Patent ID: 6924140

Claim:
A system which remediates pollutants and toxins on site which comprises: (a) a work station which generates HAP's and/or VOC's; (b) an air ducting system adjacent said work station which captures said HAP/VOC's; (c) at least one self-contained removable biofilter cartridge positioned adjacent to said work station, wherein said cartridge contains a source of selected microorganisms which function to degrade said HAP/VOC's; and wherein said cartridge comprises an outer housing having a pair of oppositely disposed open ends, said cartridge being further positioned by insertion between a closure member which contains an exhaust port positioned at one end of said housing, and a second closure member in the form of a water reservoir positioned at said opposite end of said housing with said reservoir further containing an inlet for a source of air to be treated with said inlet and said exhaust port being connected to said ducting system, and circulation means positioned to promote the flow of air through said system; and (d) where in operation, captured HAP/VOC's are transported to and through said air ducting system and cartridge which recirculates remediated air back to the source point of the pollutants at said work station, and where when a given cartridge is spent or damaged from use, it may be readily removed from the system and a new cartridge inserted in its place.