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Content Provider | SpringerLink |
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Author | Zhao, Yi Xu, PeiYao Sun, XiaoJun Wang, LiDong |
Copyright Year | 2007 |
Abstract | The oxidizing highly reactive absorbent was prepared from fly ash, industry lime, and an oxidizing additive M. Experiments of simultaneous desulfurization and denitrification were carried out in a flue gas circulating fluidized bed (CFB). The effects of influencing factors and calcium availability were also investigated on the removal efficiencies of desulfurization and denitrification. Removal efficiencies of 95.5% for SO$_{2}$ and 64.8% for NO were obtained respectively under the optimal experimental conditions. The component of the spent absorbent was analyzed with chemical analysis methods. The results indicated that more nitrogen species appeared in the spent absorbent except sulfur species. A scanning electron microscope (SEM) and an accessory X-ray energy spectrometer were used to observe micro-properties of the samples, including fly ash, oxidizing highly reactive absorbent and spent absorbent. The simultaneous removal mechanism of SO$_{2}$ and NO based on this absorbent was proposed according to the experimental results. |
Starting Page | 135 |
Ending Page | 144 |
Page Count | 10 |
File Format | |
ISSN | 10069291 |
Journal | Science in China Series B: Chemistry |
Volume Number | 50 |
Issue Number | 1 |
e-ISSN | 18622771 |
Language | English |
Publisher | Science in China Press |
Publisher Date | 2007-01-01 |
Publisher Place | Beijing |
Access Restriction | Subscribed |
Subject Keyword | flue gas circulating fluidized bed simultaneous desulfurization and denitrification oxidizing highly reactive absorbent mechanism Chemistry/Food Science |
Content Type | Text |
Resource Type | Article |
Subject | Chemistry |
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