A cooling and gas dehumidifying system comprising a cooling circuit in which a thermal fluid is circulated. The system further comprises a cooling arrangement arranged in the cooling circuit and configured to cool the thermal fluid flowing therethrough. A consumer gives up heat energy to the thermal fluid flowing through the cooling circuit. A gas dehumidifier having a heat exchanger arrangement is configured to be thermally coupled in a gas dehumidifying operating state with the thermal fluid flowing through the cooling circuit downstream of the cooling arrangement and having a first temperature, and thereby give up heat energy to the thermal fluid, and to be thermally coupled in a de-icing operating state with the thermal fluid flowing through the cooling circuit downstream of the consumer and having a second temperature, and thereby absorb heat energy from the thermal fluid, the second temperature being higher than the first temperature.

A humidifier/dehumidifier device is disclosed herein. The humidifier and dehumidifier both, respectively, evaporate water from and condense water into a shared (same) water storage container. The device is fitted with an air intake and at least one air outtake. In embodiments of the technology, one or more of the air intakes receives air from outdoors. One or both of an indoor and/or the outdoor intake is used to receive air based on a determination that an indoor and outdoor humidity and temperature is most efficient to achieve a desired indoor humidity or temperature.

A power-to-X system having an electrolyzer and an energy converter which are connected together via a hydrogen line. The system additionally has a chemical reactor for catalytically removing oxygen, a first heat exchanger, a water separator, a store, and a humidifier which are connected into the hydrogen line in the stated order one behind the other between the electrolyzer and the energy converter. A second heat exchanger is arranged in the hydrogen line such that a first side of the second heat exchanger is arranged in front of the first heat exchanger and a second side of the second heat exchanger is arranged downstream of the water separator in the hydrogen line.

A water extractor for an environmental control system of an aircraft includes a separation mechanism configured to divide an airflow into a first airflow and a second airflow. The separation mechanism includes an inlet conduit, a body in fluid communication with the inlet conduit, and at least one coalescing feature arranged within an interior of the body. A water extraction vessel is arranged in fluid communication with the separation mechanism. The water extraction vessel includes a first portion for receiving the first airflow and a second portion for receiving the second airflow. The first portion is configured to collect and remove water from the first airflow.

The water-dispensing system with wheelchair comprises a water generation system, a condensate pump, a condensate filter, a power circuit, a water storage reservoir, a housing, a flexible tubing, and a wheelchair. The wheelchair further comprises a backrest and a bench. The housing contains the water generation system, the condensate pump, the condensate filter, the power circuit, the water storage reservoir, and the flexible tubing. The water generation system, the condensate pump, the condensate filter, and the flexible tubing are fluidically connected. The housing mounts on the wheelchair. The water generation system and the condensate pump electrically connect to the power circuit. The water generation system and the condensate pump receive electric energy from the power circuit.

The water-dispensing system with ice maker comprises a water generation system, a condensate pump, a condensate filter, and an ice maker. The ice maker further comprises a water storage reservoir and a power circuit. The water generation system, the condensate pump, and the condensate filter are fluidically connected. The condensate filter fluidically connects to the water storage reservoir of the ice maker. The water generation system and the condensate pump electrically connect to the power circuit. The water-dispensing system with ice maker is powered using electrical energy provided by a power circuit provisioned through the ice maker.

The water-dispensing system with a dog bowl comprises a water generation system, a condensate pump, a condensate filter, a power circuit, a water storage reservoir, a housing, a release valve, and a watering device. The watering device further comprises a water pan and a housing pedestal. The housing contains the water generation system, the condensate pump, the condensate filter, the power circuit, the water storage reservoir, and the release valve. The water generation system, the condensate pump, the condensate filter, and the release valve are fluidically connected. The housing mounts on the watering device. The water generation system and the condensate pump electrically connect to the power circuit. The water generation system and the condensate pump receive electric energy from the power circuit.

Fuel tank inerting systems are described. The systems include a fuel tank, a catalytic reactor arranged to receive a reactant mixture comprising a first reactant and a second reactant to generate an inert gas to be supplied to the fuel tank to fill an ullage space of the fuel tank, a condenser heat exchanger arranged between the catalytic reactor and the fuel tank and configured to cool an output from the catalytic reactor, and a fan assembly arranged within an inerting system flow path upstream of the catalytic reactor, wherein the fan assembly is arranged within a gas flow having a temperature of at least 185° C.

A system for extracting water from the atmosphere is disclosed. The system has a vapor absorber vessel, an absorption cycle pump, a flash drum vapor desorber, a vapor condenser, an output conduit, and a heat exchanger. The vessel has an atmospheric air inlet and outlet ports, at least one liquid desiccant inlet port, at least two liquid desiccant outlet ports, and a surface on which the liquid desiccant flows between the at least one liquid desiccant inlet port and the at least two liquid desiccant outlet ports. The pump is adapted to circulate a first portion of the liquid desiccant from a first of the outlet ports to the at least one inlet port. The desorber is adapted to receive a second portion of the liquid desiccant from a second of the outlet ports, after passage through an expansion valve, the desorber incorporates a heat exchanger for supplying heat to liquid desiccant therein. The condenser receives desorbed vapor from the desorber, the condenser incorporates condensation surfaces adapted to be cooled to a temperature of less than 20° C., for enabling the condensing of the desorbed vapor to water. The output conduit collects water condensed in the condenser. The heat exchanger is located such that it receives desorbed heated liquid desiccant from the desorber and transfers part of its sensible heat to vapor-charged liquid desiccant passing from the vessel to the desorber.

Process for producing biomethane from a biogas stream including methane, carbon dioxide and at least one impurity chosen from ammonia, volatile organic compounds, water, sulfur-based impurities (H.sub.2S) and siloxanes. A biogas stream is dried, the at least one impurity is at least partially removed by solidification and removal of the impurity. The methane and the carbon dioxide contained in the biogas obtained from the second step are separated so as to produce a biomethane stream and a CO.sub.2 stream.