Industrial, Ecological and Resource-Efficient Aspects of Vanadium Production and Use of Technogenic Vanadium Sources

Abstract:

The causes of the global vanadium consumption increase are described and new applications of this metal are given in the article. The main natural sources of vanadium are titanomagnetite, which is a strategic mineral raw material. The current volumes of vanadium extraction from natural raw materials do not match the demand of the market. Therefore there is an urgent need for recycling of secondary and technogenic sources. Partially the basic existing technologies processing vanadium-containing waste are reviewed. The effect of these wastes on the environment and human health is analyzed. The importance of vanadium steel slag recycling for the ecological state of industrial regions, resource-efficiency in expanding the raw material sources of vanadium and reducing the cost of steel production in general is shown. The results of studies on the extraction of vanadium in the form of soluble vanadate of metallurgical vanadium slag using hydrometallurgical processing are demonstrated. The analysis of the received values of the vanadium extraction degree was conducted. The influence of various factors on the completeness of extraction was examined. A significant influence on the vanadium extraction degree of slag chemical composition, the ratio of slag and alkaline additives in the charge, conditions of roasting and leaching was revealed.

• Periodical: Solid State Phenomena (Volume 265)
• Pages: 994-998
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.265.994
• Online since: September 2017
• Authors: Elena S. Makhotkina*, Marianna V. Shubina
• Keywords: Leaching, Resource-Efficient, Roasting, Technogenic Waste, Titanomagnetites, Vanadium, Vanadium Extraction Degree, Vanadium Slag, Vanadium Sources

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