... formaldehyde, benzene, toluene, dimethylbenzene, ammonia and TVOC, odors and bacteria into harmless CO2 and H2O. Nano-TiO2 photocatalyst is an ... , benzene, toluene, dimethylbenzene, ammonia and TVOC, odors, bacteria, viruses and microorganisms into harmless CO2 and H2O. In addition, it has ... the organic pollutants on the TiO2 surface into CO2 and H2O, and to oxidize or reduce inorganic contaminants to ...