A method of destroying a fluorocarbon compound includes regenerating an adsorbent to remove the fluorocarbon compound and to produce a regeneration fluid having a concentration of the fluorocarbon compound and directing the regeneration fluid to an electro-oxidation system. The method also includes applying a current to the electro-oxidation system to oxidize the fluorocarbon compound within the regeneration fluid and measuring a quantity of fluorides in the regeneration fluid to determine the progress of the removal of the fluorocarbon compound from the regeneration fluid.

A method for harvesting water includes contacting a nanoporous carbon (NPC) material with a stream of humid atmospheric air, thereby at least partially absorbing water in the form of molecules on surfaces and pores of the NPC material to form a sample, releasing the water from the sample by thermally heating the sample or exposing the sample to ultraviolet-visible (UV-Vis) radiation; and collecting the water. A method of making the NPC material by calcining one or more petroleum feedstocks is also disclosed.

A carbon capture composite particle comprising a core and a shell, wherein: (i) the core of the carbon capture composite particle comprises a liquid sorbent reactive with carbon dioxide; and (ii) the shell of the carbon capture composite particle encapsulates said core and comprises a multiplicity of hydrophobic-coated oxide particles, wherein gas-permeable spacings are present between the hydrophobic-coated oxide particles, and said hydrophobic-coated oxide particles have a main group or transition metal oxide inner portion encapsulated by a coating of hydrophobic molecules. Also described herein is a method for capturing carbon dioxide by contacting a gaseous source containing CO.sub.2 with the above-described carbon capture particles. Also described herein is an apparatus with a microwave-transparent or radiofrequency-transparent column (or window in the column) for regenerating carbon capture particles that have been reacted with CO.sub.2 by exposing the particles to microwave or radiofrequency electromagnetic radiation for direct conductive heating.

A system includes a vessel including an inlet configured to receive a thermal energy source, the vessel connected to a feeder for introducing a solid sorbent to an interior of the vessel and a collector configured to receive the solid sorbent for removal of the solid sorbent from the vessel. The system also includes a heat exchanger disposed within the vessel, the heat exchanger configured to hold the solid sorbent and facilitate a heat exchange process between the solid sorbent and the thermal energy source, and an isolation system configured to isolate the interior of the vessel during introducing the solid sorbent into the vessel and/or during removing the solid sorbent from the vessel.

The present invention is directed to a method, device and system to capture carbon dioxide in air using solid amine sorbents and using a radio frequency and/or microwave generator to desorb the carbon dioxide by directly exciting the amine-carbon bond thereby significantly reducing the energy cost of releasing the carbon dioxide.

A self-supporting dehumidifying porous material is comprised of a backbone polymeric matrix optionally with graphitic nanomaterials dispersed throughout. The backbone polymeric matrix can be a reversible hydrogel. The macroporous material can be used as a dehumidifying material for reducing energy consumption in air conditioning/climate control units. Common graphitic nanomaterials are electrically conductive, such as conductive carbon nanoparticles, carbon nanotubes, or graphitic nanofibers.

Methods and apparatuses for manufacturing portions of absorbent articles may include or facilitate conveying a substrate through a nip formed between a first device and a second device, transmitting vibrational energy from the second device toward the first device via the nip to alter the substrate, and cooling the second device by transferring thermal energy from the second device.