Abstract: An apparatus includes a substrate having a recess and a multitude of particles arranged in the recess. A first portion of the particles is joined to a porous structure by means of a coating. A second portion of the particles is not joined by means of the coating. The first portion of the particles is arranged closer to an opening of the recess than the second portion of the particles so that a leaking of the second portion of the particles from the recess through the opening is prevented.

Abstract: The present invention uses an inert gas medium to heat an adsorbent bed and effect desorption of one or more chemical moieties adsorbed thereon. In particular, the invention is useful for the desorption of CO2 from adsorption beds utilized for direct air capture (DAC) of CO2 as well as adsorption beds utilized for capture of CO2 from flue gases. The inert gas medium is heated to the necessary sorbent desorption temperature and passed through a CO2 adsorbent bed to bring it up to the proper desorption temperature and effect desorption. Once the bed is fully desorbed, the CO2-enriched gas medium is passed through one or more condensers to separate the inert gas medium from the CO2 product.

Abstract: An air separation module includes a canister having an inlet end and an outlet end arranged along a canister axis, a separator supported within the canister and arranged to separate a compressed air flow received at the air separation module into an oxygen-depleted air flow fraction and an oxygen-enriched air flow fraction, and an inlet cap. The inlet cap is seated about the inlet end of the canister, contains therein a portion of the separator, and has an oxygen-enriched air outlet port fluidly separated from the outlet end of the canister by the separator for diverting the oxygen-enriched air flow fraction to the external environment. Nitrogen generation systems and methods of making air separation modules are also described.

Abstract: One method disclosed herein of processing a process fluid that comprises dissolved gas includes performing a degassing process on the process fluid by heating the process fluid via heat transfer with a heat transfer fluid, wherein at least some amount of the heat transfer fluid condenses in the first heat transfer process and latent heat of the heat transfer fluid as it condenses is used to increase the temperature of the process fluid. Thereafter, the heat transfer fluid is passed through an expansion device so as to produce a post-expansion heat transfer fluid. The temperature of the heated process fluid is decreased by performing a second heat transfer process between the post-expansion heat transfer fluid and the heated process fluid, wherein the temperature of the post-expansion heat transfer fluid is increased and the latent heat that was supplied to the process fluid in the first heat transfer process is removed.

Abstract: A method including directing an aqueous solution having dissolved carbon dioxide and dissolved ozone into a vessel, removing an amount of the dissolved carbon dioxide and irradiating the effluent with ultraviolet light to decompose an amount of the dissolved ozone is disclosed. The method may include removing the dissolved carbon dioxide by controlling pH. The method may include removing the dissolved carbon dioxide by contact with a membrane degasifier. A system including a channel fluidly connectable to a source of an aqueous solution having dissolved carbon dioxide and dissolved ozone, a dissolved carbon dioxide removal subsystem, and a source of ultraviolet irradiation is also disclosed. The dissolved carbon dioxide removal subsystem may include a source of a pH adjuster. The dissolved carbon dioxide removal subsystem may include a membrane degasifier.

Abstract: Provided is a biomaterial removing device including an air injection part, a first processing part spaced apart from the air injection part, and a second processing part spaced apart from the air injection part with the first processing part therebetween, wherein the first processing part includes a first biomaterial removing part configured to remove biomaterials included in air collected from the air injection part and a first monitoring part, and the second processing part includes a second biomaterial removing part configured to remove the residual biomaterials and a second monitoring part, wherein the first biomaterial removing part includes a dry air purifier, the second biomaterial removing part includes a wet air purifier, and the first biomaterial removing part and the second biomaterial removing part each include an image sensor.

Abstract: A filter element is provided. The filter element includes a filter media pack including an outer surface. The outer surface extending between a first flow face and a second flow face. The filter element also includes a polymeric coating applied to the outer surface of the filter media pack, wherein the polymeric coating is not a molded structure. In embodiments, the polymeric coating covers at least 25% of a span between the first flow face and the second flow face and has an average thickness of between 0.005 and 0.100 in. In other embodiments, the polymeric coating has a surface roughness of at least 50 ?in to provide an outer gripping surface. A method and system for applying the polymeric coating to the filter element are also provided.

Abstract: A de-bubbling slide is configured to fit in a dispensing vessel and capture, with a receiving element, a flow of fluid into the dispensing vessel from a fluid inlet. The receiving element of the de-bubbling slide directs the flow of fluid to a flow surface of the de-bubbling slide from which gas dissolved in the flow of fluid, or bubbles in the flow of fluid, escape from the fluid. Openings in an upper surface of the de-bubbling slide allow the escaped gas to exit the de-bubbling slide.

Abstract: A vaporization capsule including a liquid active agent absorbed in or adsorbed to a substrate, which may be operated so as to vaporize the liquid active agent. The vaporization capsule includes a capsule body defining a first volume and a second volume. A first cover sealingly engages the capsule body at a first end thereof. The first cover includes an exterior perimeter, an interior wall including a hollow defined between the exterior perimeter and the interior wall portion, and at least one indentation disposed in the interior wall portion, fluidly connecting the first volume and the second volume via the hollow.

Abstract: Provided is an electrostatic dust collecting apparatus including a first electrode, a second electrode spaced apart from the first electrode along a first direction, at least one support member configured to maintain an interval between the first electrode and the second electrode spaced apart from each other, and a support bar formed to extend along the first direction. The at least one support member each include at least one electrode insertion groove formed to allow at least one of the first electrode or the second electrode to be inserted thereinto and a coupling hole extending along the first direction and formed to allow the support bar to be coupled thereto.

Abstract: An adsorbent system including an enclosure having a cavity defining a humidity-controlled environment and a body having or defining a channel therein. The body is coupled to the enclosure such that a first end of the channel is in selective fluid communication with an ambient environment and a second end of the channel is in fluid communication with the humidity-controlled environment. The system further includes an adsorbent material in the channel, wherein the channel and adsorbent material are configured such that inlet fluid flowing from the first end to the second end through the channel is flowable over at least a portion of the adsorbent material, and such that outlet fluid flowing from the second end to the first end is directly flowable over a majority of the portion of the adsorbent material that is flowable over by the inlet fluid, The system further includes a valve system positioned at or adjacent to or in fluid communication with the first end of the channel.

Abstract: An oxygen generation device having a compressed air supply device, air cooling coil, a fan, pneumatic valve system, a housing, at least one media insert, an on-off switch, a printed circuit board, and a touch screen. The pneumatic valve system includes an air inlet port, a first air outlet port connected to the inlet of the first media insert, a second air outlet port connected to the inlet of the second media insert. The air inlet port receives compressed air from the compressed air supply device and alternatingly provides the compressed air to one of the first media insert and the second media insert. The lower housing includes check valve ball moveable between the first position and the second position and alternatingly controlling a flow of compressed air through the first media insert and the second media insert.

Abstract: Provided is a two-stage dryer system. The two-stage dryer system includes a cooling dehumidifier configured to condense and remove moisture contained in compressed air by cooling the compressed air flowing therein, and then discharge the compressed air; and a deliquescent dehumidifier configured to bring the compressed air discharged from the cooling dehumidifier in contact with a deliquescent agent to remove the moisture contained in the compressed air through a process of deliquescence caused by the deliquescent agent, and then discharge the air with the moisture removed.

Abstract: Disclosed herein is a metal organic framework (MOF) having a UTSA-16 structure, where the composition comprises: from 0 to 80 mol % of the total metal in the MOF is a first metal selected from one or more of the group consisting of Cr, Mn, Fe, Ni, Cu, and Co; and from 20 to 100 mol % of the total metal in the MOF is a second metal selected from one or more of the group consisting of Cd, Mn, and Zn.

Abstract: A vapor recovery apparatus degasses oil and water produced by an oil well. The apparatus has a first vessel forming a column. Oil containing gas enters the bottom of the first vessel and flows up to a liquid outlet. Heat is applied to the rising oil, wherein the oil foams. Gas escapes into the upper end. The foam flows into a second column and along a roughened surface. The bubbles in the foam break apart, releasing the gas. The oil flows down the second column to an outlet. Water is introduced into a third vessel. The water releases gas therein, which gas mingles with the gas from the oil. The third vessel is located around the first and second vessels. A compressor may be used to withdraw the gas and provide hot compressed gas to heat the rising oil in the first column.

Abstract: A wearable air purifier includes at least one wearable component, a control unit, at least one speaker assembly and at least one negative ion generating component. The control unit is disposed inside the at least one wearable component. The at least one speaker assembly is disposed on the at least one wearable component and electrically connected to the control unit. The at least one negative ion generating component is disposed on the at least one wearable component and electrically connected to the control unit. The control unit provides high-voltage currents to the at least one negative ion generating component to enable the at least one negative ion generating component to emit negative ions by corona discharging, and the control unit further provides audio signals to the at least one speaker assembly to activate the at least one speaker assembly to generate sound.

Abstract: An air treatment system for at least partially removing at least one gaseous contaminant contained in indoor air of a room structured for human occupants. The system may comprise an air treatment assembly having an indoor air inlet configured to receive indoor airflow directly from a room, a regenerable adsorbent material configured to adsorb at least one gaseous contaminant contained in the indoor airflow, at least one airflow element for directing the indoor airflow to flow through the air treatment assembly, an indoor air outlet for expelling the indoor air, from the air treatment assembly back into the room, a purge air inlet configured to receive and direct purge air over and/or through the adsorbent material for removal of at least a portion of the at least one gaseous contaminant, and a purge air outlet for expelling the purge air out of the air treatment assembly.

Abstract: An air purifier filter system comprises an air purifier filter unit and a machine readable identifier which provides information concerning the filter unit type and performance information specific to a target pollutant to be filtered by said air purifier filter unit from a plurality of different pollutants that can be filtered by that filter unit type. This information can be used to provide an end of life prediction for the filter unit or provide advice that the filter should be changed for other reasons. This enables the user to be given advance warning, and to be given instructions when it is time to change the filter unit. The instructions to change the filter unit may be more accurate than a simple timer as they can take account of the type of filter unit and the performance information. In some examples the use history of the filter unit may also be used to predict the time when it should be changed.

Abstract: Several embodiments of the present technology are directed to the removal of one or more air pollutants using cooling and/or calcium-containing particles. In some embodiments, a method for removing air pollutants comprises flowing a gas stream having calcium-containing particles and one or more of mercury or hydrochloric acid molecules, and cooling the gas stream, thereby causing at least a portion of the calcium-containing particles to adsorb to the mercury and/or hydrochloric acid molecules in the gas stream. The method can further comprise, after cooling the gas stream, filtering the gas stream to remove at least a portion of the calcium-containing particles having adsorbed mercury and hydrochloric acid.

Abstract: A biogas collection and purification system that includes a plurality of sources of biogas and a network of conduits configured to convey the biogas from the sources to a central processing facility for processing the biogas into methane. The central processing facility removes impurities to convert biogas to biomethane and may include an H2S removal stage; an activated carbon scrubber; a gas drier; and a carbon dioxide removal stage. The facility also has a biomethane gas compressor configured to deliver the biomethane for use in power plants, for CNG production. Ancillaries to the system include fuel cells for direct electricity generation from biogas/biomethane.