Reactive bed plasma air purification

Details Reactive bed plasma air purification Reactive bed plasma air purification

1989-08-31

1990-09-04

Lechert, Jr., Stephen J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

With means applying electromagnetic wave energy or...

422184, 422186, 4221863, 55131, 55101, 55 75, 423210, B01J 1908

Patent

active

049543202

ABSTRACT:
The Reactive Bed Plasma is a novel air purification and material processing evice which may efficiently treat both toxic chemicals and hazardous aerosols. The Reactive Bed Plasma device embodies an active alternating current discharge plasma permeating a dielectric packed bed. Advantages of this device include an increased power efficiency by the elimination of dielectric barriers (characteristic of ozonizer devices); a selectively increased residence time of contaminants in the active plasma zones through interaction with the packing material (analogous to chromotographic separations); also a reduced size and power consumption while maintaining high processing efficiency. Further advantages include greatly increased operating lifetime without failure due to electrical arcing (problematic with ozonizers) or poisoning of the packing surfaces (problematic with adsorbents and catalysts); an achievement of a high processing efficiency at low temperature; a control over plasma air by-product formation; and the promotion of chemical and physical reactions simultaneously in a single device heretofore requiring several vastly different devices (promoting photoionoization, catalytic oxidation, plasma-induced decomposition, combustion, electrostatic precipitation, or plasma etching processes).

REFERENCES:
patent: 4086152 (1978-04-01), Rich et al.
patent: 4095115 (1978-06-01), Orr, Jr. et al.

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