Combustion wastes from thermal power stations and household stoves : A comparison of properties, mineralogical and chemical composition, and element mobilization by water and fertilizers

Copyright © 2021 Elsevier Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Waste management (New York, N.Y.). - 1999. - 131(2021) vom: 15. Juli, Seite 136-146
1. Verfasser: Pędziwiatr, Artur (VerfasserIn)
Weitere Verfasser: Potysz, Anna, Uzarowicz, Łukasz
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Waste management (New York, N.Y.)
Schlagworte:Journal Article Ash Contaminants REE Soil additives Soot Coal Coal Ash Fertilizers Water 059QF0KO0R
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520 |a Wood and coal combustion generate wastes, which may negatively influence the environment. However, studies concerning coal combustion products serving as soil additives are currently in progress. Hence, this study was conducted to compare properties (mineralogy, metallic element content, and rare earth element content) of combustion wastes of different genesis (ash and soot after wood and coal combustion in households, ash from thermal power stations) and to assess possible risk posed to the soil environment when used as soil additive. This study demonstrated the diversity of chemical and mineralogical features of ashes of household genesis originating from thermal power stations. Ash from household stoves showed a higher concentration of metallic elements (i.e., Zn) compared to those originating from thermal power stations. Antimony (Sb) content in household ash can serve as an indicator of plastic (polyethylene) combustion, which is legally prohibited. Leaching tests using water and common mineral fertilizers showed that ammonium sulfate mobilizes metallic elements (Cu, Zn, Pb) more significantly than potassium nitrate or deionized water. The leaching of metallic elements from household stove's ash certainly excludes the possibility of applying the ash as a soil additive even when the ash contains a source of beneficial elements for plants (i.e., Ca) 
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700 1 |a Potysz, Anna  |e verfasserin  |4 aut 
700 1 |a Uzarowicz, Łukasz  |e verfasserin  |4 aut 
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