甲烷部分氧化的產物對於工業發展來說十分重要，在此研究中，許多學者試圖將甲烷直接氧化成甲醛或甲醇，但由於低選擇率及產率，使得一直無法在業界加以發展及應用，其最主要的原因是甲醛及甲醇比甲烷更具反應性，它們非常容易在反應期間過度氧化成二氧化碳及水而形成甲烷完全氧化。本研究探討銅分散度對甲烷氧化的影響，並搭配不同反應條件進行測試，希望藉由條件的優化，突破工業界在甲烷部份氧化上的瓶頸。實驗結果顯示高分散度銅觸媒有較佳的部分氧化催化能力，隨後改變不同的進料比(M/O)，在M/O = 0.5~25中，M/O = 7有最高的一氧化碳產率。改變觸媒氫氣還原條件並搭配
M/O = 7進行反應性測試，從結果得知以高溫及長持溫時間來還原觸媒會降低觸媒銅分散度並影響反應活性。由甲烷部分氧化的結果可得知部分氧化的產物都只在高溫才出現，而部分氧化產物的生成會導致水產率下降，故猜測水會誘導氧化性甲烷蒸汽重組生成氫氣及一氧化碳，進一步測試水共進料對反應的影響後，其結果顯示，水進料的加入雖會增加高溫處部分氧化產物產率但會提高部分氧化反應所需的溫度。在測試過不同M/O及加入水共進料後，改變進料氣體及觸媒重比例(CH4 WHSV)亦能使反應特性發生改變，測試結果顯示，高溫氫氣產率隨CH4 WHSV提高而上升，一氧化碳則是在低CH4 WHSV才會有比較高的產率。兩反應氣體的進樣數量及與活性點的親和力不同，透過改變反應氣體進樣順序，探討反應氣體吸附優先順序與產物生成的關係，測試結果顯示先進樣氧氣再進樣甲烷能在低溫順利產生甲醛。最後探討載體及活性金屬對催化甲烷部分氧化的影響，本研究以不同的載體進行測試，高的Si/Al載體能合成出銅分散度較高的觸媒並提升催化活性，而活性金屬的修飾則是將鋅及銅一起擔載在二氧化矽上，藉由鋅的添加，改變銅的分散度，最終結果呈現含浸5%鋅能將銅的分散度提升到最高。

The product of partial oxidation of methane is very important for industrial development. In this study, many scholars tried to directly oxidize methane to formaldehyde or methanol, but due to low selectivity and yield, it has been unable to develop and apply in the industry. The main reason for this is that formaldehyde and methanol are more reactive than methane, they are very easily over-oxidized to carbon dioxide and water during the reaction to form total oxidation of methane. In this study, the effect of copper dispersion on methane oxidation was investigated and tested with different reaction conditions. It is hoped that by optimizing the conditions, the bottleneck in the partial oxidation of methane in the industry will be broken. The experimental results show that the high dispersion copper catalyst has better partial oxidation catalytic ability, and then change different feed ratios (M/O), in M/O = 0.5~25, M/O = 7 has the highest carbon monoxide yield. Change the catalyst hydrogen reduction conditions and carry out the reactivity test with M/O = 7. From the results, it is known that reducing the catalyst with high temperature and long time will reduce the catalyst copper dispersion and affect the reactivity. From the results of partial oxidation of methane, it can be known that the partially oxidized products only appear at high temperatures, and the formation of partial oxidation products will lead to a decrease in the water yield. Therefore, it is speculated that water will induce oxidative steam reforming of methane to generate hydrogen and carbon monoxide, and further test the water. After further testing the effect of water co-feeding on the reaction, the results show that the addition of water feed increases the partial oxidation product yield at high temperature but increases the temperature required for the partial oxidation reaction. After testing different M/O and co-feeding with water, changing the ratio of feed gas and catalyst weight (CH4 WHSV) can also change the reaction characteristics. The test results show that hydrogen yield in high temperature increases with the increase of CH4 WHSV, and carbon monoxide has higher yield with low CH4 WHSV. The injection quantities of the two reactive gases and their affinity with the active sites are different. By changing the injection sequence of the reactive gases, discussed the relationship between reactive gas adsorption priority and product formation. The test results show that the first inject oxygen and then the methane can successfully generate formaldehyde at low temperature. Finally, the influence of supports and active metal on catalytic partial oxidation of methane was discussed. In this study, different supports were used to test. High Si/Al supports can synthesize catalysts with higher copper dispersion and improve catalytic activity. In the modification of active metal, zinc and copper are loading on silica together, and the dispersion of copper is changed by the addition of zinc. The final result shows that impregnation of 5% zinc can improve the dispersion of copper to the highest.

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