Abstract

As a result of anthropogenic activities, millions of tons of nitrogen oxides (NO_x = NO, NO₂) are emitted into the atmosphere every year, which poses a serious threat to human health. The catalytic neutralization of vehicle exhaust gases and industrial waste gases is the most effective solution to the problem of man-made NO_x emissions. To date, there are a number of catalytic technologies for the removal of nitrogen oxides; however, their use is limited because of their low efficiency at temperatures of 100–300°C. This review is devoted to current trends in the development of highly active catalysts for the removal of nitrogen oxides from vehicle exhaust gases and waste gases of the chemical industry at temperatures below 300°C. The main attention is paid to new catalytic systems based on mixed oxides, hydrotalcites, perovskites, small-pore zeolites, metal–organic frameworks (MOF), and natural minerals and clays, as well as to hybrid catalysts.

中文翻译：

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DeNO x催化剂开发的七个现代趋势

摘要

人为活动的结果是，每年向大气中排放数百万吨的氮氧化物（NO _x = NO，NO ₂），这对人类健康构成了严重威胁。车辆尾气和工业废气的催化中和是解决人为NO _x问题的最有效解决方案排放。迄今为止，有许多催化技术可用于去除氮氧化物。但是，由于在100–300°C的温度下效率低，因此它们的使用受到限制。这篇综述致力于开发用于在低于300°C的温度下从汽车尾气和化学工业废气中去除氮氧化物的高活性催化剂的最新发展趋势。主要关注基于混合氧化物，水滑石，钙钛矿，小孔沸石，金属有机骨架（MOF），天然矿物和粘土以及混合催化剂的新型催化体系。