The selective catalytic oxidation of ammonia (SCO) to N₂ seems to be the most promising technology to remove NH₃. Compared with electrocatalytic and photocatalytic ammonia oxidation technology, the thermal catalytic oxidation ammonia technology was sufficient to support large-scale commercial and industrial applications. The NH₃-SCO reaction was strongly obeyed the reaction routes of imide, hydrazinium-type and iSCR mechanism. Further, in situ (electron paramagnetic resonance) EPR spectroscopy combined with DFT calculation could provide a foundation for the design and construction of highly efficient ammonia oxidation catalyst. Finally, important ideas for NH₃-SCO should be given the 100% N₂ selectivity and higher NH₃ conversion at lowest temperature. If Ag single-atoms were inserted in the tunnels of zeolites or MOF to result in single Ag atoms anchored at the tunnel, this single-atom Ag particles exhibited super NH₃ conversion, N₂ selectivity and hydrothermal durability at low temperatures.

氨（SCO）选择性催化氧化为N ₂似乎是去除NH ₃的最有希望的技术。与电催化和光催化氨氧化技术相比，热催化氧化氨技术足以支持大规模的商业和工业应用。NH ₃ -SCO反应强烈遵循酰亚胺，肼型和iSCR反应机理。此外，原位（电子顺磁共振）EPR光谱结合DFT计算可以为高效氨氧化催化剂的设计和建造提供基础。最后，对于NH ₃ -SCO的重要构想应赋予100％N ₂最低温度下具有较高的选择性和较高的NH ₃转化率。如果将Ag单原子插入沸石或MOF的隧道中以导致单个Ag原子锚定在隧道中，则该单原子Ag颗粒在低温下表现出超高的NH ₃转化率，N ₂选择性和水热耐久性。