Corrosion Behaviour of Vitrified Heavy Metals from Industrial Waste

Sonia Regina Homem de Mello-Castanho; Antônio Carlos  da Silva; Wilson Acchar; Ana M. Segadães

doi:10.4028/www.scientific.net/AST.45.178

Paper Titles

Corrosion of Glazes Coated with Functional Films in Detergent Solutions
p.156

Effect of Dense Layer Formation on Dissolution Rate of MgO-C Refractory in Molten Slag
p.162

Corrosion of Mullite in Contaminated Water Rich Gas Mixtures at High Temperatures: The Effect of Impurity Diffusion
p.167

Corrosion Behaviour of Structural Ceramics in Supercritical Water
p.173

Corrosion Behaviour of Vitrified Heavy Metals from Industrial Waste
p.178

Hydrothermal Synthesis of Advanced Ceramic Powders
p.184

Morphology of Zirconia Nanopowders Crystallised under Hydrothermal Conditions
p.194

Preparation and Characterization of Copper-Doped Tin Oxide Nanopowder via Hydrothermal Route
p.200

TiO₂ Nanopowders for Sensing Applications; A Comparison between Traditional and Hydrothermal Synthesis Way
p.205

HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 45Corrosion Behaviour of Vitrified Heavy Metals from...

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.

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Periodical:

Advances in Science and Technology (Volume 45)

Pages:

178-183

DOI:

https://doi.org/10.4028/www.scientific.net/AST.45.178

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Online since:

October 2006

Authors:

Sonia Regina Homem de Mello-Castanho, Antônio Carlos da Silva, Wilson Acchar, Ana M. Segadães

Keywords:

Environment, Galvanic Waste, Recycling, Silicate Glass

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