期刊
ENERGY & FUELS
卷 36, 期 7, 页码 3715-3726出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.energyfuels.1c04342
关键词
-
资金
- National Science Fund for Distinguished Young Scholars [51825605]
In this study, ceramic fiber filter tubes with high strength and low pressure drop were developed using vacuum centrifugal suction filtration technology. The desulfurization, denitrification, and dust removal characteristics of the ceramic catalytic filter tubes were investigated at temperatures ranging from 180 to 330 degrees C. The effects of various factors on the denitrification process and simultaneous desulfurization and denitrification process were studied, achieving high efficiency in both processes.
In this study, we used a vacuum centrifugal suction filtration technology to develop ceramic fiber filter tubes with a high strength and low pressure drop. The V, Mo nanocatalyst slurry with metatitanic acid as the carrier precursor was implanted into a ceramic fiber filter tube. By injecting NaHCO3 upstream, the desulfurization, denitrification, and dust removal characteristics of the ceramic catalytic filter tubes from 180 to 330 degrees C were investigated. The effects of the NOx concentration, the ammonia-nitrogen ratio, the filtration velocity in the ceramic filter tube, and the reaction temperature on the separate denitrification process were investigated. In addition, the effects of the filtration velocity, the reaction temperature, and the sodium-sulfur ratio in the ceramic filter tube on the simultaneous desulfurization and denitrification process were also studied. At 330 degrees C, the highest denitration efficiency was 97.62%, and the highest desulfurization efficiency was 94.23%.
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