Sequential adsorptive capture and catalytic oxidation of volatil

Details Sequential adsorptive capture and catalytic oxidation of volatil Sequential adsorptive capture and catalytic oxidation of volatil

1998-03-20

2000-03-07

Griffin, Steven P.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

423240R, 423240S, 423235, 423236, 4232391, 4232421, 42324401, 42324402, 42324403, 42324404, 42324409, 4232441, 4232451, 4232453, 423246, 423247, 588205, 588206, 588207, 588215, B01D 4700, B01J 800, A62D 300

Patent

active

060336382

ABSTRACT:
A method for adsorbing and oxidizing VOC's in the same bed, thus reducing the size of or even eliminating the need for a catalytic or thermal oxidation unit at the end of the system. In this system, a catalyst is intimately interspersed with the adsorbent material. The catalyst oxidizes VOC's released during desorption when it reaches the `light off temperature,` that is, the catalyst temperature necessary for oxidation to begin. As VOC's are desorbed, they are combusted by the catalyst in the same bed and also by their combustion, heat the bed to aid in the desorption of VOC's elsewhere in the bed.

REFERENCES:
patent: 4088460 (1978-05-01), Winter
patent: 4846852 (1989-07-01), Schweitzer et al.
patent: 4863494 (1989-09-01), Hayes
patent: 5414201 (1995-05-01), Greene

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