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Microwave Vitrification of Model Heavy Metals Carriers From Wastewaters Treatment

Published online by Cambridge University Press:  15 February 2011

Milota Kovacova ,
Michal Lovas ,
Stefan Jakabsky ,
Maximina Romero  and
Jesus Ma Rincon
Milota Kovacova
Affiliation:
Institute of Geotechnics, Slovak Academy of Sciences, Watsonova 45, 043 53 Kosice, Slovakia
Michal Lovas
Affiliation:
Institute of Geotechnics, Slovak Academy of Sciences, Watsonova 45, 043 53 Kosice, Slovakia
Stefan Jakabsky
Affiliation:
Institute of Geotechnics, Slovak Academy of Sciences, Watsonova 45, 043 53 Kosice, Slovakia
Maximina Romero
Affiliation:
Institute of Geotechnics, Slovak Academy of Sciences, Watsonova 45, 043 53 Kosice, Slovakia Group/Lab of Vitreous and Ceramic Materials, Instituto E. Torroja de CC Construccion (IETcc, CSIC), Madrid, Spain
Jesus Ma Rincon
Affiliation:
Institute of Geotechnics, Slovak Academy of Sciences, Watsonova 45, 043 53 Kosice, Slovakia Group/Lab of Vitreous and Ceramic Materials, Instituto E. Torroja de CC Construccion (IETcc, CSIC), Madrid, Spain
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Abstract

The metallurgical industry of ferrous and non-ferrous metals produce huge amount of wastes. In Slovakia, the factory for nickel production was closed in 1993, but around 5.5 kt of wastes remain in a dump. This waste was used as a model sorbent of heavy metals (Cu, Cd, Co) from wastewater treatments. The TCLP (Toxicity Characteristic Leaching Procedure) test of precipitated heavy metals on waste materials has confirmed the necessity of waste stabilization. The microwave vitrification was applied because of a high content of iron in waste. After vitrification, the chemical durability and microhardness by indentation have been tested in the glassy and glassceramics obtained.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1193: Scientific Basis for Nuclear Waste Management XXXIII , 2009 , 323
Copyright
Copyright © Materials Research Society 2009

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