Integrated systems comprising both i) heat and mass exchange systems and ii) electrolysis stacks are disclosed, together with related methods of use. The disclosed systems cool and/or dehumidify air using two streams of salt solutions as liquid desiccants.

Method to scrub ozone in an ozone scrubber comprising a gas-liquid contactor adapted to bring a reducing liquid in contact with an inlet gas comprising ozone, the method comprising the steps of: supplying the inlet gas to the gas-liquid contactor, supplying fresh reducing liquid to the gas-liquid contactor, the fresh reducing liquid comprising an aqueous solution of a reducing agent, scrubbing ozone of the inlet gas by a reduction reaction with the reducing liquid under acidic pH conditions.

A purification composition, comprising 50-60% by weight of ash and 40-50% by weight of liquid. A method for producing the purification composition, comprising: measuring an amount of ash, combining the ash and liquid, wherein an amount of the liquid is based on the amount of the ash, adjusting a temperature of the combination of the ash and the liquid by adjusting a temperature of the liquid and mixing the ash and the liquid. A method for purifying a flue gas by the purification composition, comprising: combining the purification composition and vapour to form a chute, adding the chute to the flue gas, adding the purification composition to the flue gas and over-pressuring the flue gas and adding more of the purification composition to the flue gas and under-pressuring the flue gas.

A water generation system for generating liquid water from a process gas containing water vapor is disclosed. In various embodiments, the water generation systems comprise a solar thermal unit, a condenser and a controller configured to operate the water generation system between a loading operational mode and a release operational mode for the production of liquid water. A method of generating water from a process gas is disclosed herein. In various embodiments, the method comprises flowing a process gas into a solar thermal unit, transitioning from the loading operational mode to a release operational mode; flowing a regeneration fluid into the solar thermal unit and the condenser during the release operational mode; and, condensing water vapor from the regeneration fluid to produce liquid water.

Embodiments may include a hydrogen sulfide scrubber system that includes a charging chamber, a reaction vessel, and a treated gas trap. Embodiments may include a mobile vehicle, vessel, or platform that includes a mobile vehicle, vessel, or platform with a mounted hydrogen sulfide scrubber system. The hydrogen sulfide scrubber system is configured as previously described. Embodiments may include a method of using a hydrogen sulfide scrubber system.

This disclosure provides a halogenated activated carbon composition comprising carbon, a halogenated compound and a salt. In some embodiments, the halogenated compound and the salt comprise a naturally occurring salt mixture, as may be obtained from ocean water, salt lake water, rock salt, salt brine wells, for example. In some embodiments, the naturally occurring salt mixture comprises Dead Sea salt.

This disclosure provides a halogenated activated carbon composition comprising carbon, a halogenated compound and a salt. In some embodiments, the halogenated compound and the salt comprise a naturally occurring salt mixture, as may be obtained from ocean water, salt lake water, rock salt, salt brine wells, for example. In some embodiments, the naturally occurring salt mixture comprises Dead Sea salt.

Capturing mercury or arsenic heavy metal from a moist gas containing water vapour, by: a) cooling the moist gas by heat exchange with a heat transfer fluid produced in e) in order to obtain a gas cooled to a temperature Tf, vaporizing the heat transfer fluid; b) separating condensed water and condensates contained in the cooled gas obtained in a) obtaining a gas depleted in water and a liquid stream containing water; c) compressing vaporized heat transfer fluid obtained from a) obtaining compressed heat transfer fluid; d) heating water-depleted gas by heat exchange with compressed heat transfer fluid obtained in c) obtaining a cooled heat transfer fluid and a gas reheated to a temperature Tc; e) decompressing cooled heat transfer fluid obtained in d), recycling heat transfer fluid to a); f) contacting reheated gas obtained in d) with a capture mass for said heavy metal.

A purification composition, comprising 50-60% by weight of ash and 40-50% by weight of liquid. A method for producing the purification composition, comprising: measuring an amount of ash, combining the ash and liquid, wherein an amount of the liquid is based on the amount of the ash, adjusting a temperature of the combination of the ash and the liquid by adjusting a temperature of the liquid and mixing the ash and the liquid. A method for purifying a flue gas by the purification composition, comprising: combining the purification composition and vapour to form a chute, adding the chute to the flue gas, adding the purification composition to the flue gas and over-pressuring the flue gas and adding more of the purification composition to the flue gas and under-pressuring the flue gas.

This disclosure provides a halogenated activated carbon composition comprising carbon, a halogenated compound and a salt. In some embodiments, the halogenated compound and the salt comprise a naturally occurring salt mixture, as may be obtained from ocean water, salt lake water, rock salt, salt brine wells, for example. In some embodiments, the naturally occurring salt mixture comprises Dead Sea salt.