초록 ▼

A process of air purification occurs in the presence of activated carbon or its equivalent by decomposing adsorbed hazardous materials, such as volatile organic compounds, on the carbon surface by radiofrequency energy in the microwave range at near ambient conditions of temperature and pressure. Fu

A process of air purification occurs in the presence of activated carbon or its equivalent by decomposing adsorbed hazardous materials, such as volatile organic compounds, on the carbon surface by radiofrequency energy in the microwave range at near ambient conditions of temperature and pressure. Further microwave oxidation to nonhazardous gases occurs in the presence of an oxidation catalyst.

대표청구항 ▼

[I claim:] [1.]adsorbing impurities from said gaseous stream with an unsaturated bed of carbonaceous material until a substantially saturated bed occurs while producing a clean release gas;irradiating said substantially saturated bed with microwaves while a simultaneous sweep gas removes desorbed va

[I claim:] [1.]adsorbing impurities from said gaseous stream with an unsaturated bed of carbonaceous material until a substantially saturated bed occurs while producing a clean release gas;irradiating said substantially saturated bed with microwaves while a simultaneous sweep gas removes desorbed vapors;passing said sweep gas through an oxidation catalyst bed irradiated by microwaves, wherein said oxidation catalyst is deposited upon a microwave absorbing substrate, and wherein sufficient oxygen is added to obtain substantially complete oxidation of remaining vapors;passing said sweep gas through an alkaline solution scrubber to remove halide acids; andreleasing the non-hazardous sweep gas.