Mineralogical and environmental geochemistry of coal combustion products from Shenhuo and Yihua power plants in Xinjiang autonomous region, northwest China
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Multidisciplinary Digital Publishing Institute
2019-08-19
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| Subjects: | Coal combustion products, Mineralogy, Environmental geochemistry, Partitioning behavior, Leachability, Shenhuo power plant, Yihua power plant, |
| Online Access: | http://hdl.handle.net/10261/188955 http://dx.doi.org/10.13039/501100001809 http://dx.doi.org/10.13039/501100004701 |
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dig-idaea-es-10261-1889552020-05-28T13:04:48Z Mineralogical and environmental geochemistry of coal combustion products from Shenhuo and Yihua power plants in Xinjiang autonomous region, northwest China Wu, Peng Li, Jing Zhuang, Xinguo Querol, Xavier Moreno, Natalia Li, Baoqing Ge, Dongfeng Zhao, Shihua Ma, Xiaoping Córdoba, Patricia Shangguan, Yunfei National Natural Science Foundation of China China University of Geosciences, Wuhan Coal combustion products Mineralogy Environmental geochemistry Partitioning behavior Leachability Shenhuo power plant Yihua power plant © The Author(s). The mineralogical and geochemical characteristics of feed coals and coal combustion products (CCPs) from the Shenhuo and Yihua Power Plants in Xinjiang Autonomous Region, were studied by means of proximate analysis, Power X-ray diffraction (XRD), scanning electron microscopy with Energy Dispersive X-ray analyzer (SEM-EDX), inductively coupled plasma atomic emission spectrometry (ICP-MS) and inductively coupled plasma mass spectrometry (ICP-AES). The environmental geochemistry of CCPs was evaluated by Al-normalized enrichment factor as well as European Standard EN-12457 leaching test. Two feed coals have the characteristics of low sulfur content, medium to high volatiles matter yields, medium moisture content, super low to medium ash yield, medium to high calorific value and low mineral content. The main crystalline facies in fly ash and slag are quartz and mullite, with a small amount of calcite, and some unburned carbon. Hematite, SrSO4 and barite also can be observed in fly ashes by SEM. Typical plerophere occurs in fine fly ash rather than the coarse fly ash. The concentration of most trace elements in CCPs falls within the lower concentration range of European fly ashes. With respect to the partitioning behavior of trace elements during coal combustion, S is highly volatile, and Mg, Na, Zn, B, Co, As, Nb, Zr, Cu and K also show certain volatility, which may to some extent emit to the atmosphere. Furthermore, leaching experiments show that leachable concentrations of most of the potentially toxic elements in CCPs are low, and the CCPs fall in the range between inert and nonhazardous landfill material regulated by the 2003/33/EC Decision. This research was funded by National Key R&D Program of China (No. 2018YFF0215400), the National Science Foundation of China (No. 41972179), and the Fundamental Research Funds for the Central Universities, China University of Geosciences (Wuhan) (No. CUGCJ1823). Peer reviewed 2019-08-23T07:04:58Z 2019-08-23T07:04:58Z 2019-08-19 2019-08-23T07:04:58Z artículo http://purl.org/coar/resource_type/c_6501 Minerals 9(8): 496 (2019) http://hdl.handle.net/10261/188955 10.3390/min9080496 2075-163X http://dx.doi.org/10.13039/501100001809 http://dx.doi.org/10.13039/501100004701 Publisher’s version https://doi.org/10.3390/min9080496 Sí open Multidisciplinary Digital Publishing Institute |
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Coal combustion products Mineralogy Environmental geochemistry Partitioning behavior Leachability Shenhuo power plant Yihua power plant Coal combustion products Mineralogy Environmental geochemistry Partitioning behavior Leachability Shenhuo power plant Yihua power plant |
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Coal combustion products Mineralogy Environmental geochemistry Partitioning behavior Leachability Shenhuo power plant Yihua power plant Coal combustion products Mineralogy Environmental geochemistry Partitioning behavior Leachability Shenhuo power plant Yihua power plant Wu, Peng Li, Jing Zhuang, Xinguo Querol, Xavier Moreno, Natalia Li, Baoqing Ge, Dongfeng Zhao, Shihua Ma, Xiaoping Córdoba, Patricia Shangguan, Yunfei Mineralogical and environmental geochemistry of coal combustion products from Shenhuo and Yihua power plants in Xinjiang autonomous region, northwest China |
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© The Author(s). |
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National Natural Science Foundation of China |
| author_facet |
National Natural Science Foundation of China Wu, Peng Li, Jing Zhuang, Xinguo Querol, Xavier Moreno, Natalia Li, Baoqing Ge, Dongfeng Zhao, Shihua Ma, Xiaoping Córdoba, Patricia Shangguan, Yunfei |
| format |
artículo |
| topic_facet |
Coal combustion products Mineralogy Environmental geochemistry Partitioning behavior Leachability Shenhuo power plant Yihua power plant |
| author |
Wu, Peng Li, Jing Zhuang, Xinguo Querol, Xavier Moreno, Natalia Li, Baoqing Ge, Dongfeng Zhao, Shihua Ma, Xiaoping Córdoba, Patricia Shangguan, Yunfei |
| author_sort |
Wu, Peng |
| title |
Mineralogical and environmental geochemistry of coal combustion products from Shenhuo and Yihua power plants in Xinjiang autonomous region, northwest China |
| title_short |
Mineralogical and environmental geochemistry of coal combustion products from Shenhuo and Yihua power plants in Xinjiang autonomous region, northwest China |
| title_full |
Mineralogical and environmental geochemistry of coal combustion products from Shenhuo and Yihua power plants in Xinjiang autonomous region, northwest China |
| title_fullStr |
Mineralogical and environmental geochemistry of coal combustion products from Shenhuo and Yihua power plants in Xinjiang autonomous region, northwest China |
| title_full_unstemmed |
Mineralogical and environmental geochemistry of coal combustion products from Shenhuo and Yihua power plants in Xinjiang autonomous region, northwest China |
| title_sort |
mineralogical and environmental geochemistry of coal combustion products from shenhuo and yihua power plants in xinjiang autonomous region, northwest china |
| publisher |
Multidisciplinary Digital Publishing Institute |
| publishDate |
2019-08-19 |
| url |
http://hdl.handle.net/10261/188955 http://dx.doi.org/10.13039/501100001809 http://dx.doi.org/10.13039/501100004701 |
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