... Biofilm Reactor) wastewater treatment.(2). Biological treatment of wastewater reuse.(3).River regulation: denitrification, dephosphorization, ... ): denitrification, decarbonization, improve the living environment of fish.(5). Biological deodorization: biological deodorization tower ... according to customer requirements. 4. The technical indices of Biocell filter media: SpecificationmmΦ25X12Φ25X9Specific ...