The Use of Ferrovanadium Production Sludge Wastes in Claydite Gravel Technology

Abstract:

The paper affirms that, despite the number of works in the sludge neutralization of waste water containing heavy metal compounds, the proportion of their use remains marginal. Therefore, one of the important directions of nature protection activities and the natural resources rational use is developing a technology for processing these wastes and their involvement in the production of useful products. The research of chemical, mineralogical and granulometric composition of wastewater slurry waste neutralization in production of vanadium pentoxide and ferrovanadium alloys by OJSC "EVRAZ Vanadium Tula" has been carried out. It is proposed to use a slurry waste in the claydite gravel production technology. The introduction of 1% sludge makes it is possible to obtain the following characteristics of claydite gravel: strength brand P 25, a packed density mark - 250. The 3% increase of the sludge provides a claydite gravel with the strength brand P 15 with the packed density of 250 kg/m³.

• Periodical: Solid State Phenomena (Volume 265)
• Pages: 501-506
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.265.501
• Online since: September 2017
• Authors: Irina V. Starostina, M.M. Simonov, L.V. Denisova*
• Keywords: Claydite Gravel, Ferrovanadium Production, Iron Oxide, Iron-Containing Concentrate, Lime Plaster Composition, Melt, Swelling Ratio

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