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dc.contributor.author
Gómez, Darío
dc.contributor.author
Dos Santos, Marina
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dc.contributor.author
Fujiwara, Fabián Guillermo
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dc.contributor.author
Polla, Griselda
dc.contributor.author
Marrero, Julieta
dc.contributor.author
Dawidowski, Laura
dc.contributor.author
Smichowski, Patricia Nora
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dc.date.available
2020-01-10T20:17:49Z
dc.date.issued
2007-04
dc.identifier.citation
Gómez, Darío; Dos Santos, Marina; Fujiwara, Fabián Guillermo; Polla, Griselda; Marrero, Julieta; et al.; Fractionation of metals and metalloids by chemical bonding from particles accumulated by electrostatic precipitation in an Argentine thermal power plant; Elsevier Science; Microchemical Journal; 85; 2; 4-2007; 276-284
dc.identifier.issn
0026-265X
dc.identifier.uri
http://hdl.handle.net/11336/94388
dc.description.abstract
A study was undertaken to evaluate the distribution of Al, As, Cr, Cu, Fe, Mn, Ni, Pb, Ti, V and Zn in fly ashes collected in the electrostatic precipitator of a thermal power plant in San Nicolás (Argentina). Five samples were collected during one week of operation. For the fractionation, the scheme applied consisted in extracting the elements in four fractions namely (i) soluble and exchangeable elements; (ii) carbonates, oxides and reducible elements; (iii) bound to sulfidic metals; and (iv) residual elements. Metals and metalloids at μg g− 1 level were determined in each fraction by inductively coupled plasma optical emission spectrometry (ICP OES). For validation, a standard reference material (SRM 1633 coal fly ash) from NIST was subjected to the same chemical sequential extraction procedure that the samples. X-ray diffraction powder (XRD) analysis and scanning electron microscopy (SEM) were used to characterize the major minerals present in the matrix. Total analyte concentration (in μg g− 1) varied from 10.6 for Pb to 17,622 for Al. Minimum and maximum concentrations (in μg g− 1) found in individual samples in the four fractions were: Al, 92.7–9668; As, < 0.3–143; Cr, 2.0–10.4; Cu, < 0.2–35.6; Fe, < 0.3–4992; Mn, < 0.1–128; Ni, < 0.3–139; Pb, < 0.5–9.1; Ti, < 0.3–2243; V, 17.0–112.9; and Zn, < 0.1–68.2. The leachability of the 11 elements under study proved to be different. Low percentages of Al (1%), V (7%) and Cr (8%) were detected in the most bioavailable fraction. Arsenic was found to be most abundant in the non-silicate phase, represented by the second and third fractions, while Cr, Fe, Ni, Pb and Zn were mostly associated to the residual fraction.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
FLY ASH
dc.subject
COAL
dc.subject
FRACTIONATION
dc.subject
MINOR
dc.subject
MAJOR
dc.subject
TRACE ELEMENTS
dc.subject.classification
Química Analítica
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dc.subject.classification
Ciencias Químicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Fractionation of metals and metalloids by chemical bonding from particles accumulated by electrostatic precipitation in an Argentine thermal power plant
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-11-25T18:22:49Z
dc.journal.volume
85
dc.journal.number
2
dc.journal.pagination
276-284
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Gómez, Darío. Comisión Nacional de Energía Atómica; Argentina
dc.description.fil
Fil: Dos Santos, Marina. Comisión Nacional de Energía Atómica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Fujiwara, Fabián Guillermo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina
dc.description.fil
Fil: Polla, Griselda. Comisión Nacional de Energía Atómica; Argentina
dc.description.fil
Fil: Marrero, Julieta. Comisión Nacional de Energía Atómica; Argentina
dc.description.fil
Fil: Dawidowski, Laura. Comisión Nacional de Energía Atómica; Argentina
dc.description.fil
Fil: Smichowski, Patricia Nora. Comisión Nacional de Energía Atómica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Microchemical Journal
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0026265X06001408
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.microc.2006.06.018
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