第五章 結論與建議
5.2 建議
1. 本研究以離子交換法將 Cu 植入沸石中，並藉由 ICP-AES 分析觸 媒內之金屬元素，發現 Cu 的交換對象應為沸石中的 Na。然而，
原始 Zeolite 內之 Na 含量僅約 0.764 %，難以製備出 Cu 含量更高 之 觸 媒 。 未 來 之 研 究 可 採 用 含 有 更 多 的 陽 離 子 之 物 質 ( 如
NH4/ZSM-5 或 NH4/Y-Zeolite) 進行改質，冀能製備出 Cu 含量更 高之觸媒。
2. Si/Al 比高之沸石型觸媒，其優點在於疏水性強，然而本研究並未 針對水氣存在的狀態下作測試。未來之研究可探討水氣濃度對 NO 與 VOCs 去除率的影響。
3. 4.5 節當中曾介紹在 NO 濃度為 0 與 500 ppm 時，甲苯濃度變化對 其自身去除率之影響。然而在 2.5 節亦提及 NO 之存在可能令 VOC 必須在較高之溫度方能達到 95 %之去除率，因此建議未來 可嘗試探討在 NO 參與反應或者不存在時，溫度變化對 VOCs 去 除率之影響。
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