Influence of magmatic intrusions on organic nitrogen in coal: A case study from the Zhuji mine, the Huainan coalfield, China
Ding Dianshi1,2; Liu Guijian1,2; Fu Biao1; Yuan Zijiao1; Chen Bingyu1
2018-05-01
发表期刊FUEL
卷号219期号:2018页码:88-93
文章类型Article
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
WOS标题词Science & Technology ; Technology
DOI10.1016/j.fuel.2018.01.081
关键词[WOS]NORTH CHINA ; ILLINOIS BASIN ; CONTACT-METAMORPHISM ; IGNEOUS INTRUSIONS ; HUAIBEI COALFIELDS ; BITUMINOUS COAL ; PERMIAN COALS ; INTRUDED COAL ; GEOCHEMISTRY ; PYROLYSIS
收录类别SCI
WOS研究方向Energy & Fuels ; Engineering
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000429417300010
引用统计
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/361006/5206
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China
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Ding Dianshi,Liu Guijian,Fu Biao,et al. Influence of magmatic intrusions on organic nitrogen in coal: A case study from the Zhuji mine, the Huainan coalfield, China[J]. FUEL,2018,219(2018):88-93.
APA Ding Dianshi,Liu Guijian,Fu Biao,Yuan Zijiao,&Chen Bingyu.(2018).Influence of magmatic intrusions on organic nitrogen in coal: A case study from the Zhuji mine, the Huainan coalfield, China.FUEL,219(2018),88-93.
MLA Ding Dianshi,et al."Influence of magmatic intrusions on organic nitrogen in coal: A case study from the Zhuji mine, the Huainan coalfield, China".FUEL 219.2018(2018):88-93.
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