Comparative Analysis of PCDD/Fs Formation during Pyrolysis and Incineration of Medical Wasteстатья
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Дата последнего поиска статьи во внешних источниках: 20 декабря 2019 г.
Аннотация:Medical waste is a special kind of hazardous materials, which disposal leads to
considerable pollution of the environment. The widespread method of medical waste disposal
is thermal treatment (pyrolysis or incineration), which gives appropriate transformation of
waste into a safe form (ash) and energy. On the other hand, the thermal treatment of medical
waste that contain chlorine leads to the formation of polychlorinated dibenzo-p-dioxins and
dibenzofurans (PCDD/Fs), most toxic representatives of organic pollutants. This paper
analyses various mechanisms of the PCDD/Fs formation during thermal treatment of chlorinecontaining
medical waste. The features of these mechanisms are considered. It is shown that in
pyrolytic conditions the PCDD/Fs yield is much lower than under direct incineration. Optimal
temperature conditions are determined, under which the formation of these compounds is
minimal.