2003
DOI: 10.1016/s0165-2370(02)00105-5
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Low temperature mechanism for the formation of polycyclic aromatic hydrocarbons from the pyrolysis of cellulose

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Cited by 243 publications
(149 citation statements)
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“…Heavy PAHs have five or more fused aromatic rings and due to their stability and toxicity are much more dangerous than the light counterparts (Plaza-Bolaños et al, 2010;Wenzl et al, 2006). High combustion temperatures (Maga, 1988;McGrath et al, 2003) and also the use of softwoods (Guillén et al, 2000;Stumpe-Vīksna et al, 2008a) have been reported to enhance the formation of heavy PAHs. In order to reduce these unwanted compounds, alternative strategies have been tested such as the use of external smoke generators, where the smoke is filtered before being introduced into the smoking room (Duedahl-Olesen et al, 2006;Simon et al, 2010), or even controlling products location within the smoking room .…”
Section: Introductionmentioning
confidence: 99%
“…Heavy PAHs have five or more fused aromatic rings and due to their stability and toxicity are much more dangerous than the light counterparts (Plaza-Bolaños et al, 2010;Wenzl et al, 2006). High combustion temperatures (Maga, 1988;McGrath et al, 2003) and also the use of softwoods (Guillén et al, 2000;Stumpe-Vīksna et al, 2008a) have been reported to enhance the formation of heavy PAHs. In order to reduce these unwanted compounds, alternative strategies have been tested such as the use of external smoke generators, where the smoke is filtered before being introduced into the smoking room (Duedahl-Olesen et al, 2006;Simon et al, 2010), or even controlling products location within the smoking room .…”
Section: Introductionmentioning
confidence: 99%
“…Entretanto se não houver oxigênio suficiente o processo de combustão não se completa e parte do combustível dá origem a outros subprodutos como monóxido de carbono e HPAs, processo denominado de pirólise (WILLIAMS; HORNE, 1995;LOPES;ANDRADE, 1996;MCGRATH;CHAN;HAJALIGOL, 2003;MEIRE et. al., 2007;SALGUEIRO, 2008).…”
Section: Formaçãounclassified
“…Durante os processos de pirólise e/ou pirossintese, tanto a quantidade quanto a composição dos HPAs produzidos [31,32] variam em função do material a ser pirolisado, da temperatura de combustão, do tempo de permanência das moléculas no estado gasoso e da concentração de oxigênio. A formação [33] desses compostos é favorecida principalmente em temperaturas entre 400 e 800ºC.…”
Section: Figura 2 Anelação Do Tipo Contornounclassified
“…Já em temperatura igual ou superior a 500ºC observa-se a formação de criseno, benzo(a)antraceno e benzo(a)pireno. Outros HPAs, como indeno(1,2,3-c,d)pireno, dibenzo(a,h)antraceno e benzo(g,h,i)perileno também são produzidos, mas em temperaturas superiores a 600ºC [31,32,33] .…”
Section: Figura 2 Anelação Do Tipo Contornounclassified
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