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.

An adsorbent system including a body having or defining a channel therein, wherein the body is configured to be coupled to a humidity-controlled environment such that a first end of the channel is in selective fluid communication with the ambient environment and such that a second end of the channel is in fluid communication with said humidity-controlled environment. The system further includes an adsorbent material in the channel, wherein the channel and adsorbent material are configured such that inlet fluid flowing from the first end to the second end through the channel is flowable over the adsorbent material, and such that outlet fluid flowing from the second end to the first end is flowable over a majority of the adsorbent material that is flowable over by the inlet fluid. The system also includes a valve system positioned at or adjacent to or in fluid communication with the first end of the channel.

A breather is disclosed. The breather may have a breather housing, a desiccant material, and a moisture indicator. The breather housing may be configured to receive at least an air flow containing moisture. The desiccant material may be contained within the breather housing, and the desiccant material may be enclosed by a breather wall. The moisture indicator may be located within the breather housing, and the moisture indicator may be positioned between the desiccant material and an internal side of the breather wall. The moisture indicator may provide a visible representation of an amount of moisture adsorbed by the desiccant breather. The visible representation of the moisture indicator may be visually observable through the breather wall. The desiccant material may be configured to adsorb up to about forty percent (40%) of the desiccant material's weight in moisture.

Disclosed herein are processes and systems for removing heavy C5+ hydrocarbon components from a natural gas feed gas by subjecting the natural gas feed gas stream to an adsorber. The adsorber in the processes and systems described herein operating at a pressure that may be associated with improved adsorption capacity and longer breakthrough time.

The present invention is directed to a method and system of purifying hydrogen supplied from a storage cavern, particularly to removing methane and other hydrocarbons from the hydrogen withdrawn from the cavern by using selective adsorption. The adsorbed impurities can be removed from the adsorbent by increasing the temperature, reducing the pressure, or a combination of both.

A porous sorbent ceramic product includes a three-dimensional structure having an electrically conductive ceramic material, wherein the conductive ceramic material has an open cell structure with a plurality of intra-material pores, a sorbent additive primarily present in the intra-material pores of the conductive ceramic material for adsorption of a gas, and at least two electrodes in electrical communication with the conductive ceramic material.

A system for distilling water is disclosed. The system comprises a heat source, and a plurality of open-cycle adsorption stages, each stage comprising a plurality of beds and an evaporator and a condenser between a first bed and a second bed, wherein each bed comprises at least two vapor valves, a plurality of hollow tubes, a plurality of channels adapted for transferring water vapor to and from at least one of the condenser or the evaporator, a thermally conductive water vapor adsorbent, and wherein each vapor valve connects a bed to either the condenser or the evaporator.

Air purification and dehumidification apparatus includes a first cooler that cools air introduced through a first inlet, a first rotor that primarily adsorbs and absorbs VOCs and moisture contained in the air cooled by the first cooler, an air conditioning unit that cools or heats the air primarily purified and dehumidified by the first rotor, a blower that moves the air cooled or heated by the air conditioning unit, a second rotor that adsorbs and absorbs VOCs and moisture remaining in the air moved by the blower, a second cooler that re-cools the air secondarily purified and dehumidified by the second rotor, a first heating unit that heats air that is introduced through a second inlet and is then supplied to the first rotor, using sequentially solar energy and electric energy, and a third cooler that condenses air containing the VOCs and moisture that are released from the first rotor.

Embodiments of the present disclosure are directed to systems and methods for removing formaldehyde from indoor air. Some embodiments include flowing an indoor airflow over and/or through a solid supported amine filtering medium, such that, at least a portion of formaldehyde entrained in the indoor airflow is removed therefrom. Some other embodiments include systems having one or more fans for providing velocity to one and/or another airflows (e.g., airflows to/from a formaldehyde filter).

The present invention relates yolk-shell nanoparticles having both a high stability towards sintering and high H.sub.25 adsorption capacities, the use of the yolk-shell nanoparticles in a method for H.sub.2S removal from gas streams, and a corresponding method for H.sub.2S removal from gas streams also comprising the regeneration of the yolk-shell nanoparticles, wherein the yolk-shell nanoparticles provide for high H.sub.2 adsorption capacities and/or high reusability.