Electric discharge plasma technologies

Photopolymerization and Plasma Polymerization. The use of ultraviolet light alone (14) as well as the use of electrically excited plasmas or glow discharges to generate monomers capable of undergoing VDP have been explored. The products of these two processes, called plasma polymers, continue to receive considerable scientific attention. Interest in these approaches is enhanced by the fact that the feedstock material from which the monomer capable of VDP is generated is often inexpensive and readily available. In spite of these widespread scientific efforts, however, commercial use of the technologies is quite limited. 

Sunka, P Babicky, V Clupek, M Lukes, P Simek, M Schmidt, J Cemak, M. Generation of chemically active species by electrical discharges in water. Plasma Sources Science and Technology, 1999 8 (2), 258-265. 

PACT (2) [Plasma And Catalyst integrated Technology] A process for oxidizing gaseous pollutants in gas streams. The gas is passed through an electrical discharge between metal electrodes having catalytically active surfaces. The electrodes either vibrate or rotate. Invented in 1993 by Fujitsu Ltd., Japan, and further developed at the University of Connecticut. 

Recently, energy-efficient and powerful plasma-cherrrical systems have been developed based on microwave discharges. The skin effect in this case permits simultaneous achievement of a high level of electron derrsity and a high electric field (and hence a high electron temperatirre as well) in the relatively cold gas. Microwave plasma technology permits derrse ( e = 10 cm ) non-eqrrihbrirrm plasmas to be generated T = 1-2 e ( = 3000-... 

Plasma arc technology ntilizes the electrical discharge of a gas to prodnce a field of intense radiant energy and high-... 

Plasma arc technology utilizes electrical discharges to produce a field of intense radiant energy and high-temperature ions and electrons that cause dissociation of chemical compounds in a containment vessel. Operating at electron temperatures as high as 20,000°C, material exposed to the plasma environment is transformed into atoms, ions, and electrons. 

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