Volatile compounds removal device and method

Details Volatile compounds removal device and method Volatile compounds removal device and method

C - Chemistry, Metallurgy

12

S

C12S 5/00 (2006.01) B01D 53/44 (2006.01) B01D 53/85 (2006.01)

Patent

CA 2168596

Device with a biological filter for removing volatile, hydrophobic compounds from gas emissions, a method of manufacturing such a biological filter and a method of removing said compounds from said gas emissions. A device for the removal of volatile, hydrophobic compounds, particularly styrene, from gas emissions comprises a biological filter which consists of a carrier material provided with a biologically active material. According to the invention the carrier material consists of porous particles of a hydrophilic material and the biologically active material comprises a fungus covering the porous particles. An acid environment resides in said filter allowing the fungus to survive but counteracting any bacterial growth. The particles encase pores which provide a passage to said gas emissions, which accordingly will enter the mycelium of the fungus by which they are effectively decomposed. The filter is manufactured by cultivating the fungus on the carrier material with the aid of the compound which is to be removed. In order to be able to make a filter quickly with a homogenous distribution of the fungus therein, it is preferable to use a spore forming fungus.

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