VOC Destruction by Water Diluted Hydrogen Mild Combustion (Articolo in rivista)

Type
Label
  • VOC Destruction by Water Diluted Hydrogen Mild Combustion (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.chemosphere.2006.12.061 (literal)
Alternative label
  • Sabia P.; Romeo F.; de Joannon M.; Cavaliere A. (2007)
    VOC Destruction by Water Diluted Hydrogen Mild Combustion
    in Chemosphere; Elsevier, Oxford (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sabia P.; Romeo F.; de Joannon M.; Cavaliere A. (literal)
Pagina inizio
  • 330 (literal)
Pagina fine
  • 337 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 68 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IRC-CNR UNIV. FEDERICO II FACOLTA' DI INGEGNERIA DIP. INGEGNERIA CHIMICA (literal)
Titolo
  • VOC Destruction by Water Diluted Hydrogen Mild Combustion (literal)
Abstract
  • This study represents a preliminary numerical evaluation of the effect of steam dilution and hydrogen addition on the oxidation of formaldehyde and benzene, chosen as representative of the volatile organic compounds (VOC), in mild condition by evaluating the autoignition time and the steady state attainment. These parameters are important in the design of thermal VOC destruction plants since they influence the abatement efficiency and, therefore, the plant dimension. It has come out that, in comparison with the system diluted in nitrogen, steam induces lower autoignition times and, on the other hand, longer times for the attainment of the steady state. In contrast, for very high water content the autoignition time slightly increases. In particular results have shown that is possible to identify an optimum value of steam content that allows for the attainment of the steady state condition by the lowest residence time. Hydrogen addition to systems diluted in nitrogen promotes the oxidation reactions and anticipates the steady state condition. In steam diluted systems hydrogen delays the autoignition of the mixtures even though anticipates the attainment of the complete destruc- tion of the VOC. The rate of production analysis has showed that the H2/O2 reactions, that promote the ignition and the destruction of VOC, are sen- sibly modified by the presence of water and hydrogen. (literal)
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