Polychlorinated naphthalene (PCNs) have similar structure and toxicity with dioxin class (PCDD/Fs), it can be detected in the global environmental and biological samples. This paper introduces the main sources of ...Polychlorinated naphthalene (PCNs) have similar structure and toxicity with dioxin class (PCDD/Fs), it can be detected in the global environmental and biological samples. This paper introduces the main sources of PCNs in the environment and environmental fate, introduced emphasis with the emission characteristics of PCNs in burning and metal smelting process, this article summarized the current PCNs city environmental and biotic pollution level and distribution characteristics, summarized and discussed related research of PCNs pollution level and distribution characteristics near the various environmental media and organisms in the city. Finally, the paper put forward the research progress of PCNs in related research areas and challenges.展开更多
文摘Polychlorinated naphthalene (PCNs) have similar structure and toxicity with dioxin class (PCDD/Fs), it can be detected in the global environmental and biological samples. This paper introduces the main sources of PCNs in the environment and environmental fate, introduced emphasis with the emission characteristics of PCNs in burning and metal smelting process, this article summarized the current PCNs city environmental and biotic pollution level and distribution characteristics, summarized and discussed related research of PCNs pollution level and distribution characteristics near the various environmental media and organisms in the city. Finally, the paper put forward the research progress of PCNs in related research areas and challenges.