Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1977-05-23
1978-12-19
Padgett, Benjamin R.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250540, 250541, B01K 100
Patent
active
041304900
ABSTRACT:
A radio-frequency glow discharge reactor for removing trace oxidizable contaminants from an oxygen bearing atmosphere including a reaction chamber defined by an inner metal electrode facing a dielectric backed by an outer conductive electrode. In one embodiment, a conductive liquid forms the conductor of an outer electrode and cools the dielectric. A resonator coupled to a variable radio-frequency source generates the high voltages for creating a glow discharge in the chamber at a predetermined pressure whereby the trace contaminants are oxidized into a few simple non-toxic products that may be easily recovered. The corresponding process for removal of trace contaminants from an oxygen-bearing atmosphere with high efficiency independent of the concentration level is also disclosed.
REFERENCES:
patent: 1316342 (1919-09-01), Walden
patent: 1803600 (1931-05-01), Daily
patent: 3833492 (1974-09-01), Bollyky
patent: 3875034 (1975-04-01), Adams et al.
patent: 3979193 (1976-09-01), Sikich
Flamm, D. L., "A Model and Apparatus for Electrical Discharge Experiments," Ind. Eng. Chem., Fundame, 14(3), 1975, pp. 263-272.
Flamm, D. L. et al., "Oxidation of Contaminative Methane Traces . . . ", Environmental Sciences & Technology, 10(6), Jun., 1976, pp. 591-595.
Flamm Daniel L.
Lovelace Alan M. Administrator of the National Aeronautics and Space
Wydeven, Jr. Theodore J.
Brekke Darrell G.
Kyle Deborah L.
Manning John R.
McMillan Armand
Padgett Benjamin R.
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