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Structural Analysis of Primary Coal Tar by FD-MS
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- Hata Yuki
- Advanced Technology Research Laboratories, Technical Research & Development Bureau, Nippon Steel & Sumitomo Metal Corporation
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- Hayashizaki Hideyuki
- Process Research Laboratories, Technical Research & Development Bureau, Nippon Steel & Sumitomo Metal Corporation
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- Takahashi Takafumi
- Advanced Technology Research Laboratories, Technical Research & Development Bureau, Nippon Steel & Sumitomo Metal Corporation
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- Kanehashi Koji
- Advanced Technology Research Laboratories, Technical Research & Development Bureau, Nippon Steel & Sumitomo Metal Corporation
Bibliographic Information
- Other Title
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- FD-MSによる一次分解タールの構造解析
- FD-MS ニ ヨル イチジ ブンカイ タール ノ コウゾウ カイセキ
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Description
<p>Understanding chemical structure of primary coal tar is substantially important to promote advanced application and utilization of coal where chemical reaction plays a key role. Mass spectrometry allows us to characterize complex mixture like coal tar pitch, coal extractions, and heavy oil. In the present study, two kinds of primary coal tar A and B were prepared from different types of coal A (bituminous coal) and B (subbituminous coal). The main components such as Hexane Soluble (HS) and Hexane Insoluble-Toluene Soluble (HI-TS) fractions obtained by extraction of each tar were measured by Field Desorption Mass Spectrometry (FD-MS) to determine their constituent chemical structures. 1H NMR spectra of HS and HI-TS were measured to confirm the reliability of proportion of hydrogen types that have been determined by FD-MS. As a result, both of the proportions in HS fractions were found to be almost consistent, while those in HI-TS fractions were not consistent because they have more complex chemical components than HS fractions. Based on the combined analysis of FD-MS and NMR, we concluded that the HS in primary coal tar A mainly consists of polycyclic aromatic hydrocarbons (PAHs) and aliphatic structures including aromatic carbons, while the HS in primary coal tar B mainly consists of aliphatic structures. These results suggest that determining chemical structures and their ratios only from FD-MS spectra is useful to concretely clarify difference between some types of primary coal tar.</p>
Journal
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- Tetsu-to-Hagane
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Tetsu-to-Hagane 105 (6), 601-609, 2019
The Iron and Steel Institute of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390282763119537024
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- NII Article ID
- 130007655958
- 130007907424
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- NII Book ID
- AN00151251
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- ISSN
- 18832954
- 13475460
- 00211575
- 09151559
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- NDL BIB ID
- 029782360
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed