A gas scrubber system for purifying waste gas into clean air has first and second waste gas combustors for oxidizing waste gas introduced thereinto by heat and hot filtering particulates present in the oxidized waste gas, a gas channel switching unit for controlling flow of the waste gas introduced into...http://www.google.es/patents/US20020068024?utm_source=gb-gplus-sharePatente US20020068024 - Gas scrubber system
