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Volatile organic compound emissions from elephant grass and bamboo cultivars used as potential bioethanol crop

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Title: Volatile organic compound emissions from elephant grass and bamboo cultivars used as potential bioethanol crop
Authors: Crespo, E.1, Graus, M.2,3, Gilman, J.B.2,3, Lerner, B.M.2,3, Fall, R.2, Harren, F.J.M.1, Warneke, C.2,3 carsten.warneke@noaa.gov
Source: Atmospheric Environment. Feb2013, Vol. 65, p61-68. 8p.
Subject Terms: *Volatile organic compounds, *Emissions (Air pollution), *Gas chromatography/Mass spectrometry (GC-MS), *Atmospheric chemistry, *Ethanol as fuel, *Plant species, Cenchrus purpureus, Bamboo varieties
Abstract: Abstract: Volatile organic compound (VOC) emissions from elephant grass (Miscanthus gigantus) and black bamboo (Phyllostachys nigra) were measured online in semi-field chamber and plant enclosure experiments during growth and harvest using proton-transfer reaction mass spectrometry (PTR-MS), proton-transfer reaction ion-trap mass spectrometry (PIT-MS) and gas chromatography-mass spectrometry (GC–MS). Both cultivars are being considered for second-generation biofuel production. Before this study, no information was available on their yearly VOC emissions. This exploratory investigation shows that black bamboo is a strong isoprene emitter (daytime 28,516 ng gdwt −1 h−1) and has larger VOC emissions, especially for wound compounds from the hexanal and hexenal families, than elephant grass. Daytime emissions of methanol, acetaldehyde, acetone + propanal and acetic acid of black bamboo were 618, 249, 351, and 1034 ng gdwt −1 h−1, respectively. In addition, it is observed that elephant grass VOC emissions after harvesting strongly depend on the seasonal stage. Not taking VOC emission variations throughout the season for annual and perennial species into account, may lead to an overestimation of the impact on local air quality in dry periods. In addition, our data suggest that the use of perennial grasses for extensive growing for biofuel production have lower emissions than woody species, which might be important for regional atmospheric chemistry. [Copyright &y& Elsevier]
Copyright of Atmospheric Environment is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Volatile organic compound emissions from elephant grass and bamboo cultivars used as potential bioethanol crop
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  Data: <searchLink fieldCode="AR" term="%22Crespo%2C+E%2E%22">Crespo, E.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Graus%2C+M%2E%22">Graus, M.</searchLink><relatesTo>2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Gilman%2C+J%2EB%2E%22">Gilman, J.B.</searchLink><relatesTo>2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Lerner%2C+B%2EM%2E%22">Lerner, B.M.</searchLink><relatesTo>2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Fall%2C+R%2E%22">Fall, R.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Harren%2C+F%2EJ%2EM%2E%22">Harren, F.J.M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Warneke%2C+C%2E%22">Warneke, C.</searchLink><relatesTo>2,3</relatesTo><i> carsten.warneke@noaa.gov</i>
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  Data: <searchLink fieldCode="JN" term="%22Atmospheric+Environment%22">Atmospheric Environment</searchLink>. Feb2013, Vol. 65, p61-68. 8p.
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  Data: *<searchLink fieldCode="DE" term="%22Volatile+organic+compounds%22">Volatile organic compounds</searchLink><br />*<searchLink fieldCode="DE" term="%22Emissions+%28Air+pollution%29%22">Emissions (Air pollution)</searchLink><br />*<searchLink fieldCode="DE" term="%22Gas+chromatography%2FMass+spectrometry+%28GC-MS%29%22">Gas chromatography/Mass spectrometry (GC-MS)</searchLink><br />*<searchLink fieldCode="DE" term="%22Atmospheric+chemistry%22">Atmospheric chemistry</searchLink><br />*<searchLink fieldCode="DE" term="%22Ethanol+as+fuel%22">Ethanol as fuel</searchLink><br />*<searchLink fieldCode="DE" term="%22Plant+species%22">Plant species</searchLink><br /><searchLink fieldCode="DE" term="%22Cenchrus+purpureus%22">Cenchrus purpureus</searchLink><br /><searchLink fieldCode="DE" term="%22Bamboo+varieties%22">Bamboo varieties</searchLink>
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  Data: Abstract: Volatile organic compound (VOC) emissions from elephant grass (Miscanthus gigantus) and black bamboo (Phyllostachys nigra) were measured online in semi-field chamber and plant enclosure experiments during growth and harvest using proton-transfer reaction mass spectrometry (PTR-MS), proton-transfer reaction ion-trap mass spectrometry (PIT-MS) and gas chromatography-mass spectrometry (GC–MS). Both cultivars are being considered for second-generation biofuel production. Before this study, no information was available on their yearly VOC emissions. This exploratory investigation shows that black bamboo is a strong isoprene emitter (daytime 28,516 ng gdwt −1 h−1) and has larger VOC emissions, especially for wound compounds from the hexanal and hexenal families, than elephant grass. Daytime emissions of methanol, acetaldehyde, acetone + propanal and acetic acid of black bamboo were 618, 249, 351, and 1034 ng gdwt −1 h−1, respectively. In addition, it is observed that elephant grass VOC emissions after harvesting strongly depend on the seasonal stage. Not taking VOC emission variations throughout the season for annual and perennial species into account, may lead to an overestimation of the impact on local air quality in dry periods. In addition, our data suggest that the use of perennial grasses for extensive growing for biofuel production have lower emissions than woody species, which might be important for regional atmospheric chemistry. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Atmospheric Environment is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.atmosenv.2012.10.009
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      – Code: eng
        Text: English
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        PageCount: 8
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      – SubjectFull: Volatile organic compounds
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      – SubjectFull: Emissions (Air pollution)
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      – SubjectFull: Gas chromatography/Mass spectrometry (GC-MS)
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      – SubjectFull: Atmospheric chemistry
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      – SubjectFull: Ethanol as fuel
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      – SubjectFull: Plant species
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      – SubjectFull: Cenchrus purpureus
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      – SubjectFull: Bamboo varieties
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      – TitleFull: Volatile organic compound emissions from elephant grass and bamboo cultivars used as potential bioethanol crop
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              Text: Feb2013
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              Y: 2013
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