Globally, considerable effort and resources are being channeled toward controlling the rising threat from pollution and other related impacts from man-made activities, which have detrimental effects on human health and the environment. The presence of some associated gases such as nitrogen oxides and sulfur oxides in the flue gas interfering with the carbon capture processes are responsible for acid rain and ground-layer ozone formation. The wet flue gas desulfurization and the selective catalytic reduction technologies are associated with high investment, production of secondary pollution, poor catalyst durability, and high temperature requirements. In response to these limitations, the development of a hybrid environmental catalyst, especially using activated carbon, carbon-coated monolith, and metal oxides, is desirable. For a catalyst to be competitive, it must be cost-effective with enhanced sorption capacity, regenerability, and be safe for disposal. Some of the recent methods for dispersing the metal oxides on the supports and the simultaneous removal of sulfur oxides and nitrogen oxides were enumerated in this review and the possible ways for improvement have been presented.

在全球范围内，人们投入了大量的精力和资源来控制污染和人为活动的其他相关影响日益严重的威胁，这些危害对人类健康和环境产生不利影响。烟道气中某些相关气体（例如氮氧化物和硫氧化物）的存在会干扰碳捕获过程，这是造成酸雨和地层臭氧形成的原因。湿法烟气脱硫和选择性催化还原技术与高投资，二次污染的产生，催化剂耐久性差和高温要求有关。响应于这些限制，期望开发混合环境催化剂，特别是使用活性炭，碳涂覆的整料和金属氧化物。为了使催化剂具有竞争力，它必须具有成本效益，并具有增强的吸附能力，可再生性，并且必须能够安全处置。在这篇综述中列举了一些最近的将金属氧化物分散在载体上以及同时去除硫氧化物和氮氧化物的方法，并提出了可能的改进方法。