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銀觸媒完全氧化VOCs之活性碳討

Deep Oxidation of VOCs Catalysed by Silver-metal Oxide Composites

摘要


本研究製備一系列具有不同的銀及錳、鈰成分及比例的觸媒,在固定的WHSV之下進行異丙醇及丙酮的完全氧化反應。發現降低Ag比例以及加入Mn及Ce雙成分助觸媒,具有優於單一成分助觸媒的氧化活性。最佳的結果是Ag-Mn-Ce莫耳比為20-40-40的觸媒,其對於IPA及Acetone的T_(98)分別降低到190℃及200℃。此結果亦可說明IPA在觸媒氧化反應過程中應該被直接成氧化成CO_2和H_2O,並沒有生成中間產物Acetone。觸媒配方的研究結果可以做為開發低成本VOCs觸媒的參考。

並列摘要


This work was targeted to enhance the activity of the silver catalyst for low temperature oxidation of VOCs. The methodology used to meet the goal was the optimization of the loading of the Silver-manganese-cerium catalyst. The activity of Ag-Mn-Ce, 20-40-40 mole ratio, is higher than the other catalysts for IPA and Acetone oxidation. The results show the of T98 of IPA and Acetone were 190℃ and 200℃, respectively. The complete oxidation was obtained in the case of IPA by silver catalysts.

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