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题名: In-situ analysis of volatile products from lignite pyrolysis with pyrolysis-vacuum ultraviolet photoionization and electron impact mass spectrometry
作者: Li, Gang1, 2;  Zhang, Shi-Yu2;  Jin, Li-Jun1;  Tang, Zi-Chao2;  Hu, Hao-Quan1
关键词: Lignite pyrolysis ;  Volatile products ;  Vacuum ultraviolet photoionization ;  Electron impact ;  Mass spectrometry
刊名: FUEL PROCESSING TECHNOLOGY
发表日期: 2015-05-01
DOI: 10.1016/j.fuproc.2015.02.016
卷: 133, 页:232-236
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: Pyrolytic species of two kinds of lignites (samples A and B) are investigated in-situ with pyrolysis-vacuum ultraviolet photoionization/electron impact mass spectrometry (PVUVPI/EIMS). Mass spectra of pyrolytic fragments are measured during temperature-programmed pyrolysis process of two lignite samples and the intensity profiles of the pyrolytic species are estimated in different temperatures. Experimental results show that H-2, H2O, CO, and CO2 are dominant inorganic gaseous products and their characteristic temperatures are in accord with the temperatures of related chemical bonds cleavage. Mononuclear aromatics are dominant organic pyrolysis products, and many olefin species are also identified. The differences between samples A and B on macromolecular structures make the distribution of pyrolytic products different. In addition, the peak of H2S and CH3SH are both clearly observed in mass spectra of sample B, which could come from thioether bonds decomposition. This work also illustrates that the PVUVPI/EIMS performs very well in in-situ analysis pyrolytic products. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: POLYCYCLIC AROMATIC-HYDROCARBONS ;  BITUMINOUS COAL PYROLYSIS ;  YIMA COAL ;  BEHAVIOR ;  TAR ;  SPECTROSCOPY ;  COMBUSTION ;  MOLECULES ;  EVOLUTION ;  RELEVANT
语种: 英语
WOS记录号: WOS:000352050000030
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146114
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, Sch Chem Engn, Inst Coal Chem Engn, State Key Lab Fine Chem, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Li, Gang,Zhang, Shi-Yu,Jin, Li-Jun,et al. In-situ analysis of volatile products from lignite pyrolysis with pyrolysis-vacuum ultraviolet photoionization and electron impact mass spectrometry[J]. FUEL PROCESSING TECHNOLOGY,2015,133:232-236.
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