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Título: | Application of Zeolitised Coal Fly Ashes to the Depuration of Liquid Wastes |
Autor: | Otal, E.; Vilches-Arenas, L. F.; Moreno, Natalia CSIC ORCID ; Querol, Xavier CSIC ORCID ; Vale, J.; Fernández-Pereira, Constantino | Palabras clave: | Leachate treatment Zeolitised fly ash Municipal waste leachate |
Fecha de publicación: | 2005 | Editor: | Elsevier | Citación: | Fuel 84: 1440-1446 (2005) | Resumen: | In this study, the application of some zeolitised fly ashes and synthetic zeolites to the decontamination of the leachate produced in a municipal solid waste (MSW) treatment plant and to the liquid waste from a pig farm was analyzed. Thus, the reduction of organic matter (BOD and COD), ammonium and total nitrogen, phosphorus and metals contents after a zeolite treatment was evaluated. Several synthetic zeolites were tested: some commercial zeolites and other synthetic zeolites and zeolitised ashes obtained after a coal fly ash alkaline hydrothermal process. Two forms of contact between the zeolitic material and the liquid waste were tested: in a stirred tank and in a column. In addition, other variables determined were the amount of zeolite and the residence time. The results showed that zeolites, especially zeolitised fly ash, clearly produced a strong reduction in the leachate nitrogen and phosphorus content. q 2004 Elsevier Ltd. All rights reserved. | Versión del editor: | https://doi.org/10.1016/j.fuel.2004.08.030 | URI: | http://hdl.handle.net/10261/154596 | DOI: | 10.1016/j.fuel.2004.08.030 | Identificadores: | issn: 0016-2361 |
Aparece en las colecciones: | (Geo3Bcn) Artículos |
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