自人類文明發展以來，淡水資源的存量及永續一直是人類重要的課題，隨著近兩世紀工業革命的發展，世界各地的工業廢水排放量大幅增加，尤其紡織工業產生的大量染料廢水未經妥善處理就被隨意排放進入河川當中時，將對自然生態及人體造成嚴重的危害。在各式各樣的廢水處理方法中，高級氧化程序(AOPs)在1980年代以來作為廢水處理的方法已經被廣泛的運用，最知名的芬頓法透過亞鐵離子(Fe2+)與過氧化氫(H2O2)反應產生氫氧自由基(•OH)，利用氫氧自由基的強氧化性且不具選擇性的特性來降解有機汙染物。為了克服傳統芬頓反應的限制與缺點，近年來非均相類芬頓反應開始逐漸被研究，以鐵固體觸媒取代亞鐵離子進行非均相反應，來達到觸媒的重複使用性及減少含鐵汙泥的目的。本實驗利用水熱合成法製備鐵絲光沸石Fe-MOR進行非均相類芬頓反應降解番紅染料，以發煙二氧化矽及鋁酸鈉作為沸石合成中之矽、鋁來源，硝酸鐵作為鐵來源，將合成的觸媒使用XRD、SEM、BET、FTIR等等儀器分析觸媒特性，探討水熱合成之反應時間以及添加鐵對於沸石結晶之影響。接著測試觸媒的催化效果，探討不同初始pH值、觸媒添加量、H2O2添加量對降解反應的影響，透過動力學分析擬合降解曲線，求得反應級數與反應活化能，也使用反應曲面法(RSM)最佳化番紅的降解反應，找到最佳反應條件並驗證模型之合理性。最後測試觸媒之耐用性，比較其催化效果與新鮮觸媒之差異。實驗結果經反應動力學分析為類二級反應，可求得其反應活化能為98.08 kJ/mol；並經由反應曲面法，找到番紅降解率目標值100%的最佳反應條件為: 初始pH為2、觸媒添加量為1.921 g/L，H2O2添加量為55.30 mM，可得到番紅降解率為97.67±0.36%。在觸媒耐用性測試中，在初始pH值為5的反應條件下，第一次及第三次反應之降解率從50%下降至25%，觸媒經再生後降解率則恢復至35%，從相關儀器鑑定可推測在反應過後有機產物吸附於觸媒表面，或觸媒表面之鐵瀝濾使活性位置減少，導致觸媒催化效果降低。

In this study, iron-containing zeolite catalysts Fe-MOR were used to catalyze a heterogeneous Fenton-like reaction for the degradation of Safranin O. Fe-MOR catalysts were synthesized by a one-step hydrothermal process. Fumed silica (SiO2), NaAlO₂, NaOH, and Fe(NO3)3 solution were used as raw materials. The crystallization process was carried out in stainless steel autoclaves at 170 ℃ for 72 hours, followed by calcination at 500 ℃ for 6 hours. The synthesized catalysts were characterized by various instruments, including XRD, SEM, TGA, FTIR, SEM-EDS, and N2-adsorption. The heterogeneous Fenton-like reaction was set up at 50℃, the reaction time of 180 min, with an initial dye concentration of 100 mg/L in a 500 mL breaker. UV-Vis was employed to determine the concentration of dye remaining in the solution. In order to achieve maximum degradation rate, Response surface methodology (RSM) based on central composite design, was also used to optimize the degradation reaction. The optimal condition were initial pH: 2, catalyst dosage: 1.912 g/L, H2O2 dosage: 55.30 mM, maximum Safranin O degradation rate: 97.67±0.36%. According to kinetics study results, a second-order kinetic model was applied and the activation energy was calculated to be 98.08 kJ/mol. As a result of the catalyst durability test and instrument analysis, the catalyst was deactivated due to products covering the surface or the iron leaching during the reaction.

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