摘要:
A composite particle comprising a fluorinated surface and a discontinuous layer of gold nanoparticles disposed on the fluorinated surface, articles that include such particles, and methods of using the particles and the articles for removal of ethylene.
摘要:
Active element 20 for trapping and/or releasing a gaseous or liquid substance comprising a solid body 1 which is enveloped by an outer boundary surface S and which consists of an active material adapted to trap and/or release a gaseous or liquid substance, wherein the outer boundary surface S has an overall roundish, preferably round shape. The active element 20 is manufactured by injection moulding and can be contained within a container 40.
摘要:
A flavorant-carrying adsorbent particle comprising an adsorbent core particle having a BET specific surface area of 700 m 2 /g or greater, and a flavor-generating medium carried on the surface of the adsorbent core particle and including a flavorant and a flavorant-holding material holding the flavorant, wherein the flavorant-holding material is present in an amount of 5 to 20% with respect to a total weight of the flavorant-carrying adsorbent particle, and the flavorant is present in an amount of 10 to 50% with respect to a weight of the flavorant-holding material.
摘要:
Biogenic activated carbon compositions disclosed herein comprise at least 55 wt% carbon, some of which may be present as graphene, and have high surface areas, such as Iodine Numbers of greater than 2000. Some embodiments provide biogenic activated carbon that is responsive to a magnetic field. A continuous process for producing biogenic activated carbon comprises countercurrently contacting, by mechanical means, a feedstock with a vapor stream comprising an activation agent including water and/or carbon dioxide; removing vapor from the reaction zone; recycling at least some of the separated vapor stream, or a thermally treated form thereof, to an inlet of the reaction zone(s) and/or to the feedstock; and recovering solids from the reaction zone(s) as biogenic activated carbon. Methods of using the biogenic activated carbon are disclosed.
摘要:
Provided herein are a parallel passage contractors, which may be useful in pressure swing adsorption (PSA), pressure and temperature swing adsorption (PTSA), or vacuum pressure swing adsorption (VPSA) systems, having one or more self-supported adsorbent sheets arranged in multiple, overlapping layers mechanically spaced to allow gas flow. Also provided are systems utilizing such parallel passage contactors and methods for preparing the contactors.
摘要:
Gold and silver adsorbed on activated carbon are efficiently eluted. The method of eluting gold and silver adsorbed on activated carbon, the method comprises: eluting gold and silver on activated carbon, on which at least the gold and silver are adsorbed, by using an aqueous thiosulfate solution that is maintained at less than pH 7.