Systems and methods for generating water for an end user are provided herein. The systems include a water generating unit that utilizes and/or controls internal heat sources, as well as external heat, electricity, and/or fluid sources, in response to ambient conditions. The systems may be monitored, optimized, and controlled remotely.

According to the present invention there is provided a device and method for atmospheric water harvesting operative in an alternating sequence of an absorption phase and a desorption phase. The device comprises an air permeable adsorbent substrate being subject to an atmospheric airflow during the absorption phase and being subject to a circulated airflow during the desorption phase. The device further comprises a liquid heated heat radiation element embedded in the adsorbent substrate and a heated liquid heating media being circulated in the heat radiation element during the desorption phase. The device may further comprise air shutters, where the direction of the atmospheric airflow being substantially transversal to the direction of the circulated airflow. The air shutters are capable of blocking an entrance and an exit of the atmospheric airflow during the desorption phase.

Systems and methods relating to a wearable atmospheric water generation device are described herein. Systems can comprise a sorbent material within a sorbent chamber configured to capture water vapor from ambient air and can be configured to produce a reduced pressure condition within the sorbent chamber, thereby desorbing water from the sorbent material. The systems can further comprise a condenser for producing liquid water from the desorbed water vapor.

A freshwater harvesting assembly includes a micro-scale component selected from a polymer, a foam, and a membrane; a water-sorption material selected from metal-organic framework (MOF), nanosilica gel, and superabsorbent polymer; wherein the water-sorption material is incorporated within the micro-scale component to thereby provide a water-sorption-material-containing micro-scale component; and a housing carrying the water-sorption-material-containing micro-scale component.

Devices suitable for use in an advanced oxidation method for organic and inorganic pollutants deploying OH* radicals and ozone is disclosed. Optionally, a first discharge device, providing OH* radicals and second discharge device providing ozone, are combined to provide desirable chemical and biocidal characteristics. Further, efficient mixing systems for transferring the radicals to the target fluid are disclosed.

An exhaust moisture removal system for an electric generation system including: a sorbent wheel; an interchanger; a hydrogen evaporator including an exhaust portion; and an exhaust outflow stream passageway configured to convey an exhaust from a hydrogen fuel cell of the electric generation system through a first pass and then through a second pass, the second pass being located downstream of the first pass, wherein the first pass of the exhaust outflow stream passageway passes through the sorbent wheel, then through the interchanger, and then through the hydrogen evaporator, and wherein the second pass of the exhaust outflow stream passageway passes through the hydrogen evaporator, then through the interchanger, and then through the sorbent wheel.

A modular humidity control system is provided. An example system includes a body configured for attachment with a food storage housing. The body may define a closed circuit air flow path for circulating air through the food storage housing. The system also includes a desiccant element secured within the closed circuit air flow path that removes moisture from the moisture-laden air passing through the closed circuit air flow path, and stores the removed moisture. The system further includes a regeneration system that monitors a saturation of the desiccant element. In an instance in which the saturation of the desiccant element exceeds a saturation threshold, the regeneration system may evaporate at least a portion of the moisture stored by the desiccant element.

This disclosure is related to systems, methods, apparatuses, and techniques for generating water using waste heat. In certain embodiments, a system includes a water generating unit and a waste-heat-generating-system. The water generating unit can be configured to generate the water and comprises a desiccation device and a condenser coupled to the desiccation device. The waste-heat-generating-system can generate the waste heat when operating or is use. The water generating unit can be configured to use waste heat generated by the waste-heat-generating-system to generate the water.

Provided is a humidity conditioning material with which an amount of absorbed moisture or an amount of released moisture is easily understood. Moreover, provided is a humidity conditioning device including the above humidity conditioning material. Furthermore, provided is a method for manufacturing a humidity conditioning material with which an amount of absorbed moisture or an amount of released moisture is easily understood, and the humidity conditioning material has high humidity conditioning performance. In addition, the humidity conditioning material includes: a humidity conditioning liquid containing a hygroscopic substance; and a holding portion holding the humidity conditioning liquid into a predetermined shape. The holding portion is formed of a polymeric material. The hygroscopic substance contains a hygroscopic metal salt. The humidity conditioning liquid contains a pH indicator, and changes in color in accordance with an amount of moisture contained in the humidity conditioning liquid.

The fine water discharging element capable of transitioning between an adsorption state where water contained in a fluid to be treated is adsorbed and a discharge state where the adsorbed water is discharged to the fluid to be treated, the fine water discharging element comprising a base material portion, a plurality of particles and a nanochannel formed between the shell portions by laminating the plurality of particles on an outer surface of the base material portion in a rich viscoelasticity film shape. The fine water discharging element is transitioned between the adsorption state and the discharged state by changing the temperature of the water in the nanochannel by controlling an electrifying of at least one of the base material portion and the plurality of particles.