FIELD: filtration technics. SUBSTANCE: invention relates to gas-treatment filtering materials and can find use in air cleanup systems for residential and industrial food cooking rooms. Material is composed of bioproduct (0.01-30%) and carrier. The former consists of one or mixture of compounds selected from natural or synthetic porphyrins and the latter can be clay, fluoroplastic, peat, silica gel, alumina, nonwoven metal (mostly aluminum) fiber material, cellulose and its derivatives, graphite, wood sawdust, zeolites, inert organic or inorganic matrix, or polymer material. EFFECT: achieved safe and practically complete removal of heavy metal complexes, fats, organic resins, and other injurious substances. 5 cl, 1 tbl, 16 ex
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