隨著經濟發展的快速成長與工業化進程的不斷加快，日益嚴峻的環境污染問題已成為當下最亟待解决的難題之一。在生活和工業生產過程中，產生的各類型工業廢水污染已成為台灣水源污染的主要原因之一。其中若含有高濃度之有機物與氮類污染物的廢水，未經過妥善處理而排入自然水體，產生的高濃度氨氮廢水由於排放量大、濃度高、成份複雜不僅會致使水體富營養化更會大量消耗水中之溶氧，亦會直接對於水中生物造成毒性影響，致使大量水中生物死亡，嚴重影響人體健康和社會經濟的發展。
目前已知的各項氨氮廢水處理技術中，就高濃度氨氮廢水處理而言大多存在著脫氮效率不高、產生二次污染等問題，傳統之處理方式並無法有效將高濃度氨氮污染物去除，使之達到符合放流法規氨氮的30mg/L排放標準。故本研究引用新型聯合處理工法—『超重力氣提吹脫結合MVR熱泵』針對高濃度氨氮廢水的去除效率進行深入研究。本研究分兩階段，以某金屬材料供應公司產生的氨氮廢水為研究對象，濃度在10000~20000mg/L。第一階段以氣提吹脫驗證，利用吹脫法脫氮高、操作方便、處理成本較低等特點進行實驗分析，考察了吹脫法處理高濃度氨氮廢水的影響因素，得出最適宜的反應條件：在 pH=11，溫度為40℃，吹脫時間1h，氣液比為 2500 的實驗條件下，脫氮率近乎89.5%。第二階段在此基礎上結合超重力技術强化質傳過程的優勢來對廢水進行深度處理，通過超重力法研究發現：在 pH=13，溫度 50℃，氣液比 2000的實驗條件下，可將濃度為 5000mg/L 的氨氮廢水降到 80mg/L，脫氮率達到98.4%，幾乎可滿足放流排放要求。此外，為避免脫氮過程中產生二次污染，後續將此項新型聯合處理工法設置有氨氮回收與資源化系統，既能保護環境，實現變廢為寶，產生良好的經濟效益，使廢水的處理成本大大降低，實現了高效、經濟、環保的目標。

With the rapid growth of economic development and the accelerating industrialization process, the increasingly serious environmental pollution problem has become one of the most urgent problems to be solved. In the process of living and industrial production, the pollution of various types of industrial wastewater has become one of the main causes of water pollution in Taiwan. If the wastewater contains high concentrations of organic matter and nitrogen pollutants is discharged into natural water bodies without proper treatment. Because the high concentration of ammonia nitrogen wastewater with large emissions, high concentration and complex composition generated will not only cause eutrophication of water bodies and dissolved a large amount of dissolved oxygen in the water. It will also directly cause toxic effects on aquatic organisms and causing a large number of aquatic organisms to die, seriously affecting human health and socio-economic development.
Among the various known ammonia nitrogen wastewater treatment technologies, most of the high-concentration ammonia-nitrogen wastewater treatments have problems such as low nitrogen removal efficiency and secondary pollution. The traditional treatment method cannot effectively remove high-concentration ammonia nitrogen pollutants. To achieve a 30mg/L emission standard that meets the ammonia nitrogen requirements of the release regulations. Therefore, this study cites a new joint treatment method - "High-Gravity stripping combined with MVR heat pump" to conduct in-depth research on the removal efficiency of high-concentration ammonia-nitrogen wastewater. The research is divided into two stages, with the ammonia nitrogen wastewater produced by a metal material supply company as the research object, the concentration is 10000~20000mg/L. The first stage is verified by stripping and stripping, and the experimental analysis is carried out by using the characteristics of high denitrification, convenient operation and low processing cost.
The influencing factors of the high concentration ammonia nitrogen wastewater by the stripping method were investigated, and the most suitable reaction conditions were obtained. Under the experimental conditions of pH=11, temperature 40 °C, stripping time 1 h, gas-liquid ratio 2500, the denitrification rate was almost 89.5%. On the basis of this, the second stage combines the advantages of the super-gravity technology to enhance the quality of the mass transfer process to further treat the wastewater. It is found by the method of High-Gravity: under the experimental conditions of pH=13, temperature 50 °C and gas-liquid ratio 2000. The ammonia nitrogen wastewater with a concentration of 5000 mg/L was reduced to 80 mg/L, and the denitrification rate reached 98.4%, which almost met the discharge requirement. In addition, in order to avoid secondary pollution during the denitrification process, the new combined treatment method is followed by an ammonia nitrogen recovery and resource system, which can not only protect the environment, but also turn waste into treasure, generate good economic benefits, and make wastewater. The processing cost is greatly reduced, achieving the goal of high efficiency, economy and environmental protection.

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