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HERO ID
6953263
Reference Type
Journal Article
Title
Heavy metal content of bottom ashes from a fuel oil power plant and oil refinery in Cuba
Author(s)
Alonso-Hernández, CM; Bernal-Castillo, J; Bolanos-Alvarez, Y; Gómez-Batista, M; Diaz-Asencio, M
Year
2011
Is Peer Reviewed?
1
Journal
Fuel
ISSN:
0016-2361
EISSN:
1873-7153
Volume
90
Issue
8
Page Numbers
2820-2823
Language
English
DOI
10.1016/j.fuel.2011.03.014
Web of Science Id
WOS:000290899500036
Abstract
Fly and bottom ashes from fuel oil power plants and oil refineries may contain hazardous trace elements, such as heavy metals, which have a negative impact on the environment with time due to potential leaching through acid rains and into groundwaters. This study provides levels of As, Cr, Cu, Hg, Mn, Ni, Pb, Ti, V and Zn of bottom ashes from a thermal power plant and an oil refinery placed in Cienfuegos Bay, Cuba. Trace elements were measured using X-ray fluorescence (XRF) with a SPECTOR X-LAB PRO 2000 system. High contents of Cr, Ni, Pb, Ti, V and Zn were found in the ashes, with values significantly higher than those reported in literature. According to Cuban regulations these ashes are classified as hazardous waste. For this reason we discuss some management alternatives. This study represents the first report of heavy metals in bottom ashes from power plants and oil refineries in Cuba.
Keywords
Heavy metals; Ash; Hazardous waste; Cienfuegos; Cuba
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