Incinerator: Difference between revisions
No edit summary |
No edit summary |
||
Line 1: | Line 1: | ||
{{encyclopedia|moderator=Henrik}} | {{encyclopedia|moderator=Henrik}}''''Incinerator''': a furnace to burn completely waste materials. Incinerators of mixed municipal waste are one of the most important sources of PCDD/Fs in Western Europe. PCDD/Fs are formed, if there is chlorine (especially from polyvinyl chloride plastics, PVC) and certain metals present which catalyse their formation, and thermal conditions are favourable. Incinerators may also vaporise PCDD/Fs, PCBs and their contaminants from the fuel, if the burning conditions are not adequate. Incinerating is a completely valid means of disposing of PCDD/Fs (and PCBs), but the requirements of the incinerator are quite demanding. The temperature must be high enough, and there must be a proper filtering system to collect fly ash that may still contain some PCDD/Fs formed after cooling. It should be noted that dioxins may be formed during any unfavourable combustion process, if the required materials are present, including motor vehicles and small-scale burning of mixed materials (see also [[Combustion]]). | ||
[[category:Dioxin synopsis]] | [[category:Dioxin synopsis]] | ||
<ref>Jouko Tuomisto, Terttu Vartiainen and Jouni T. Tuomisto: Dioxin synopsis. Report. National Institute for Health and Welfare (THL), ISSN 1798-0089 ; 14/2011 [http://www.thl.fi/thl-client/pdfs/81322e2c-e9b6-4003-bb13-995dcd1b68cb]</ref> | |||
==References== | |||
<references/> |
Revision as of 10:14, 31 May 2011
[show] This page is a encyclopedia article.
The page identifier is Op_en3511 |
---|
'Incinerator: a furnace to burn completely waste materials. Incinerators of mixed municipal waste are one of the most important sources of PCDD/Fs in Western Europe. PCDD/Fs are formed, if there is chlorine (especially from polyvinyl chloride plastics, PVC) and certain metals present which catalyse their formation, and thermal conditions are favourable. Incinerators may also vaporise PCDD/Fs, PCBs and their contaminants from the fuel, if the burning conditions are not adequate. Incinerating is a completely valid means of disposing of PCDD/Fs (and PCBs), but the requirements of the incinerator are quite demanding. The temperature must be high enough, and there must be a proper filtering system to collect fly ash that may still contain some PCDD/Fs formed after cooling. It should be noted that dioxins may be formed during any unfavourable combustion process, if the required materials are present, including motor vehicles and small-scale burning of mixed materials (see also Combustion). [1]