Inorganic Chemicals Industry >
Study on preparation and performance of high efficient and environmental friendly desulfurizer
Received date: 2021-08-25
Online published: 2022-03-18
With the upgrading of national environmental protection regulation,the restriction on the emission concentration of sulfur dioxide in flue gas is becoming more and more strict.The desulfurization efficiency of traditional dry desulfurizer is low.Therefore,it is of great significance to improve the desulfurization efficiency of dry desulfurizer.Calcium hydroxide,rare earth metals and alkaline earth metals were used as raw materials to prepare efficient environmental protection desulfurizer.Three kinds of calcium hydroxide（A,B and C） were characterized by X-ray fluorescence spectroscopy（XRF）,thermogravi-metric analysis（TG）,scanning electron microscopy（SEM） and transmission electron microscopy（TEM）.The results showed that the element composition and calcium hydroxide content of the three kinds of calcium hydroxide were similar.The grain size of calcium hydroxide B was larger,and the stacking of hexagonal lamellae on the surface was more orderly and compact.The rare earth metals and alkaline earth metals could promote the desulfurization of calcium hydroxide.The results of desulfu-rization experiment showed that the desulfurization effect of calcium hydroxide B was better.When the mass ratio of calcium hydroxide B,rare earth metals and alkaline earth metals was 95:2:3,the active component had the best catalytic desulfuriza-tion effect.The desulfurization performance of self-made high efficiency and environmental protection desulfurizer was better than that of market products,which had a good market prospect.
Shaolong SU , Xiaolong QU , Yanmin SUN , Dule ZHONG , Jun NAN , Ziquan HAO . Study on preparation and performance of high efficient and environmental friendly desulfurizer[J]. Inorganic Chemicals Industry, 2022 , 54(3) : 77 -81 . DOI: 10.19964/j.issn.1006-4990.2021-0321
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