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Re: Tire burning Page 2 of 2 <br /> >present. Industry -- via chlorophiles -- informs us that the <br /> Chlorophiles are NOT industry. . . <br /> >presence of certain metallic catalysts has a large bearing on the <br /> >amount of dioxin that is produced. Tires contain steel belts, which <br /> >are alloys of iron, carbon, molybendum, and probably chromium. The <br /> >cogeneration plant is already emitting lead, arsenic, and zinc. To <br /> >what extent do these metals act as catalysts for the formation of <br /> >dioxin/furans? <br /> Antimony, cadmium, copper, lead and zinc are very good catalysts, chromium <br /> and lead to a lesser extent, iron possibly (see iron ore sintering) , <br /> molybdenum: unknown. Also particulate in general and the carbon and <br /> chloride content in it, catalyses the dioxin formation. <br /> Source: Prince Edward Island tests of Environment Canada, EPS 3/UP/1, <br /> Ottawa, September 1985. <br /> >--- <br /> > Is there any validity to <br /> >comparing wood/tire-to-energy plants with cement kilns? To municipal <br /> >or medical waste incinerators? <br /> In fact not to cement kilns (mostly rotary) to a certain extent to waste <br /> incinerators, but in general industrial wood combustion is cleaner, because <br /> with the higher heat content, you can easily reach higher temperatures. <br /> Ferdinand Engelbeen <br /> Ferdinand.Engelbeen@ping.be <br /> . Prev by Date: Re: new: MT chlorines_ ill also created aromatic O-Cl's <br /> . Next by Date: Re: PVC and fires <br /> . Prev by thread: Tire burning <br /> . Next by thread: Re: MT chlorine spill also created_aromatic O-Cl's (fwd) <br /> . Index(es): <br /> o Date <br /> o Thread <br /> http://www.essential.org/listproc/dioxin-1/msg00390.htm1 8/13/98 <br />