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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Aguilar Carrillo, Javier | - |
dc.contributor.author | Barrios, Laura | - |
dc.contributor.author | Garrido, Fernando | - |
dc.contributor.author | García-González, M. T. | - |
dc.date.accessioned | 2010-05-04T11:08:18Z | - |
dc.date.available | 2010-05-04T11:08:18Z | - |
dc.date.issued | 2007 | - |
dc.identifier.citation | Applied Geochemistry 22: 1515-1529 (2007) | en_US |
dc.identifier.issn | 0883-2927 | - |
dc.identifier.uri | http://hdl.handle.net/10261/23893 | - |
dc.description | 15 pages, figures, and tables statistics. | en_US |
dc.description.abstract | To asses the efficiency of two by-products (phosphogypsum (PG) and sugar foam (SF), rich in gypsum and calcium carbonate, respectively) in the immobilization of three toxic elements (As, Cd and Tl) in an acidic soil, batch-scale sorption and desorption experiments were conducted after 18 months of in situ amendment application. The Langmuir isotherms applied for sorption studies showed that the estimated maximum sorption capacity of the elements was highest in the SFtreated samples. The amount of element retained and the percentage of extraction after TCLP tests indicated that those samples amended with sugar foam (SF and PG + SF) had the potential to immobilize As, Cd and Tl in an acidic soil with low sorptive capacity. In addition to sorption and desorption experiments, scanning electron microscopy in back-scattered electron mode (SEM-BSE) showed the formation of Al-hydroxy polymers which provides the soil with additional sorption capacity. The three target elements were associated with the Al-hydroxy polymers, probably through direct coordination or the formation of ternary complexes. By means of statistical analysis it has been found that sorption processes of As, Cd and Tl in this soil mainly depend on the treatment, whereas desorption is an element-dependent process. | en_US |
dc.description.sponsorship | This work was supported by the SpanishMinistry of Science and Technology, within the framework of the research project AGL2005-07017-C03-03. Fertiberia S.A. and Azucarera Ebro S.A. are gratefully acknowledged for supplying us with samples of phosphogypsum and sugar foam, respectively. | en_US |
dc.format.extent | 705840 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | Elsevier | en_US |
dc.rights | closedAccess | en_US |
dc.subject | As | en_US |
dc.subject | Cd | en_US |
dc.subject | Tl | en_US |
dc.subject | Acidic soil | en_US |
dc.title | Effects of industrial by-product amendments on As, Cd and Tl retention/release in an element-spiked acidic soil | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1016/j.apgeochem.2007.03.057 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1016/j.apgeochem.2007.03.057 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.languageiso639-1 | en | - |
item.fulltext | No Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | none | - |
item.openairetype | artículo | - |
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