Electrodeless plasma torch apparatus and methods for the dissoci

Details Electrodeless plasma torch apparatus and methods for the dissoci Electrodeless plasma torch apparatus and methods for the dissoci

1991-08-16

1994-02-22

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912143, 21912137, 21912148, 21912159, 21912154, 373 22, 110250, 110242, B23K 900, F23G 510

Patent

active

052889696

ABSTRACT:
A system and method are provided for the non-thermal destruction of hazardous waste material using an electrodeless inductively coupled RF plasma torch. The waste material is combined with a controllable source of free electrons, and the RF plasma torch is used to excite the free electrons, raising their temperature to 3000.degree. C. or more. The electrons are maintained at this temperature for a sufficient time to enable the free electrons to dissociate the waste material as a result of collisions and ultraviolet radiation generated in situ by electron-molecule collisions. The source of free electrons is preferably an inert gas such as argon, which may be used as both the waste material carrier gas and the torch gas.

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"Electrotechnologies for Waste and Water Treatment," EPRI EM-5418, Project 2416-25, Final Report, Oct. 1987.
Staley, Laurel J., "Hazardous Waste Decontamination with Plasma Reactors," HMC, Mar./Apr. 1990, pp. 67-71.

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