2016
DOI: 10.1179/1743285515y.0000000019
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Understanding ferrovanadium smelting through computational thermodynamics modelling

Abstract: Ferrovanadium is essential for the production of many alloy steels. It is made by the aluminothermic reduction of vanadium oxides, together with scrap steel and burnt lime as a flux at very high temperatures. In this work, the theory of aluminothermic reduction is discussed, and then a computational thermodynamics model is described and its input parameters are discussed and justified. The model predicted very satisfactorily the composition of both the ferrovanadium and waste slag from a heat at the Windimurra… Show more

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Cited by 21 publications
(6 citation statements)
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“…Vanadium is mainly used as an alloying additive in steel to promote the formation of a finer grain size, increased hardenability, and improved wear resistance through the precipitation of its carbides and nitrides [19,20]. By far the largest application of vanadium is as a potent microalloying strengthener in high strength low alloy (HSLA) steels (0.05 to 0.15% V).…”
Section: Inclusions In Fev Alloysmentioning
confidence: 99%
“…Vanadium is mainly used as an alloying additive in steel to promote the formation of a finer grain size, increased hardenability, and improved wear resistance through the precipitation of its carbides and nitrides [19,20]. By far the largest application of vanadium is as a potent microalloying strengthener in high strength low alloy (HSLA) steels (0.05 to 0.15% V).…”
Section: Inclusions In Fev Alloysmentioning
confidence: 99%
“…The addition of vanadium to metal is primarily done in the form of ferrovanadium [2,6]. Vanadium-containing alloys are less commonly used.…”
Section: Introductionmentioning
confidence: 99%
“…The main raw materials to produce ferrovanadium are vanadium oxides [6,7,8]. Vanadium reduction from oxides can be achieved using carbon, silicon, and aluminum.…”
Section: Introductionmentioning
confidence: 99%
“…[ 3,4 ] Presently, a technological process for the production of vanadium pentoxide from vanadium slag (VS) includes sodium roasting–water leaching or calcium roasting–acid leaching process to get the V‐containing leaching liquor. [ 5–9 ] The leaching liquor is recovered by the ammonium precipitation method to collect ammonium polyvanadate precipitate (APP), then APP is calcined to obtain vanadium pentoxide. [ 10 ] The long product routing of intermediate vanadium pentoxide caused high energy consumption and hazardous leaching liquor waste containing highly toxic V 5+ and Cr 6+ ions, leading to failure in meeting the discharge standards and the environmental pollution problem.…”
Section: Introductionmentioning
confidence: 99%