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- Publisher Website: 10.1021/ef8010096
- Scopus: eid_2-s2.0-67649223617
- WOS: WOS:000267416600025
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Article: Carbon-centered free radicals in participate matter emissions from wood and coal combustion
Title | Carbon-centered free radicals in participate matter emissions from wood and coal combustion |
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Authors | |
Issue Date | 2009 |
Citation | Energy and Fuels, 2009, v. 23, n. 5, p. 2523-2526 How to Cite? |
Abstract | Electron paramagnetic resonance (EPR) spectroscopy was used to measure the free radicals in the particulate matter (PM) emissions from wood and coal combustion. The intensity of radicals in PM dropped linearly within two months of sample storage and stabilized after that. This factor of storage time was adjusted when comparing radical intensities among different PM samples. An inverse relationship between coal rank and free radical intensities in PM emissions was observed, which was in contrast with the pattern of radical intensities in the source coals. The strong correlation between intensities of free radical and elemental carbon in PM emissions suggests that the radical species may be carbon-centered. The increased g-factors, 2.0029-2.0039, over that of purely carbon-centered radicals may indicate the presence of vicinal oxygen heteroatom. The redox and biology activities of these carbon-centered radicals are worthy of evaluation. © 2009 American Chemical Society. |
Persistent Identifier | http://hdl.handle.net/10722/207011 |
ISSN | 2023 Impact Factor: 5.2 2023 SCImago Journal Rankings: 1.018 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Tian, Linwei | - |
dc.contributor.author | Koshland, Catherine P. | - |
dc.contributor.author | Yano, Junko | - |
dc.contributor.author | Yachandra, Vittal K. | - |
dc.contributor.author | Yu, Ignatius | - |
dc.contributor.author | Lee, Shuncheng | - |
dc.contributor.author | Lucas, Donald | - |
dc.date.accessioned | 2014-12-09T04:31:14Z | - |
dc.date.available | 2014-12-09T04:31:14Z | - |
dc.date.issued | 2009 | - |
dc.identifier.citation | Energy and Fuels, 2009, v. 23, n. 5, p. 2523-2526 | - |
dc.identifier.issn | 0887-0624 | - |
dc.identifier.uri | http://hdl.handle.net/10722/207011 | - |
dc.description.abstract | Electron paramagnetic resonance (EPR) spectroscopy was used to measure the free radicals in the particulate matter (PM) emissions from wood and coal combustion. The intensity of radicals in PM dropped linearly within two months of sample storage and stabilized after that. This factor of storage time was adjusted when comparing radical intensities among different PM samples. An inverse relationship between coal rank and free radical intensities in PM emissions was observed, which was in contrast with the pattern of radical intensities in the source coals. The strong correlation between intensities of free radical and elemental carbon in PM emissions suggests that the radical species may be carbon-centered. The increased g-factors, 2.0029-2.0039, over that of purely carbon-centered radicals may indicate the presence of vicinal oxygen heteroatom. The redox and biology activities of these carbon-centered radicals are worthy of evaluation. © 2009 American Chemical Society. | - |
dc.language | eng | - |
dc.relation.ispartof | Energy and Fuels | - |
dc.title | Carbon-centered free radicals in participate matter emissions from wood and coal combustion | - |
dc.type | Article | - |
dc.description.nature | link_to_OA_fulltext | - |
dc.identifier.doi | 10.1021/ef8010096 | - |
dc.identifier.scopus | eid_2-s2.0-67649223617 | - |
dc.identifier.volume | 23 | - |
dc.identifier.issue | 5 | - |
dc.identifier.spage | 2523 | - |
dc.identifier.epage | 2526 | - |
dc.identifier.isi | WOS:000267416600025 | - |
dc.identifier.issnl | 0887-0624 | - |