Abstract: Separation unit (1) for separating at least one gaseous component from a gas mixture, or arrangement of such separation units, wherein it comprises at least one circumferential wall element(s) (5), said circumferential wall element(s) defining an upstream opening (31) and an opposed downstream opening (32) of at least one cavity (3) containing at least one gas adsorption structure (4) for adsorbing said gaseous component under ambient pressure and/or temperature conditions, or an array of at least two such cavities (3), wherein the separation unit (1) comprises a pair of opposing sliding doors (12) for sealing the openings of a cavity (3) and preferably allowing for evacuating a cavity (3), and wherein the pair of opposing sliding doors (12) can be shifted in a direction essentially parallel to the plane of the respective sliding door (12) and to allow for flow through of gas mixture through the gas adsorption structure (4).

Abstract: A machine learning method and system for predictive maintenance of a dryer. The method includes obtaining over a communication network, an information associated with the dryer and receiving measurements of a vibration level of one of a process blower, a cassette motor and a regeneration blower associated with the dryer. Further, an anomaly is determined based on at least one of a back pressure and a fault and balance of at least one of the process blower and the regeneration blower is tracked. An alarm for maintenance is raised when one of an anomaly and an off-balance is detected.

Abstract: A machine learning method and system for predictive maintenance of a dryer. The method includes obtaining over a communication network, an information associated with the dryer and receiving measurements of a vibration level of one of a process blower, a cassette motor and a regeneration blower associated with the dryer. Further, an anomaly is determined based on at least one of a back pressure and a fault and balance of at least one of the process blower and the regeneration blower is tracked. An alarm for maintenance is raised when one of an anomaly and an off-balance is detected.

Abstract: Methods and systems for continuous pressure swing adsorption separation of a pressurized feed gas stream, the method including separating hydrocarbons heavier than methane from the pressurized feed gas stream to produce at least two product streams, a first product stream being substantially pure methane, and a second product stream being substantially comprised of components with a greater molecular weight than methane.

Abstract: Some embodiments of the disclosure correspond to, for example, a method for controlling a scrubber containing an adsorbent. The scrubber may be configured to cycle between scrubbing at least one pollutant/gas from a stream of gases with the pollutant/gas being adsorbed onto the adsorbent, and regenerating at least some of the adsorbent and thereby purging at least some of the one pollutant and/or first gas from the adsorbent via a regeneration gas flow. The method may include flowing a stream of gases through the scrubber, the scrubber including the adsorbent and adsorbing at least some of the one pollutant/gas from the stream of gases onto the adsorbent during an adsorption phase over a first time period. The method may also include purging at least a portion of the one pollutant/gas from the adsorbent during a regeneration phase over a second time period with a regeneration gas flow, and cycling therebetween.

Abstract: A system and method to recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray, the concentration of the liquid desiccant may be dynamically changed based on changes within the system. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

Abstract: The invention relates to a method of separating oxygen from an oxygen comprising gas, the method comprising the steps of: performing at least a first and a second period of oxygen separation, the first and the second period of oxygen separation each comprising the steps of guiding an oxygen comprising gas to the primary side of an oxygen separation device (12, 14), the oxygen separation device (12, 14) comprising an oxygen separation sorbent (16, 18), and generating a flow of oxygen enriched gas out of the oxygen separation device (12, 14) by creating a pressure difference between the primary side and the secondary side of the oxygen separation device (12, 14), and performing a cooling period between the first and the second period of oxygen separation, wherein the cooling period comprises the steps of guiding a flushing sorbate through the oxygen separation device (12, 14), the flushing sorbate having an adsorption energy e1 with respect to the oxygen separation sorbent (16, 18), and guiding a cooling sorbat

Abstract: A device recovers water from an ambient airstream. The device includes a chamber having a group of trays that hold respective amounts of liquid desiccant. A foam media element in each tray absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and control device operation. The desiccant trays may be selectively configurable in an array to best suit the intended installation. The trays may be arranged in column and row configurations, along with adjustable airflow patterns between each of the trays.

Abstract: Disclosed is an oxygen enrichment that can follow changes in adsorption performance in response to changes in the temperature of the usage environment and can reduce power consumption. The oxygen enrichment device has a purge step control means that controls a purge step time to increase/decrease the length of a purge step so as to maximize the oxygen concentration by changing opening/closing timing of a flow-channel switching means while the oxygen enrichment device is running.

Abstract: A trap canister for adsorbing fuel vapor contained in break-through gas discharged from a main canister. The trap canister may include a trap case having an adsorption chamber defined therein and containing an adsorption material, so that the break-through gas flows through the adsorption material in a gas flow direction. The adsorption chamber may include a gas introduction side and a gas outlet side located on a downstream side of the gas introduction side along the gas flow direction. The adsorption chamber may have a passage with a cross-sectional area gradually decreasing from the gas introduction side toward the gas outlet side. The trap canister may further include a temperature control device configured to control the temperature of the adsorption material.

Abstract: A system and method to recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. Fans, valves, and manifolds are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. The airflow within the chamber and/or each tray is altered depending upon the settings of configurable airflow manifolds. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

Abstract: The present invention provides a method and process for effectively purging desiccant air dryer systems from moisture load, by a ‘deep cooling’ regeneration means with the use of a primary high heating and a secondary low heating blower purge air flows, a heater discharge temperature set point, and a bottom area bed temperature of a vessel containing desiccant. The system of an improved heat regenerating desiccant compressed air dryer having means to terminate heating operations as well as cooling and dry purge operations allowing for the newly regenerated tower vessel to come back on-line for a compressed air drying cycle without negative effects of dew point bumps and outlet heat spike. Such dryer system delivers a high confidence of dried compressed air while saving energy, unnecessary cycling of heater and contactors and time.

Abstract: A fuel vapor processing apparatus may include a latent heat storage material that releases latent heat during desorption of fuel vapor from an adsorption material.

Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

Abstract: A hybrid operating apparatus including an absolute humidity sensing unit configured to sense an absolute humidity of air supplied to a dehumidifying rotor; a dew point temperature sensing unit configured to sense a dew point temperature of air returned from a dry room; a regeneration exhaust temperature sensing unit configured to sense a temperature of exhaust air regenerated in the dehumidifying rotor; a control unit configured to operate the regenerative heater to a regeneration temperature corresponding to the sensed absolute humidity; and a memory unit configured to store the regeneration temperature of the regenerative heater.

Abstract: A method of removing CO2 from an input gas stream, the method comprising reacting a solid sorbent with the input gas stream to remove CO2 from the input gas stream in a carboniser; reacting the solid sorbent from the carboniser in a calciner to release the CO2 into a substantially pure gas stream; exchanging heat between the carboniser and calciner; and controlling a CO2 partial pressure and temperature in the carboniser and a CO2 partial pressure and temperature in the calciner such that the temperature in the carboniser is higher than the temperature in the calciner for providing heat from the carboniser to the calciner.

Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to dynamically control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger, powered by a variety of power sources, adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

Abstract: A method to recover water from the atmosphere is provided. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A media material absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. The configuration of the media material enables maximal water extraction and is dynamically configurable. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

Abstract: A method is provided for estimating the degree of saturation (S) of a reversible solid ammonia storage material (3) in a storage unit (1). The storage unit (1) is equipped with a heater (2) to release ammonia and a connected tube (4) for ammonia flow. The initial temperature (TINIT) is measured with a sensor (9) in or around the storage unit (1) before any heating is initiated. Heating is initiated while recording the active time of heating (t) or the amount of energy (Q) released by the heater. The desorption pressure created by solid storage material in the storage unit (1) is measured via a pressure sensor (8) in fluid communication with the storage unit (1). The time (tTARGET), or the heat (QTARGET) where the pressure reaches a certain target pressure (PTARGET) is recorded. The values of the target-pressure time (tTARGET), or the target-pressure heat (QTARGET), and the initial temperature (TINIT) are used to compute an approximate degree of saturation (S).

Abstract: A fuel vapor removal method includes removing fuel vapor from ullage of a fuel tank of a vehicle, adsorbing the fuel vapor removed from the ullage onto adsorption media on the vehicle, and desorbing the fuel vapor from the adsorption media while on the vehicle. A fuel vapor removal method includes purging fuel vapor from ullage of a fuel tank using air added into the ullage, reducing a fuel-air ratio in the ullage using the air purging, and adsorbing the purged fuel vapor onto adsorption media. A fuel vapor removal system includes a fuel tank having ullage, an adsorption system including fuel vapor adsorption media fluidically connected to the ullage and to an ullage purging system, and a controller. The controller includes a flammability determination system and is configured to start fuel vapor removal by the purging system from the ullage onto the adsorption media before the ullage exhibits flammability.

Abstract: The present invention provides a method and process for effectively purging desiccant air dryer systems from moisture load, by a ‘deep cooling’ regeneration means with the use of a primary high heating and a secondary low heating blower purge air flows, a heater discharge temperature set point, and a bottom area bed temperature of a vessel containing desiccant. The system of an improved heat regenerating desiccant compressed air dryer having means to terminate heating operations as well as cooling and dry purge operations allowing for the newly regenerated tower vessel to come back on-line for a compressed air drying cycle without negative effects of dew point bumps and outlet heat spike. Such dryer system delivers a high confidence of dried compressed air while saving energy, unnecessary cycling of heater and contactors and time.

Abstract: Granular material is dehumidified by: a) arranging a dehumidification plant having at least one hopper for containing the granular material, having a feed mouth and an output mouth, and at least one dry air generator fluidically connected to a dry air distributor inside the hopper; b) loading granular material into the hopper through the feed mouth; c) measuring the degree of initial humidity of the granular material entering the hopper; d) calculating on the basis of the values of initial humidity measured, the dehumidifying capacity of the dry air flow through the hopper needed to achieve predefined residual humidity values in the granular material leaving the hopper, the residence time of the granular material inside the hopper being fixed; e) generating a dry air flow through said hopper having a dehumidifying capacity calculated in the calculating step d).

Abstract: A fuel vapor removal method for an aircraft includes removing an ullage mixture from ullage of a fuel tank of an aircraft, exposing the ullage mixture to adsorption media on the aircraft to reduce its fuel-air ratio, and returning the reduced fuel-air ratio ullage mixture to the fuel tank. A fuel vapor removal system onboard an aircraft includes a fuel tank, having ullage containing an ullage mixture, a pumping device, configured to pump the ullage mixture in a closed loop from the fuel tank ullage and back, an adsorption system, interposed in the closed loop, and a controller, including a microprocessor and system memory. The adsorption system includes an adsorber having adsorption media capable of adsorbing fuel vapor from the ullage mixture, and the controller is programmed to activate the pumping device, to pump the ullage mixture from the ullage, through the adsorption system, and return a reduced fuel-air ratio ullage mixture back to the ullage.

Abstract: A system for utilizing solar energy for home utility supply includes an air collector coupled to a solar module disposed to collect ambient air carrying thermal energy generated from the solar module. The system includes an energy transfer module (ETM) comprising a first heat-exchanger configured to process a first air stream from the air collector and output a second air stream carrying a portion of the thermal energy. Additionally, the system includes an air-conditioning module for processing a third air stream from interior space. The system includes an air processor comprising a desiccant material to pre-condition the third air stream utilizing the second air stream in the ETM and form a fourth air stream for the air-conditioning module and a fifth air stream in the ETM. Furthermore, the system uses a second heat-exchanger to process the fourth air stream and form a six air stream with reduced temperature and humidity.

Abstract: A dehydrator for dehydrating air supplied to a power related or mechanical device includes a first container configured to hold a desiccant, a first heater arranged with the first container configured to heat the desiccant in the first container, a second container configured to hold a desiccant, and a second heater arranged with the second container configured to heat the desiccant in the second container. The dehydrator further includes a conduit configured to selectively connect one of the first container and the second container to the power related or mechanical device and a controller configured to selectively operate one of the first heater and the second heater.

Abstract: A cyclic adsorption process is provided having pressurization and depressurization steps and driven by one or more centrifugal machines operating under acceleration and deceleration conditions wherein the deceleration rate of the machine is controlled to minimize power consumption and maximize the efficiency of the process. The operating speed of the centrifugal machine during deceleration is matched to the measured pressure ratio conditions so that the centrifugal machine arrives at its minimum operating speed near the point required to begin acceleration.

Abstract: An object of the present invention is to provide a heavy metal removing apparatus which can efficiently remove the heavy metal contained in the dust produced by burning of the raw material containing the heavy metal, and a cement production system comprising the heavy metal removing apparatus. The heavy metal removing apparatus 10 comprises a cyclone separator 11 which separates exhaust gas containing the heavy metal from a part of the dust heated to a temperature equal to or more than a temperature at which the heavy metal can volatilize, a bag filter 13 which is connected to the subsequent stage of the cyclone separator 11 and separates the exhaust gas containing the heavy metal from the remainder of the dust, and a heavy metal removal tower 14 which is connected to the subsequent stage of the bag filter and removes the heavy metal from the exhaust gas.

Abstract: A cyclic adsorption process is provided having pressurization and depressurization steps and driven by one or more centrifugal machines operating under acceleration and deceleration conditions wherein the deceleration rate of the machine is controlled to minimize power consumption and maximize the efficiency of the process. The operating speed of the centrifugal machine during deceleration is matched to the measured ratio pressure conditions so that the centrifugal machine arrives at its minimum operating speed near the point required to begin acceleration.

Abstract: Some embodiments of the disclosure correspond to, for example, a system for scrubbing a mixture of gases and/or contaminants from indoor air from an enclosed space to remove at least one gas and/or contaminant from the mixture of gases and/or contaminants. The system may include one or more adsorbent materials configured to be cycled between adsorption and regeneration of at least one of gas and/or contaminant from the mixture of gases and/or contaminants via a temperature swing adsorption cycle (for example), regeneration means configured to regenerate one or more adsorbent materials. The regeneration means may be configured at a regeneration temperature to regenerate the one or more adsorbent materials.

Abstract: A system and System for removing CO2 from an input gas stream. The system comprises a carboniser segment configured such that a solid sorbent reacts therein with the input gas stream to remove CO2 from the input gas stream; a calciner segment configured such that the solid sorbent from the carboniser segment reacts therein to release the CO2 into a substantially pure gas stream; a heat exchanger unit for exchanging heat between the carboniser and calciner segments; a first conditioning unit for controlling a CO2 partial pressure in the carboniser segment; and a second conditioning unit for controlling a CO2 partial pressure in the calciner segment; wherein the first and second conditioning units are configured such that a difference between the CO2 partial pressures in the carboniser and calciner segments respectively is controlled such that heat is provided from the carboniser to the calciner through the heat exchanging unit.

Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

Abstract: A system and method recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

Abstract: A gas purification system for cleaning a carbon dioxide rich flue gas generated in a boiler combusting a fuel in the presence of a gas containing oxygen. The gas purification system includes a compressor for compressing the carbon dioxide rich flue gas, a first gas cooler for cooling the compressed carbon dioxide rich flue gas, a mercury adsorber arranged downstream of the first gas cooler for removing at least a portion of a mercury content of the cooled compressed carbon dioxide rich flue gas, a second gas cooler arranged downstream of the mercury adsorber for further cooling the compressed carbon dioxide rich flue gas, and a gas drier for removing at least a portion of a water content of the further cooled compressed carbon dioxide rich flue gas.

Abstract: Embodiments of the invention are directed towards a trap canister for adsorbing fuel vapor contained in breakthrough gas discharged from a main adsorbent canister. The main adsorbent canister is connected to a fuel tank has a case defining an adsorption chamber therein and an adsorbent filled in the adsorption chamber. The case has a first end open to the atmosphere and a second end for introducing breakthrough gas into the adsorption chamber. The adsorbent filled in the adsorption chamber adsorbs the fuel vapor contained in the breakthrough gas. The trap canister further has a bypass path for bypassing the adsorption chamber and a valve configured to block the bypass path and to allow for opening during refueling. This prevents the fuel vapor from flowing into the atmosphere during normal operation while also decreasing pressure loss during refueling.

Abstract: A trap canister for adsorbing fuel vapor contained in break-through gas discharged from a main canister. The trap canister may include a trap case having an adsorption chamber defined therein and containing an adsorption material, so that the break-through gas flows through the adsorption material in a gas flow direction. The adsorption chamber may include a gas introduction side and a gas outlet side located on a downstream side of the gas introduction side along the gas flow direction. The adsorption chamber may have a passage with a cross-sectional area gradually decreasing from the gas introduction side toward the gas outlet side. The trap canister may further include a temperature control device configured to control the temperature of the adsorption material.

Abstract: The invention relates to a sorption dryer, comprising: at least one passage through which a gas, particularly air, is fed during use; wherein the or each passage is provided with a sorption material; heating means for heating the sorption material at least locally in order to regenerate the sorption material; a temperature gauge for measuring a temperature representative of the moisture content of the sorption material; and control means for controlling the heating means subject to the measured temperature, wherein the control means are adapted to at least temporarily deactivate the heating means when the measured temperature is higher than a predetermined temperature.

Abstract: Systems and methods for producing a product gas are provided. In one embodiment, a system includes at least one separation bed to separate adsorbable components from a gas source, a valving means to selectively direct gas from the gas source to the at least one separation bed, at least one sensing device associated with the at least one separation bed to sense the progress of an adsorption zone within the separation bed, and a controller. The controller includes logic to read the output of the at least one sensing device and control the gas separation process based on the progress of the adsorption zone.

Abstract: A gas concentrating system is provided. The system includes, for example, a gas separation system having at least one separation space, at least one sensor connected to the separation space and providing at least one output signal indicative of the progress of gas separation, at least one pump system associated with gas separation system; and a controller. The controller includes, for example, logic reading the sensor output signal and logic controlling at least one parameter of the pump system based on the sensor output signal. The parameter of the pump system can be any parameter affecting the characteristics or operation of the pump system. Examples are disclosed but are not intended to be limiting.

Abstract: An aircraft fuel tank ventilation system, comprising a desiccative dehumidifying device including a desiccant medium disposed in flow communication between a vent open to the atmosphere and a fuel tank, and a microwave energy transmitter for energizing liquid water in the desiccant medium to facilitate regeneration of the medium. Also, a method of regenerating a desiccant medium of a dehumidifying device of an aircraft fuel tank ventilation system, the method comprising directing air through the desiccant medium, and transmitting microwave energy into the desiccant medium for energizing liquid water in the desiccant medium to facilitate regeneration of the medium.

Abstract: In the invention, a collection device includes a flow through micro scale plate arranged to collect analyte. The plate includes holes, and sorbent coating on contact surfaces of the plate. The holes pass analyte fluid flow, for example analyte vapor so that fluid flow for collection may be generally perpendicular to the sorbent plate. Preferred embodiment plates include an integrated heater trace. In preferred embodiments, a high substantially perpendicular flow is used for collection and concentration, and during desorption and delivery a low substantially parallel flow is used. The low flow is selected to meet constraints of a detector system.

Abstract: A device for adsorption treatment of a fluid or fluid stream, comprising a container for receiving adsorber material, wherein the container has a fluid inlet opening and a fluid outlet opening, and two fluid connection devices, wherein one of the fluid connection devices is provided at the fluid inlet opening and the other one of the fluid connection devices is provided at the fluid outlet opening, wherein the fluid connection devices are locked in a fluid-tight manner and are designed in such a way that they can each be connected to a fluid line connector and unlocked and, if they are connected to the respective fluid line connector they can be unlocked or are unlocked.

Abstract: A carbon dioxide recovery system is provided, in which, a filling rate of the carbon dioxide sorbent in the container indicated by f [%] is positive and larger than or equal to the value obtained by the following expression of 100×(p/(RT))×(x?C)/(a×(100+x/r?100×x/(rC)?x)+(p/(RT))×(x?C)), with respect to the effective molar quantity of the captured carbon dioxide per 1 L of the carbon dioxide sorbent (=a) of the carbon dioxide sorbent to be used, wherein a demanded concentration of recovered carbon dioxide is indicated by x [%], and an amount of the captured gases other than carbon dioxide is indicated by r, and a concentration of dried carbon dioxide in a carbon dioxide-containing gas is indicated by C [%], and a total pressure of the carbon dioxide sorbent occurring when carbon dioxide is captured is indicated by p [Pa].

Abstract: A fuel vapor processing apparatus may include a latent heat storage material that releases latent heat during desorption of fuel vapor from an adsorption material.

Abstract: The present invention provides an apparatus which stably provides highly concentrated oxygen to a patient, regardless of an environmental temperature and/or a highly concentrated oxygen gas flow rate. The present invention is an oxygen concentrator characterized in that an oxygen concentration sensor detecting a concentration of the oxygen gas produced by the oxygen concentrator, a temperature sensor measuring an environmental temperature and/or a flow rate sensor are provided, a control increasing/decreasing a supply airflow volume of the compressed air supply device based on a detected oxygen concentration detected value to maintain an oxygen concentration at a predetermined concentration is performed, and a control device is switched based on a value measured by the temperature sensor and/or flow rate sensor of the apparatus.

Abstract: A method and system for automated control of the operating temperature setpoint of a circulating fluidized bed (CFB) scrubber within a pre-determined range of approach temperatures to the adiabatic saturation temperature of the CFB scrubber exhaust stream to maintain an optimal operating temperature, thereby reducing low temperature sulfuric acid corrosion and deposition of wet materials, and high temperature excess reagent use. A Dewcon® Moisture Analyzer (or equivalent) is connected in the exhaust stream of the CFB scrubber. The Dewcon® Moisture Analyzer transmits adiabatic saturation temperature data of the exhaust stream to the CFB scrubber system controller. Based on pre-programmed parameters, the system controller adjusts the CFB scrubber temperature setpoint.

Abstract: An oxidizing gas purification apparatus (1) for a fuel cell (7) has a compressor (2) that compresses oxidizing gas and sends the oxidizing gas; a cooling apparatus (4), disposed downstream from the compressor (2), that cools the oxidizing gas passing therethrough; an adsorbent unit (5b), disposed downstream from the cooling apparatus (4), that houses an adsorbent (5a) that adsorbs impurities included in the oxidizing gas sent from the cooling apparatus (4) at a prescribed adsorption temperature and releases the adsorbed impurities at a prescribed thermal regeneration temperature that is above the prescribed adsorption temperature by control of the operation of the cooling apparatus (4) to cool the oxidizing gas that has a temperature above the prescribed adsorption temperature and that is sent from the compressor (2).