NDLI: Atmospheric pressure plasma jet technology applied to chem/bio decontamination

Content Provider	IEEE Xplore Digital Library
Author	Herrmann, H.W. Selwyn, G.S. Henins, I. Park, J.
Copyright Year	2000
Description	Author affiliation: Los Alamos Nat. Lab., NM, USA (Herrmann, H.W.)
Abstract	Summary form only given. The possibility of an attack using chemical or biological warfare (CBW) agents in either a domestic terrorism or military situation has become all too real in recent history. This has been made evident by the 1995 sarin nerve gas attack on the Tokyo subway and the threat of chem/bio warfare in the Persian Gulf and Korea. The U.S. has stepped up efforts in defence against these horrific agents, particularly in the areas of detection and decontamination. Atmospheric pressure plasma jet (APPJ) technology may provide a much needed method of CBW decontamination which, unlike traditional decon methods, is dry and nondestructive to sensitive equipment and materials. The APPJ discharge uses a high-flow feedgas consisting primarily of an inert carrier gas, such as He, and a small amount of a reactive additive, such as O/sub 2/, which flows between capacitively-coupled electrodes powered at 13.56 MHz. A nonthermal plasma formed between the electrodes generates highly reactive metastable and atomic species of oxygen through energetic electron impact. These reactive species are then directed onto a contaminated surface. The reactive effluent of the APPJ has been shown to effectively neutralize VX nerve agent as well as simulants for anthrax and mustard blister agent. Research efforts are now being directed towards reducing He consumption and increasing the allowable stand-off distance.
File Size	112289
File Format	PDF
ISBN	0780359828
ISSN	07309244
DOI	10.1109/PLASMA.2000.854540
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-06-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Atmospheric-pressure plasmas Plasma chemistry Chemical technology Decontamination Plasma materials processing Helium Electrodes Terrorism Military aircraft History
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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