Pollutant remediating corona discharge chamber

Details Pollutant remediating corona discharge chamber Pollutant remediating corona discharge chamber

1997-05-30

1998-12-01

Gorgos, Kathryn L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

With means applying electromagnetic wave energy or...

422907, 588227, B01J 1908

Patent

active

058433830

ABSTRACT:
A pollutant destruction system connects a capacitive corona discharge chamber in a self-resonant circuit with an inductive element. Intermittent energizing signals are furnished from a power supply to induce corona discharges within the chamber, with the resonant circuit responding to the energizing signals by initiating additional corona discharges between energizing signals in a highly energy efficient operation. One or more discharge chambers can be provided in the resonant circuit, with each discharge chamber comprising a dielectric enclosure with a distributed electrode outside and an elongate electrode inside the enclosure. The inner electrode can extend either along the chamber axis, or along the inner chamber wall for better support and heat dissipation. The energizing pulse frequency can be controlled in various ways, such as in response to a termination of corona discharges, an increase in the pollutant concentration or an acceleration of an engine whose exhaust is being treated, or the pulses can be applied at a fixed rate.

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Yamamoto et al., "Decomposition of Volatile Organic Compounds by a Packed Bed Reactor and a Pulsed-Corona Plasma Reactor", Non-Thermal Plasma Techniques for Pollution Control, NATO ASI Series vol. G34 Part B, Ed. by B.M. Pentrante and S.E. Schultheis, Springer-Verlag Berlin Heidelberg, 1993, pp. 87-89 (No month available).
Rosocha et al., "Treatment of Hazardous Organic Wastes Using Silent-Discharge Plasmas", Non-Thermal Plasma Techiques for Pollution Control, NATO ASI Series vol. G34 Part B, Ed. By B.M. Penetrante and S.E. Schultheis, Springer-Verlag Berlin Heidelberg, 1993, pp. 79-90 (No month available).
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