A composite slurry containing yellow phosphorus and phosphate slurry was used to remove NO_x from flue gas, where yellow phosphorus is considered to promote generation of ozone from oxygen. The latter can oxidize NO to form more water-soluble N_xO_y species, finally converted to HNO₂ and HNO₃. These acids can react with phosphate slurry to form PO₄^3–. Thus, the final solution containing NO₃^– and PO₄^3– can be potentially used as raw material for the production of nitrogen phosphorus compound fertilizer. Moreover, effects of various parameters on NO_x removal efficiency were optimized, and single-factor experiments together with response surface optimization were applied for optimizing these parameters. It was indicated that the removal efficiency of NO_x can obtain 99.2% under optimal conditions. Subsequently, the corresponding reaction mechanisms were discussed. Therefore, using the mixtures of yellow phosphorus and phosphate slurry as absorbent not only obtains high NO_x removal efficiency, but can avoid the need to dispose of spent liquid wastes, which provides an attractive approach for controlling NO_x. Moreover, the present slurry system can eliminate NO_x and SO₂ simultaneously with high removal efficiency.

中文翻译：

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NO的去除_X烟气黄磷和磷酸料作为吸附剂

使用包含黄磷和磷酸盐浆料的复合浆料来从烟道气中去除NO _x，其中黄磷被认为促进了氧气中臭氧的产生。后者可以氧化NO，形成更多的水溶性N _x O _y物质，最终转化为HNO ₂和HNO ₃。这些酸可与磷酸盐浆液反应形成PO ₄ ^3–。因此，含有NO最终溶液₃ ^-和PO ₄ ^3-，可以潜在地作为原料用于生产氮磷复合肥。而且，各种参数对NO _x的影响优化去除效率，并将单因素实验与响应面优化一起用于优化这些参数。结果表明，在最佳条件下，NO _x的去除率可达到99.2％。随后，讨论了相应的反应机理。因此，使用黄磷和磷酸盐淤浆的混合物作为吸收剂不仅获得了高的NO _x去除效率，而且可以避免处理废液废物的需要，这为控制NO _x提供了有吸引力的方法。而且，本浆液系统可以高去除效率同时去除NO _x和SO ₂。