Chemical durability of glasses obtained by vitrification of industrial wastes

Pisciella, Paola; Crisucci, S; Karamanov, Alexander; Pelino, M.

doi:10.1016/s0956-053x(00)00077-5

Cited by 131 publications

(68 citation statements)

References 5 publications

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“…Reusing jarosite and goethite from hydrometallurgical processes to obtain glass and glassceramic materials has been reported in several papers [172][173][174][175][176][177][178]. Jarosite (KFe 3 (SO 4 ) 2 (OH) 6 ) red mud comes from electrolytic zinc hydrometallurgy.…”

Section: Zinc-hydrometallurgy Wastesmentioning

confidence: 99%

Glass-ceramics: Their production from wastes—A Review

2006

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Glass-ceramics are polycrystalline materials of fine microstructure that are produced by the controlled crystallisation (devitrification) of a glass. Numerous silicate based wastes, such as coal combustion ash, slag from steel production, fly ash and filter dusts from waste incinerators, mud from metal hydrometallurgy, different types of sludge as well as glass cullet or mixtures of them have been considered for the production of glass-ceramics. Developments of glassceramics from waste using different processing methods are described comprehensively in this review, covering R&D work carried out worldwide in the last 40 years. Properties and applications of the different glass-ceramics produced are discussed. The review reveals that considerable knowledge and expertise has been accumulated on the process of transformation of silicate waste into useful glass-ceramic products. These glass-ceramics are attractive as building materials for usage as construction and architectural components or for other specialised technical applications requiring a combination of suitable thermo-mechanical properties.

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Section: Zinc-hydrometallurgy Wastesmentioning

confidence: 99%

Glass-ceramics: Their production from wastes—A Review

2006

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“…The interaction of the leaching medium (aggressive solution) with the amorphous and crystalline phases at the glass surface can be expressed as weight-loss in function of time according to Pisciella et al 29 . Table 4 collects the weight loss measurements for PG glass and glass-ceramics in both NaOH and HCl solutions.…”

Section: Resultsmentioning

confidence: 99%

Leaching behaviour of a glassy slag and derived glass ceramics from arc plasma vitrification of hospital wastes

Romero

Hernández-Crespo

Rincón

2009

Advances in Applied Ceramics

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The arc-plasma vitrification of a hospital wastes containing metals and inorganic oxides yields to a leachresistant glassy or vitreous slag, which can be environmentally safe for landfill disposal or could be transformed in glass-ceramic tiles with physical and mechanical properties similar to those showed by marketable products for building applications. Standard methods have been used for testing the leachability of elements from this new type of tiles. The water resistance was evaluated by the DIN 38414 S4 standard and the chemical durability of glass and glass-ceramics by the weight losses per surface unit, employing NaOH and HCl (5%) aqueous solutions, at boiling temperature. Results show that although glass-ceramic tiles are most water leachable than original plasma vitreous glass, the concentration of toxic minor elements in their leaching solutions are lower than those allowed by the Normative.

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“…Due to the high content of silicon, aluminum and other elements that the ground consists of, it is a good material for vitrifi cation [3]. More and more frequently fl y ash from the incineration of municipal waste and sewage sludge is subjected to vitrifi cation [5,10,12,15].…”

Section: Introductionmentioning

confidence: 99%

Suitability Tests of Fly Ashes Vitrification from Sewage Sludge Incineration

Borowski¹

2012

Archives of Environmental Protection

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Abstract:The paper presents the results of preliminary studies on the properties of products made by vitrifi cation of waste containing fl y ashes from sewage sludge incineration. The performed tests of hazardous substances leached from the ashes, as well as the results of other laboratory tests confi rmed the effi cacy of vitrifi cation. It has been found that the resulting products (sinters) could be used as a substitute aggregate for road foundations.

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Chemical durability of glasses obtained by vitrification of industrial wastes

Cited by 131 publications

References 5 publications

Glass-ceramics: Their production from wastes—A Review

Glass-ceramics: Their production from wastes—A Review

Leaching behaviour of a glassy slag and derived glass ceramics from arc plasma vitrification of hospital wastes

Suitability Tests of Fly Ashes Vitrification from Sewage Sludge Incineration

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