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Metal catalyzed for...
Metal catalyzed formation of chlorinated aromatic compounds : a study of the correlation pattern in incinerator fly ash.
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- Öberg, Tomas, 1956- (författare)
- Högskolan i Kalmar,Naturvetenskapliga institutionen
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- Öhrström, Tomas (författare)
- Bergström & Öhrström
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- Bergström, Jan (författare)
- Bergström & Öhrström
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(creator_code:org_t)
- Oxford : Pergamon Press, 2007
- 2007
- Engelska.
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Ingår i: Chemosphere. - Oxford : Pergamon Press. - 0045-6535 .- 1879-1298. ; 67:9, s. S185-S190
- Relaterad länk:
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http://www.sciencedi...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Chlorinated aromatics are unintentionally formed and released from combustion and other thermal processes involving organic matter and chlorine. The catalytic activity of incinerator fly ash in the low-temperature formation of chlorinated aromatics has been demonstrated in both laboratory experiments and full-scale trials. Copper has been shown to be an effective catalyst, but several other transition metals possess a similar activity. Here results are reported from a series of full-scale combustion trials with different fractions of household and industrial wastes, with waste from forestry as a reference fuel. The composition of elements and chlorinated aromatics in the fly ash was evaluated with principal component analysis and partial least squares regression. The observed correlation pattern indicates that metals other than copper are of equal importance for the catalytic activity. Chromium and nickel are two of these metals, which may contribute to the de novo formation of chlorinated benzenes, phenols, PCDD and PCDF.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
Nyckelord
- Catalysis
- Chlorobenzenes
- Chlorophenols
- Dioxins
- Chromium
- Fly ash
- Environmental chemistry
- Miljökemi
- Environmental Science
- Miljövetenskap
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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