Modes of Occurrence of Fluorine by Extraction and SEM Method in a Coal-Fired Power Plant from Inner Mongolia, China
Abstract
:1. Introduction
2. Method and Sampling
3. Results and Discussion
3.1. Occurrence Modesof Fluorine in Coal
Items | Water-Soluble | Alkali-Soluble | Acid-Soluble | CaCl2-Soluble | KCl-Soluble | |||||
---|---|---|---|---|---|---|---|---|---|---|
Con (μg/g) | E-Rate (%) | Con (μg/g) | E-Rate (%) | Con (μg/g) | E-Rate (%) | Con (μg/g) | E-Rate (%) | Con (μg/g) | E-Rate (%) | |
YM | 4.51 | 1.33 | 9.74 | 2.88 | 39.92 | 11.81 | 4.16 | 1.23 | 4.89 | 1.45 |
LZ | 2.45 | 3.03 | 2.77 | 3.42 | 4.33 | 5.34 | 2.36 | 2.91 | 2.17 | 2.68 |
QH | 6.36 | 11.78 | 6.49 | 12.02 | 34.22 | 63.38 | 6.06 | 11.22 | 6.76 | 12.52 |
HHC | 57.97 | 21.08 | 71.0 | 25.82 | 85.21 | 30.99 | 48.69 | 17.71 | 63.64 | 23.14 |
HHX | 349.37 | 42.87 | 383.52 | 47.06 | 426.15 | 52.29 | 324.70 | 39.85 | 365.30 | 44.82 |
Proximate (wt %) | Ultimate (wt %) | ||||||
---|---|---|---|---|---|---|---|
Moisture | Ash | Volatile | C | H | O | N | S |
16.83 | 13.57 | 48.65 | 68.84 | 5.12 | 22.73 | 1.51 | 1.32 |
3.2. Occurrence Modesof Fluorine in LZ
3.3. Occurrence Modesof Fluorine in QH
3.4. Occurrence Modes of Fluorine in HHC and HHX
3.5. The Changes of Fluorine in the Power Plant
Sample | YM | LZ | QH | HHC | HHX | SG | Gas |
---|---|---|---|---|---|---|---|
P (%) | 100 | 3.02 | 8.05 | 14.96 | 1.84 | 72.74 | 1.24 |
S (ppm) | 169 | 81 | 54 | 275 | 815 | 2730 | - |
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Wang, G.; Luo, Z.; Zhang, J.; Zhao, Y. Modes of Occurrence of Fluorine by Extraction and SEM Method in a Coal-Fired Power Plant from Inner Mongolia, China. Minerals 2015, 5, 863-869. https://doi.org/10.3390/min5040530
Wang G, Luo Z, Zhang J, Zhao Y. Modes of Occurrence of Fluorine by Extraction and SEM Method in a Coal-Fired Power Plant from Inner Mongolia, China. Minerals. 2015; 5(4):863-869. https://doi.org/10.3390/min5040530
Chicago/Turabian StyleWang, Guangmeng, Zixue Luo, Junying Zhang, and Yongchun Zhao. 2015. "Modes of Occurrence of Fluorine by Extraction and SEM Method in a Coal-Fired Power Plant from Inner Mongolia, China" Minerals 5, no. 4: 863-869. https://doi.org/10.3390/min5040530