Courtesy of: Ozone: Science & Engineering The Journal of the International Ozone Association
Authors: Nobuyuki Takahashi , Toshiyuki Hibino , Hisatomo Torii , Shingo Shibata , Shinya Tasaka , Jun Yoneya , show all
Pages 331-337 | Accepted author version posted online: 02 May 2013, Published online: 02 May 2013
The degradation of 1,4-dioxane was investigated on a laboratory scale. The extents of degradation and/or removal of 1,4-dioxane by ozonation at pH 6–8, UV irradiation, aeration, and addition of H2O2 were very limited. On the other hand, the degradation of 1,4-dioxane by O3/UV and O3/H2O2 was accelerated compared with the above respective methods. The amounts of 1,4-dioxane degraded per amount of ozone consumed in O3/UV and O3/H2O2 were also higher than in ozonation. The amount of 1,4-dioxane degraded in O3/UV was affected by the intensity of UV irradiation, and that in O3/H2O2 was affected by the amount of H2O2 added only in the case of a high initial concentration of 1,4-dioxane.
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