Influence of magmatic intrusions on organic nitrogen in coal: A case studyfrom the Zhuji mine, the Huainan coalfield, China
Ding, DS(Ding, Dianshi)1,2; Liu, GJ(Liu,Guijian)1,2; Fu,B(Fu,Biao)1; Yuan,ZJ(Yuan,Zijiao)1; Chen,BY(Chen,Bingyu)1; Liu,Guijian
2018-05-01
发表期刊Fuel
卷号219期号:2018页码:88-93
文章类型期刊论文
摘要Although the influence of magmatic intrusions on coal has been studied extensively at many locations, data on changes of organic nitrogen forms in coal in response to this kind of geological instantaneous heating is still scarce. To fill this information gap, a total of five coal samples, including four coal samples collected along a coal transect approaching a magmatic intrusion and one unaltered coal sample, were collected from the No. 3 coal seam of the Zhuji mine in the Huainan coalfield, China and were analyzed for organic nitrogen forms using X-ray photoelectron spectroscopy (XPS), together with the determination of coal quality parameters and elemental composition. Due to the effect of magmatic intrusion, ash yield and carbon content of the coals increase, whereas moisture, volatile matter, oxygen, nitrogen and total sulfur decrease. The N-5 peak is dominant in unaltered and moderately altered coals, but disappears entirely in the coals adjacent to the magmatic intrusion due to the strong thermal influence. The N-Q peak mainly represents “protonated” quaternary nitrogen in unaltered and moderately altered coals. The N-Q peak can be transformed to the N-6 peak through the deprotonation of “protonated” quaternary nitrogen resulting from the loss of oxygen groups under the thermal influence of the magmatic intrusion. Closer to the magmatic intrusion, the N-Q peak is assigned to “graphitic” quaternary nitrogen, which increases sharply and becomes the predominant form eventually. Magmatic intrusion is responsible for the conversion of less stable nitrogen forms to more stable forms in coal.
关键词Nitrogen Form Xps Magmatic Intrusion Huainan Coalfield
DOI10.1016/j.fuel.2018.01.081
收录类别SCI
所属项目编号973 Program, 2014CB238903 ; 41672144 ; 41173032 ; 1604a0802108
语种英语
项目资助者National Basic Research Program ofChina ; National Basic Research Program ofChina ; National Natural ScienceFoundation of China ; National Natural ScienceFoundation of China ; Key Programs forScience and Technology Development of Anhui Province ; Key Programs forScience and Technology Development of Anhui Province
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5299
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Liu,Guijian
作者单位1.CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui230026, China
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi’an, Shaanxi 710075, China
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Ding, DS,Liu, GJ,Fu,B,et al. Influence of magmatic intrusions on organic nitrogen in coal: A case studyfrom the Zhuji mine, the Huainan coalfield, China[J]. Fuel,2018,219(2018):88-93.
APA Ding, DS,Liu, GJ,Fu,B,Yuan,ZJ,Chen,BY,&Liu,Guijian.(2018).Influence of magmatic intrusions on organic nitrogen in coal: A case studyfrom the Zhuji mine, the Huainan coalfield, China.Fuel,219(2018),88-93.
MLA Ding, DS,et al."Influence of magmatic intrusions on organic nitrogen in coal: A case studyfrom the Zhuji mine, the Huainan coalfield, China".Fuel 219.2018(2018):88-93.
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