Abstract: The organized and in-depth treatment of flue gas pollutants carried out by refractory enterprises helps to reduce the emissions of particulate matter, SO2 and NOx in the atmosphere. This paper discusses and analyzes the common problems in the treatment of flue gas pollutants in hundreds of refractory enterprises in Zhengzhou, and puts forward improvement measures based on the problems, in order to provide reference for energy conservation and pollution reduction of refractory enterprises.

Key words: Refractory materials, Flue gas treatment, Dust removal, Desulfurization, Denitration, Secondary pollution