Mechanistic relationships among PCDDs/Fs, PCNs, PAHs, CIPhs, and CIBzs in municipal waste incineration.
作者： Jeong-Eun Oh , Brian Gullett , Shawn Ryan , Abderrahmane Touati
DOI: 10.1021/ES0629716
关键词:
摘要: An extensive investigation was conducted to understand polychlorinated dibenzo-p-dioxin and furan (PCDD/F) formation mechanisms their relationship with other organic compounds. PCDD/F, chlorophenols (CIPhs), chlorobenzenes (CIBzs), polyaromatic hydrocarbons (PAHs), naphthalenes (PCNs) were analyzed in the boiler exit gases of a field-scale municipal solid waste incinerator under various operating conditions. The TEQ value concentration target compounds changed Low mass PAHs 246-triCIPh increased dramatically during shut downs; latter associated 1368- 1379-TeCDD. A strong correlation observed between PCNs PCDFs adjacent homologue group closely related each other. This suggested that PCN is chlorination/dechlorination similar PCDFs. PCDDs most CIPhs high chlorinated benzenes. Most except had positive (R2 > 0.5) half them showed good 0.8) PCDDs/Fs toxic equivalency (TEQ).
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