“…• Water Treatment: to reduce in great amount the chlorine use, without form chlorinated organ compound (Rice, 1997;Tech Brief, 1999); • Medicine/dentistry: like active medicine and dental surgery, presenting and displaying viral inactivation, bactericidal and fungicide effect (Bocci, 2006;Azarpazhooh and Limeback, 2008); • Industrial Processes: to reduce the use of chemical agents, as chlorine; to reduce the residual pesticides on food (Brooks and Pierce, 1990;Wu et al, 2007). According to many authors (Brooks and Pierce, 1990;Seafish, 1997;Tech Brief, 1999;King, 2001;Bocci, 2006) ozone also has many advantages:…”