Characterization of single-walled carbon nanotubes for environmental implications

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Adsorption capacities of N2 and various organic vapors (methyl-ethyl ketone (MEK), toluene, and cyclohexane) on select electric-arc and HiPco produced single walled carbon nanotubes (SWNT) were measured at 77 and 298 K, respectively. The amount of N2 adsorbed on a SWNT sample depended on the sample purity, methodology, and on the sample age. Adsorption capacities of organic vapors (100-1000 ppm vol) on SWNT in humid conditions were much higher than those for microporous activated carbons. These results established a foundation for additional studies related to potential environmental applications of SWNT. The MEK adsorption capacities of samples EA95 and CVD80 and mesoporous tire-derived activated carbon in humid conditions were lower than in dry conditions. This is an abstract of a paper presented at the AIChE Annual Meeting (Austin, TX 11/7-12/2004).

Additional publication details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Characterization of single-walled carbon nanotubes for environmental implications
Year Published:
Larger Work Title:
AIChE Annual Meeting, Conference Proceedings
Conference Title:
2004 AIChE Annual Meeting
Conference Location:
Austin, TX
Conference Date:
7 November 2004 through 12 November 2004