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12. | | ZANETTI, M. R.; PUGLIERO, V. S.; ALMEIDA, M. B. de; ASSAD, E. D. Cálculo de tamanho de amostra para análise de acurácia em mapeamentos temáticos. In: MOSTRA DE ESTAGIÁRIOS E BOLSISTAS DA EMBRAPA INFORMÁTICA AGROPECUÁRIA, 14., 2018, Campinas. Resumos expandidos... Brasília, DF: Embrapa, 2018. p. 68-71. (Embrapa Informática Agropecuária. Eventos técnicos & científicos, 1). Editores técnicos: Carla Geovana do Nascimento Macário, Carla Cristiane Osawa, Flávia Bussaglia Fiorini, Maria Fernanda Moura, Poliana Fernanda Giachetto. Biblioteca(s): Embrapa Agricultura Digital. |
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20. | | ABDELNUR, P. V.; VAZ, B. G.; ROCHA, J. D.; ALMEIDA, M. B. B.; PEREIRA, R. C. L. Analysis of bio-oils from different pyrolysis process steps and biomass from different pyrolysis process steps and biomass using FT-IC-MS and Q -TOF-MS. In: CONFERENCE ON MASS SPECTROMETRY AND ALLIED TOPICS, 60., 2012, Vancouver. [Anais…]. Santa Fe, NM: American Society for Mass Spectrometry, 2012. Não paginado. Biblioteca(s): Embrapa Agroenergia. |
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Registro Completo
Biblioteca(s): |
Embrapa Agroenergia. |
Data corrente: |
11/11/2013 |
Data da última atualização: |
21/09/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
ABDELNUR, P. V.; VAZ, B. G.; ROCHA, J. D.; ALMEIDA, M. B. B. de; TEIXEIRA, M. A. G.; PEREIRA, R. C. L. |
Afiliação: |
PATRICIA VERARDI ABDELNUR, CNPAE; Boniek G. Vaz, Universidade Federal do Goiás; JOSE DILCIO ROCHA, CNPAE; Marlon B. B. de Almeida, Petrobrás; Marco Antonio G. Teixeira, Petrobrás; Rosana C. L. Pereira, Petrobras. |
Título: |
Characterization of bio-oils from different pyrolysis process steps and biomass using high-resolution mass spectrometry. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Energy & Fuels, v. 27, n. 11, p. 6646-6654, 2013. |
DOI: |
10.1021/ef400788v |
Idioma: |
Inglês |
Conteúdo: |
Next-generation biofuels have been widely investigated because they have particular advantages compared to first-generation biofuels. Pyrolysis is an example of a thermochemical route extensively used in oil and coal industries worldwide to produce these biofuels. Strategies for low-cost upgrading are among the biggest challenges facing the adoption of bio-oils in the development of commercial biofuels. Specific biomass sources could be the best option for generating bio-oil with the required properties. For this, it is necessary to understand the composition of these biomasses and their bio-oils. Here, we analyzed bio-oil samples from the fast pyrolysis of different biomasses collected during two different steps of the process by direct-infusion high-resolution mass spectrometry. First, a comparative study of two common high-resolution mass spectrometers, quadrupole time-of-flight mass spectrometry (Q-TOF MS) and Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS), was performed to validate the methodology and to investigate the differences in mass discrimination and resolution. FT-ICR MS showed the best performance because of its unsurpassed resolution and accuracy. We apply the common petroleomics tools to interpret the mass spectra obtained. The FT-ICR MS analysis reveals that bio-oils are dominated by Ox species. The class profile of bio-oils was strongly affected by the biomass and steps of the pyrolysis process. |
Palavras-Chave: |
Bio-oils. |
Thesaurus NAL: |
biofuels; biomass. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02155naa a2200229 a 4500 001 1970901 005 2017-09-21 008 2013 bl uuuu u00u1 u #d 024 7 $a10.1021/ef400788v$2DOI 100 1 $aABDELNUR, P. V. 245 $aCharacterization of bio-oils from different pyrolysis process steps and biomass using high-resolution mass spectrometry.$h[electronic resource] 260 $c2013 520 $aNext-generation biofuels have been widely investigated because they have particular advantages compared to first-generation biofuels. Pyrolysis is an example of a thermochemical route extensively used in oil and coal industries worldwide to produce these biofuels. Strategies for low-cost upgrading are among the biggest challenges facing the adoption of bio-oils in the development of commercial biofuels. Specific biomass sources could be the best option for generating bio-oil with the required properties. For this, it is necessary to understand the composition of these biomasses and their bio-oils. Here, we analyzed bio-oil samples from the fast pyrolysis of different biomasses collected during two different steps of the process by direct-infusion high-resolution mass spectrometry. First, a comparative study of two common high-resolution mass spectrometers, quadrupole time-of-flight mass spectrometry (Q-TOF MS) and Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS), was performed to validate the methodology and to investigate the differences in mass discrimination and resolution. FT-ICR MS showed the best performance because of its unsurpassed resolution and accuracy. We apply the common petroleomics tools to interpret the mass spectra obtained. The FT-ICR MS analysis reveals that bio-oils are dominated by Ox species. The class profile of bio-oils was strongly affected by the biomass and steps of the pyrolysis process. 650 $abiofuels 650 $abiomass 653 $aBio-oils 700 1 $aVAZ, B. G. 700 1 $aROCHA, J. D. 700 1 $aALMEIDA, M. B. B. de 700 1 $aTEIXEIRA, M. A. G. 700 1 $aPEREIRA, R. C. L. 773 $tEnergy & Fuels$gv. 27, n. 11, p. 6646-6654, 2013.
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