Paper Title:
Corrosion Behaviour of Vitrified Heavy Metals from Industrial Waste
  Abstract

The vitrification process is an attractive route for the inertization treatment of hazardous industrial wastes. The corrosion resistance of this kind of materials is one of the most important requirements to ensure the long term retention of the toxic metals. In this work, silicate glasses with various waste concentrations were obtained using a galvanic sludge from metallurgical activities and glass forming rejects from ceramic activities. Glasses with several galvanic waste concentrations were obtained. The corrosion behaviour of the vitrified materials under various pH media was evaluated. The FTIR technique was used to investigate the glass structural modifications. Glasses containing 40 wt.% galvanic waste additions show higher resistance to corrosion media than those without waste additions.

  Info
Periodical
Edited by
P. VINCENZINI
Pages
178-183
DOI
10.4028/www.scientific.net/AST.45.178
Citation
S. R. H. de Mello-Castanho, A. C. da Silva, W. Acchar, A. M. Segadães, "Corrosion Behaviour of Vitrified Heavy Metals from Industrial Waste", Advances in Science and Technology, Vol. 45, pp. 178-183, 2006
Online since
October 2006
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