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Konferensartikel - Refereegranskat, 2010

Oxyanions in Waste: Occurrence, Leaching, Stabilisation, Relation to Wastewater Treatment

Vandecasteele, C.; Cornelis, G.


This paper describes the leaching and stabilization of oxyanion forming elements, mainly As, Se and Sb from solid wastes (sludge, fly ash, bottom ash). It is argued that knowledge of the leaching behaviour of oxyanions from waste is of high importance relative to wastewater treatment. Experiments and modelling demonstrate that immobilization of the oxyanions is mainly due to precipitation with Ca and to adsorption and solid solution formation with minerals such as calcite, gypsum, ettringite, HFO and AAM.


Oxyanions; leaching; stabilization; waste; adsorption; precipitation; solid solution; arsenic; selenium; antimony

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NATO Science for Peace and Security Series C: Environmental Security
2010, sidor: 149-159
Titel: Water Treatment Technologies for the Removal of High-Toxicity Pollutants
ISBN: 978-90-481-3495-3, eISBN: 978-90-481-3497 -7
Utgivare: Springer


NATO Advanced Research Workshop on Water Treatment Technologies for the Removal of High-Toxicity Pollutants, SEP 13-17, 2008, Kosice, SLOVAKIA

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