Abstract: Provided herein are methods of novel methods of synthesizing a metal-organic framework system by vapor-phase appending of a plurality of ligands appended to a metal-organic framework. Also, provided are methods of recycling metal-organic framework systems by detaching the ligand and re-appending the same ligand or appending a different ligand to the metal-organic framework to provide a recycled or repurposed metal-organic framework system.

Abstract: Mist and vapor eliminating filters, devices, methods of filtering aircraft air using the devices, and systems including the devices, are disclosed.

Abstract: The present invention is directed to an intensified process cycle that utilizes the adsorption beds present to a substantially greater degree allowing the processing of significantly more gas and/or the generation of significantly more product. The elimination of purge steps, reduction in equalization step times, and introduction of overlapping feed and equalization steps which normally cause a degradation in performance for equilibrium-based cycles, frees extra step for other actions to be taken, such as additional equalization steps, etc.

Abstract: An incubator for cell and tissue culture under controlled atmospheric conditions has a primary air flow control device that forms a primary, preferably laminar flow, air veil across an opening that allows access to the cells or tissue cultures disposed within the incubator. Preferably, most if not all of the air in the primary (laminar flow) air veil is recirculated, and a secondary air flow control device is used that forms a secondary, preferably laminar flow, air veil between the primary (laminar flow) air veil and a user of the incubator.

Abstract: A heat resistant regenerable air filter assembly for an air supplying application an air permeable adsorbent panel (1) mounted in a frame (2), said panel comprising a heat resistant structure comprising a heat resistant porous adsorbent material for adsorbing molecular contamination and being configured to be regenerated by desorption, and said air filter assembly comprising a heat resistant sealing material (3) between the adsorbent panel and the frame, where the heat resistant sealing material is a carbon fiber felt material arranged between the air permeable adsorbent panel and the frame so as to fill the distance therebetween, thereby preventing leakage of unfiltered air through the heat regenerable air filter assembly; and a method (100) of regenerating the air filter assembly.

Abstract: Some embodiments of the disclosure provide a trace nickel-compounded layered magnesium composite material, a method for preparing the composite material, and use thereof. In some examples, the trace nickel-compounded layered magnesium composite material includes a nano-layered magnesium matrix and nano nickel. The nano nickel is distributed on a surface and between inner layers of the nano-layered magnesium matrix. In other examples, the nano-layered magnesium matrix in the composite material has a size of 10-20 nm, a layer thickness of 10-200 nm, and a layer spacing of 10-100 nm. The mass content of the nano nickel in the composite material is 2-6%. The nano nickel in the composite material has a particle size of 3-50 nm.

Abstract: A gas adsorption and separation apparatus has an adsorption functional module and a functional module. A main functional portion of the adsorption functional module is an adsorption series composed of two or more adsorption units arranged in sequence The adsorption series has a head end and a tail end. A gas to be separated passes through the adsorption series in a direction from the head end to the tail end. When reaching a preset degree of saturation adsorption of the adsorbate gas, the adsorption unit located at the head end is detached from the adsorption series and enters the further functional module and sequentially re-enters the adsorption series from the tail end. Each adsorption unit is an adsorptive fixed bed composed of an adsorbent and a mechanical support structure and has a proper mechanical strength and good permeability.

Abstract: A portable pressure swing adsorption method and system for fuel gas conditioning. A fuel gas conditioning system includes a pressure swing adsorption (PSA) system fluidly coupled to a rich gas stream, the PSA system including a plurality of adsorbent beds and configured to condition the rich natural gas stream and produce therefrom a high-quality fuel gas and gaseous separated heavier hydrocarbons, a product end of the adsorbent beds fluidly coupled to a fuel gas line, wherein the high-quality fuel gas is discharged from the product end and supplied to the fuel gas line, and a feed end of the adsorbent beds configured to be fluidly coupled to the rich natural gas stream or a raw natural gas stream, wherein the produced gaseous separated heavier hydrocarbons are recirculated into the rich natural gas stream or the raw natural gas stream.

Abstract: The invention relates to a method for managing a PSA unit having at least N adsorbers arranged in pairs, where each pair is designed to be able to be selectively isolated, a control device, and a plurality of interfaces for accessing the instrumentation of each adsorber. When a first pair is fluidically isolated, the first pair having a first and a second adsorber, the isolating of a third adsorber includes setting the control device to control N-4 adsorbers, fluidically isolating a second pair having the third and a fourth adsorber, isolating one of the first and second adsorbers and the third adsorber, configuring the interfaces so as to swap over the instrumentation of the other of the first and second adsorbers and the instrumentation of the fourth adsorber, placing the first and second pairs in fluidic communication, and setting the control device to control N-2 adsorbers.

Abstract: This disclosure relates to techniques for producing liquid water from ambient air. In certain embodiments, a system includes a regeneration fluid pathway configured to receive a regeneration fluid and a thermal unit configured to heat the regeneration fluid. The system can further include a continuous desiccant unit that comprises an adsorption zone and a desorption zone, as well as a batch desiccant unit that includes a regeneration inlet and a batch desiccant housing. The batch desiccant housing can include a batch desiccant inlet configured to input the ambient air, a batch desiccant outlet configured to output a batch output fluid, and a batch desiccant material. A condenser unit can be configured to produce liquid water from the regeneration fluid, and the system can maximize a water production rate of the condenser unit based on an amount of heat carried by the regeneration fluid.

Abstract: A unit for purifying a gas mixture by adsorption, including at least one adsorber having at least one cluster of N identical adsorbent modules operating in parallel, where N?2, each cluster of N adsorbent modules includes a common inlet manifold having a straight inlet duct of axis Xe supplying N inlet nozzles Tei, where i ranges from 1 to N, respectively connected to the inlets Ei, where i ranges from 1 to N, of the N modules of the cluster, a common outlet manifold having a straight outlet duct of axis Xs collecting the flow leaving the N outlet nozzles Tsi, where i ranges from 1 to N, respectively connected to the outlets Si, where i ranges from 1, of the N modules of the cluster.

Abstract: A process for producing a purified gas stream having impurities, using a production unit for producing a gas stream and a storage reservoir. The process includes producing a first gas stream by means of the production unit. Storing at least a portion of the first gas stream in the storage reservoir. Extracting, from the storage reservoir, a second gas stream corresponding to at least one portion of the first stream polluted by the impurities. Purifying the second gas stream by transfer of at least one portion of the impurities contained in the second gas stream into the first gas stream. And recovery of the purified gas stream at the output of the purification.

Abstract: An apparatus is used for concentrating malodorous organic pollutant waste gas by using an adsorption method. The specific solution is to provide a plurality of parallel fixed-bed adsorbers and a set of movable hot air desorption apparatuses which can be connected to at least one of the plurality of parallel fixed-bed adsorbers in sequence, and to respectively complete desorption of all parallel fixed adsorbent beds by means of the movable hot air desorption apparatuses. In the improved solution, the movable hot air desorption apparatus is connected to two adsorption units, and a regenerative heat exchange apparatus is provided on an inlet and outlet pipeline of the hot air desorption apparatus. The desorption process of the regenerative fixed-bed adsorbers is changed from concentrated desorption requiring high-power energy consumption to stepwise desorption requiring low-power energy consumption.

Abstract: Embodiments of the invention are directed to methods, processes, and systems for safely and reliably purifying hydrogen from a gas mixture containing hydrogen and oxygen.

Abstract: A system for pressure swing adsorption including: a plurality of beds each performing at least one of an adsorbing process, a pressure equalizing process, a vacuum process, or a pressurizing process; a supply valve provided in each of the beds and connected to a mixed gas supply unit to supply a mixed gas to the bed; a discharge valve provided in each of the beds and connected to a hydrogen gas discharge unit to discharge hydrogen generated in the bed; a vacuum valve provided in each of the beds and connected to a vacuum pump so as to be open to the vacuum pump during the vacuum process of the bed; and a control unit that controls the supply valve, the discharge valve, and the vacuum valve to allow each of the beds to perform the adsorbing process, the pressure equalizing process, the vacuum process, or the pressurizing process.

Abstract: Systems for generation of liquid water are provided. In embodiments, the systems comprise a thermal desiccant unit comprising a porous hygroscopic material located within a housing including a fluid inlet and a fluid outlet, a working fluid that accumulates heat and water vapor upon flowing from fluid inlet of the housing, through the porous hygroscopic material, and to the fluid outlet of the housing, a condenser comprising a fluid inlet and a fluid outlet for condensing water vapor from the working fluid; an enthalpy exchange unit operatively coupled between the thermal desiccant unit and the condenser, wherein the enthalpy exchange unit transfers enthalpy between the working fluid output from the thermal desiccant unit and the working fluid input to the thermal desiccant unit, and, wherein the enthalpy exchange unit transfers enthalpy between the working fluid output from the condenser and the working fluid input to the condenser.

Abstract: An evaporative emission control canister system comprises an initial adsorbent volume having an effective incremental adsorption capacity at 25° C. of greater than 35 grams n-butane/L between vapor concentration of 5 vol % and 50 vol % n-butane, and at least one subsequent adsorbent volume having an effective incremental adsorption capacity at 25° C. of less than 35 grams n-butane/L between vapor concentration of 5 vol % and 50 vol % n-butane, an effective butane working capacity (BWC) of less than 3 g/dL, and a g-total BWC of between 2 grams and 6 grams. The evaporative emission control canister system has a two-day diurnal breathing loss (DBL) emissions of no more than 20 mg at no more than 210 liters of purge applied after the 40 g/hr butane loading step.

Abstract: A relofted, spunbonded nonwoven web exhibiting a solidity of from less than 8.0%, to at least 3.0%, and exhibiting a Quality Factor of at least 0.30. Methods of making a relofted web; and, methods of using a relofted web as an air-filtration web, e.g. as a filter media or a layer thereof.

Abstract: A ventilator, including an enclosure; a tubing configured to receive an input gas; a flow outlet airline in fluid communication with the tubing, wherein the flow outlet airline includes an airline outlet, and the flow outlet airline is configured to supply an output gas to a user via the airline outlet; a breath detection airline including an airline inlet, wherein the airline inlet is separated from the airline outlet of the flow outlet airline, and the breath detection airline is configured to receive breathing gas from the user during exhalation by the user via the airline inlet; a pressure sensor in direct fluid communication with the breath detection airline, wherein the pressure sensor is configured to measure breathing pressure from the user, and the pressure sensor is configured to generate sensor data indicative of breathing by the user.

Abstract: Apparatuses, systems, and methods are provided for and in conjunction with n external oil coalescing apparatus for receiving an air flow containing oil; a honeycomb material for coalescing oil contained in the air flow; a first end for receiving the air flow containing oil; and a second for emitting air from the apparatus.