body.

Abstract: The invention relates to a method and system for improving PSA/VPSA plant energy efficiency during times of reduced production demand and capital efficiency through optimizing feed, vacuum, and centrifugal product compressors to achieve lower energy consumption and lower unit gas product production cost. More specifically, the present invention relates to a new energy efficient PSA/VPSA turn down process and system which employs high speed direct drive centrifugal product compressor to achieve desired production. Significant lower energy consumption can be achieved by employing lower flow, and lower adsorption top pressure in the lower production range.

Abstract: Fabrics, such as employed in air filters, facemasks, garments, or PPE, are coated with pathogen-binding agents, such as chemicals that bind to protein-encapsulated airborne pathogens. Some of these pathogen-binding agents include multifunctional chemicals that bind to the fabrics and to exposed proteins and/or glycans on the pathogens. Some of these pathogen-binding agents include multifunctional silanes. Some of these pathogen-binding agents include multifunctional phosphanes or phosphonates.

Abstract: A dehumidifying air handling unit for an HVACR system includes a housing, a desiccant wheel, and a cooling heat exchanger. A main airflow path extending through the housing from an air inlet to and air discharged outlet of the housing. The desiccant wheel includes a first end and a second end that are each disposed in the main airflow path and a metal organic framework desiccant that is moved between the first end and the second end. A desiccant wheel includes a metal organic framework desiccant disposed on a surface of the desiccant wheel. Rotation of the desiccant wheel moves a position of the surface between a first end and a second end of the desiccant wheel. The metal organic framework desiccant has an majority absorption-desorption operating band of 25% relative humidity or less.

Abstract: A system for carbon dioxide (CO2) capture at a wellhead using a mixed matrix membranes (MMM). The MMM includes a polymer matrix and covalent triazine framework (CTF) fillers. The captured CO2 stream may be reutilized through sequestration and utilization approaches. The bulk stream may be split into multiple streams for various applications. Some CO2 may be converted chemically into fuels, reaction intermediates, and productivity enhancement tools such as methanol, syngas, CO2-foam, used in fracking fluids, and stimulant acids. The rest may be stored through direct injection into porous formations or reactive rocks such as basalt.

Abstract: The present invention relates to a kit for concentrating low-concentration air pollutants, and to a concentration kit for concentrating low-concentration air pollutants, and then desorbing same so as to detect the components and concentrations of the pollutants. The present invention comprises: a sensor positioned on a channel in which gas moves, so as to detect pollutants in the gas; and a concentration part, which comprises an adsorbent for adsorbing and desorbing the pollutants in the gas moving to the sensor, so as to transfer concentrated pollutants to the sensor.

Abstract: In a compression process in a dynamic compressor having at least one first and one second compression stages, a first gas having a first molecular weight of less than 10 g/mol is compressed, at least one second fluid having a second molecular weight greater than 50 g/mol is mixed with the first gas to form a third gas to be compressed having a molecular weight greater than 10 g/mol, the third gas is sent to the first compression stage, the third gas is cooled in a first heat exchanger downstream of the first compression stage, where it is partially condensed, the partially condensed third gas is sent to a first phase separator to form a fourth gas having a lower molecular weight than the third gas and a first condensed liquid having a higher molecular weight than the third gas, the fourth gas is sent from the first phase separator to the second compression stage, the fourth gas compressed in the second compression stage is sent to cool in a second heat exchanger where it partially condenses, and the partially

Abstract: A gas exchange system, said system comprising: a plurality of cartridges, each having a casing, said casing having a cartridge inlet adjacent to a first end and a cartridge outlet adjacent to an opposed second end; each casing having a bore in which is placed a gas permeable, liquid impermeable, hollow membrane; each hollow membrane having a membrane inlet arranged to receive a gas from an inlet chamber and a membrane outlet for venting said gas; each cartridge inlet in communication with a concentration zone, and arranged to receive a solvent from said concentration zone, so as to exit said solvent through said cartridge outlet; wherein said bore is arranged to flow said solvent adjacent to said hollow membrane so as to permit the exchange of gas through said gas permeable, liquid impermeable membrane.

Abstract: Provided are a gas treatment method and a gas treatment device capable of efficiently removing a bromofluoroethylene. A gas containing a bromofluoroethylene is brought into contact with an adsorbent (7) having pores with an average pore diameter of 0.4 nm or more and 4 nm or less in a temperature environment of not less than 0° C. and less than 120° C. to allow the adsorbent (7) to adsorb the bromofluoroethylene, and thus the bromofluoroethylene is separated from the gas.

Abstract: A system and method for the collection of carbon dioxide is disclosed. The system includes a liquid sorbent that is a carbon dioxide sorbent, and a plurality of conduits. Each conduit has a hollow interior enclosed by a conduit wall. The conduit wall includes a membrane material that is both hydrophobic, trapping the liquid sorbent inside the hollow interior, and porous, allowing gaseous carbon dioxide to transfer from outside the conduit, through the conduit wall, and into the liquid sorbent. The system also includes a first manifold and a second manifold in fluid communication with the first manifold through the plurality of conduits and a riser. The liquid sorbent flows in a circuit, from the first manifold to the second manifold through the plurality of conduits, and from the second manifold to the first manifold through the riser.

Abstract: The invention relates to a method for the desulfurization of methane-containing gases by bamboo-based activated carbon. The method according to the invention is particularly suitable for the desulfurization of methane-containing gases such as biogas, landfill gas, mine gas, flue gas, marsh gas or natural gas with a view to further use of the gas or the sulfur extracted.

Abstract: In variants, an air treatment module can include a sorption module defining a sorption cavity, an air intake channel, an air exhaust channel, and a target substance exhaust channel. The air treatment module can include a sorbent encapsulated within a sorbent structure (e.g., microencapsulated carbon sorbent) which can sorb carbon dioxide from air passing through the sorption cavity. The air treatment module can desorb carbon dioxide from the air and store the carbon dioxide in long term storage.

Abstract: The present disclosure relates to multi-layer composite articles including at least two nonwoven web layers. Each or the layers may be a spunbonded web, and each may include biodegradable materials. The multi-layered composites of the present disclosure are particularly well suited for air filtration, as they can combine a high dust holding capacity with sufficient strength, dimensional stability, and a relatively low pressure drop.

Abstract: An oxygen concentrator includes one or more adsorbent sieve beds operable to remove nitrogen from air to produce concentrated oxygen gas at respective outlets thereof, a product tank fluidly coupled to the respective outlets of the sieve bed(s), a compressor operable to pressurize ambient air, one or more sieve bed flow paths from the compressor to respective inlets of the sieve bed(s), a bypass flow path from the compressor to the product tank that bypasses the sieve bed(s), and a valve unit operable to selectively allow flow of pressurized ambient air from the compressor along the one or more sieve bed flow paths and along the bypass flow path in response to a control signal. The valve unit may be controlled in response to a command issued by a ventilator based on a calculated or estimated total flow of gas and entrained air or % FiO2 of a patient.

Abstract: Method and apparatus for condensing a majority of the solvent in a process gas stream at low temperatures, e.g., below the freezing point of water, ca. ?5° C. The gas stream exiting the condenser step may be further processed in one or more emission control devices, such as a single or multi-step series of concentrator devices, such as zeolite concentrator devices. One or more emission control operations can be carried out downstream of the single or multi-step concentrators. The aforementioned condensing process enables the one or more concentrators to operate in a favorable temperature range for removal of 99% or more of VOC, thereby meeting or exceeding strict environmental regulations.

Abstract: A nuclear power plant includes a nuclear reactor and a reactor coolant circuit containing a reactor coolant. The nuclear power plant further includes a degasification system (2) for the reactor coolant. The degasification system (2) is an ultrasonic degasification system comprising a sonotrode cluster (11) with at least one sonotrode (10) arranged in a line of the reactor coolant circuit or in a line which is fluidically connected to the reactor coolant circuit.

Abstract: A filter element for coupling adsorption and regeneration of volatile organic compounds and a purification device are provided. The filter element includes a filter element body, a photocatalytic mechanism and adsorption-filtration body(s). The adsorption-filtration body(s) may be of a hollow columnar structure where the photocatalytic mechanism is located. VOCs are quickly adsorbed by the adsorption-filtration body(s), then thermal desorption regeneration is performed on the adsorption-filtration body(s) during a time interval of stopping discharging of the exhaust gas, and a photocatalysis technology is used to cyclically purify the thermally desorbed VOCs, which achieves the synergy of high-density and purification in the two technologies. Furthermore, it takes full advantages of high adsorption, filtration and purification efficiency, low photolysis catalysis costs, and easy operation and maintenance of the on-site regeneration.

Abstract: The present disclosure relates to a double swirl type air purifier including: a main body configured to accommodate a liquid for purifying an inflow air; a suction part located at one side of the main body and configured to suction the inflow air; and a discharge part located at a predetermined position of the main body and configured to discharge an outflow air introduced from the main body. The main body includes a rotation part located at a lower portion of the main body and configured to rotate the liquid. A contact area between the liquid swirled by the rotation part and the inflow air swirled by inflow pressure of the suction part is increased so as to improve air purification efficiency.

Abstract: The present disclosure generally relates to an ion dispersing apparatus. The apparatus is made a housing that accommodates a fan and an ion generator. Air is sucked into the housing at the bottom and exhausted out of the top by the fan. The ion generator sits above the fan and deposits ions into the system. Thus, when the fan generates airflow, the ions are deposited into the airflow and exhausted from the system without having to pass through the fan blades.

Abstract: The present invention concerns methods of treating a patient suffering from a traumatic brain injury (TBI), comprising contacting said patient's blood with a sorbent for an inflammatory mediator and kits for performing such treatments.