本研究探討A改質金屬氧化物B於常溫常壓下降解臭氧之反應，分別討論A改質金屬觸媒之最佳條件，及降解程序的機制，並以實場條件下進行長時間測試。
實驗中利用含浸法製備A改質B，分別討論金屬摻入量與鍛燒溫度對催化活性與結構的影響，並以X光繞射儀(XRD)、傅立葉紅外線光譜儀(FTIR)、表面積及孔徑分析儀(BET)、能量散射光譜儀(EDS)、場發射掃描式電子顯微鏡(SEM)分析其物理化學特性。結果顯示加入過量金屬進行改質時，會造成表面A金屬堆積，導致分散性下降；而A/B觸媒在最佳條件鍛燒溫度，形成具高比表面積A/B氧化物，有最佳的降解效能。
實驗中利用FT-IR、TGA、EA、XRD等設備，分析A/B觸媒降解程序後之表面中間產物，及利用IC分析降解程序中之氣相端中間產物；由觸媒表面及氣相端之中間產物分析，發現有氮氧化物生成，推測為臭氧產生機生成之副產物所致，造成觸媒失活；進一步以滯留時間、相對溼度、溫度、初始濃度、觸媒量等參數進行A/B觸媒系統降解臭氧之動力學探討，使用Langmuir-Hinshelwood model與Power Law兩種模式，以驗算出其吸脫附常數及速率常數，成功地推導出動力學機制。
最後為進一步證實A/B觸媒能在實場上應用，進行壓錠程序以減少反應器壓降及粉塵問題，並於臭氧濃度約350ppm，GHSV=7375h-1，濕度60~85%下進行長時間測試，能在連續操作200小時下達到轉化率90%以上的降解效能，顯示其已達實用化標準。

In this work, the degradation of gaseous ozone over metal oxide catalyst under ambient condition in a continuous flow reactor was investigated.
In first part, the effects of calcination and amount of A-ion on physical properties were analyzed by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), surface area and porosimstry analyzer (BET), energy dispersive spectrometer (EDS), and scanning electron microscope (SEM), respectively. The excessive amount of A will create the multilayer or bulk A on the surface, resulting in the decrease in active site.
The intermediates on catalyst surface and in gas were respectively determined by FTIR, TGA, EA, XRD, and IC. The results showed the presence of nitrogen oxides both on the catalyst surface and in gas phase, the reactivity of catalyst was gradually decreased due to the adsorption of NOx. Moreover, the reaction parameters, such as retention time, relative humidity, temperature, amount of catalyst, and ozone concentration were studied for conduction of reaction kinetics. Langmuir-Hinshelwood and Power law models were successfully applied to estimate the adsorption and rate constants.
Finally, in order to further confirm the practicability of this A/B catalyst, the A/B pellet was fabricated to lower pressure drop and avoid dust emission. In the 200h long-term test, the conversion was kept at over 90% for simulated field conditions, 350 ppm of ozone, GHSV=7375h-1, and relative humidity of 60~ 85%. The results indicated the activity of prepared catalyst have matched the practical standards.

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