紫外線-光触媒-オゾン系による染料廃液の処理反応における温度の影響

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タイトル別名
  • シガイセン ヒカリショクバイ オゾンケイ ニ ヨル センリョウ ハイエキ ノ ショリ ハンノウ ニ オケル オンド ノ エイキョウ
  • Effect of the Temperature on the Treatment of the Textile Dye Wastewater Using the Combination of Ozone and Photocatalyst

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説明

Ozonolysis combined with photocataolysis was used as a new approach for the treatment of textile dye wastewater containing azo dyes. The aqueous solution of Reactive Black 5 was used as a model wastewater of the textile dye. The reaction rates in the color reduction increased with the raise in temperature. The reduction in the total organic carbon (TOC) amounted to 80% of the initial value at room temperature in 180min in the treatment by the combination of ozonolysis and photocatalysis. It amounted to 90% of the initial value at 70℃ also in 180min in three types of treatments, i.e. ozonolyisis, ozonolysis-photolysis and ozonolysis-photocatalysis but when the temperature was raised, evaporation of some intermediates was found to occur.

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