About: Experimental in Situ Transformation of Pb Smelter Fly Ash in Acidic Soils

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1021/es301474v
Description	Soils in the vicinity of nonferrous metal smelters are often highly polluted by inorganic contaminants released from particulate emissions. We used a technique with double polyamide experimental bags (1-mu m mesh) to study the in situ transformation of fly ash (FA) from a secondary Pb smelter in acidic soil profiles. Between 62 and 66% of the FA dissolved after one year's exposure in the soils, leading to complete dissolution of primary caracolite (Na3Pb2(SO4)(3)Cl) and KPb2Cl5, with formation of secondary anglesite (PbSO4), minor PbSO3, and trace carbonates. Release of Pb was pH-dependent, whereas not for Cd and Zn. Significant amounts of metals (mainly Cd and Zn) partitioned into labile soil fractions. The field data agreed with laboratory pH-static leaching tests performed on FA, which was washed before the experiment to remove soluble salts. This indicates that appropriate laboratory leaching can accurately predict FA behavior in real-life scenarios (e.g., exposure in soil). Soils in the vicinity of nonferrous metal smelters are often highly polluted by inorganic contaminants released from particulate emissions. We used a technique with double polyamide experimental bags (1-mu m mesh) to study the in situ transformation of fly ash (FA) from a secondary Pb smelter in acidic soil profiles. Between 62 and 66% of the FA dissolved after one year's exposure in the soils, leading to complete dissolution of primary caracolite (Na3Pb2(SO4)(3)Cl) and KPb2Cl5, with formation of secondary anglesite (PbSO4), minor PbSO3, and trace carbonates. Release of Pb was pH-dependent, whereas not for Cd and Zn. Significant amounts of metals (mainly Cd and Zn) partitioned into labile soil fractions. The field data agreed with laboratory pH-static leaching tests performed on FA, which was washed before the experiment to remove soluble salts. This indicates that appropriate laboratory leaching can accurately predict FA behavior in real-life scenarios (e.g., exposure in soil). (en)
Title	Experimental in Situ Transformation of Pb Smelter Fly Ash in Acidic Soils Experimental in Situ Transformation of Pb Smelter Fly Ash in Acidic Soils (en)
skos:prefLabel	Experimental in Situ Transformation of Pb Smelter Fly Ash in Acidic Soils Experimental in Situ Transformation of Pb Smelter Fly Ash in Acidic Soils (en)
skos:notation	RIV/00216208:11310/12:10127530!RIV13-GA0-11310___
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(GAP210/12/1413), Z(AV0Z40320502), Z(MSM0021620855)
http://linked.open...iv/cisloPeriodika	19
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Šebek, Ondřej Mihaljevič, Martin Ettler, Vojtěch
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	135567
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/12:10127530
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	pollution-control residues (en)
http://linked.open.../riv/klicoveSlovo	pollution-control residues
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[52458971E257]
http://linked.open...i/riv/nazevZdroje	Environmental Science and Technology
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Impact of ore mining and processing on the environment in Namibia: Modelling pollutants migration in soils, plants and groundwaters
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Klementová, Mariana Mihaljevič, Martin Ettler, Vojtěch Šebek, Ondřej Grygar, Tomáš Matys
http://linked.open...ain/vavai/riv/wos	000309431200023
http://linked.open...n/vavai/riv/zamer	Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí Material flow mechanisms in the upper spheres of the Earth
issn	0013-936X
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/es301474v
http://localhost/t...ganizacniJednotka	11310

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