BIOFILTRO QUE COMPRENDE ESCORIA NEGRA DE HORNO DE ARCO ELECTRICO Y SUS APLICACIONES.

摘要

The invention relates to a biofilter comprising black slag from an electric arc furnace as a filler material and micro-organisms capable of breaking down one or more pollutant substances such as volatile organic compounds (VOCs), hydrogen disulphide (H2S), carbon sulphide (CS2) and any combination of same. The invention also relates to a method for purifying a gas stream containing at least one biodegradable gaseous pollutant by means of biofiltration in which the gas stream containing at least one biodegradable gaseous pollutant is made to pass through the biofilter.