Vanadium Pentoxide Flakes for Ferro Vanadium Alloy Production
Vanadium Pentoxide Flakes (V₂O₅) are a key intermediate material in the global vanadium supply chain. They are primarily used to produce ferrovanadium, which is then added to steel to enhance mechanical strength, hardness, and durability. With growing demand for high-performance steels, V₂O₅ has become a strategic raw material in metallurgy and advanced materials industries.
What is Vanadium Pentoxide (V₂O₅)?
Vanadium Pentoxide is an inorganic compound with the chemical formula V₂O₅. It appears as yellow to reddish-brown crystalline flakes and represents the most commercially important oxide form of vanadium. It is widely used as a vanadium source for ferroalloy production, chemical catalysts, pigments, ceramics, and energy storage systems.
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Production Process of Vanadium Pentoxide Flakes
The production of V₂O₅ flakes involves refining vanadium-bearing raw materials such as vanadium slag or ore concentrates. The process is designed to maximize purity and remove unwanted impurities.
- Raw material roasting and oxidation
- Leaching and extraction of vanadium solution
- Purification and impurity removal
- Precipitation of ammonium metavanadate
- Calcination to produce V₂O₅
- Flake formation and classification
This controlled process ensures stable chemical composition and high vanadium recovery efficiency.
Technical Specifications of V₂O₅ Flakes
| Item |
Specification |
| V₂O₅ Content |
≥98.0% |
| Appearance |
Yellow / Orange / Brown Flakes |
| Molecular Formula |
V₂O₅ |
| Melting Point |
~690°C |
| Bulk Density |
1.2-1.8 g/cm³ |
| Packaging |
25kg / 1000kg Jumbo Bag |
Why V₂O₅ is Essential for Ferrovanadium Production
Ferrovanadium is produced by reducing V₂O₅ using aluminothermic or silicon-based reduction processes. This makes vanadium pentoxide the primary feedstock for vanadium alloy production.
- High vanadium recovery efficiency
- Stable smelting performance
- Low impurity transfer
- Consistent alloy quality
- Reduced production cost per unit vanadium
Industrial Applications of Vanadium Pentoxide Flakes
Metallurgical Industry
- Ferrovanadium production
- High-strength steel manufacturing
- Tool steel and spring steel
- Pipeline and structural steel
Chemical Industry
- Sulfuric acid catalysts
- Organic oxidation reactions
- Ceramic and glass additives
- Pigment production
Emerging Applications
- Vanadium redox flow batteries
- Energy storage materials
- Advanced functional materials
V₂O₅ Flakes vs Ferrovanadium
| Property |
V₂O₅ Flakes |
Ferrovanadium |
| Type |
Raw Material |
Finished Alloy |
| Users |
Ferroalloy Producers |
Steel Mills |
| Function |
Vanadium Source |
Steel Alloy Additive |
Procurement Guidelines
When purchasing V₂O₅ flakes, buyers should evaluate the following factors:
- Purity level (≥98%)
- Impurity control (P, S, Si, Na)
- Moisture content
- Particle size consistency
- Supplier quality certification (COA)
- Batch stability
- Export packaging standards
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FAQ - Vanadium Pentoxide Flakes
What is V₂O₅ used for?
V₂O₅ is mainly used to produce ferrovanadium, which is then added to steel to improve strength, hardness, and wear resistance. It is also used in catalysts, ceramics, and battery materials.
Why is V₂O₅ important in steelmaking?
It provides vanadium, which refines grain structure in steel and significantly improves mechanical performance, including tensile strength and fatigue resistance.
What purity is required for ferrovanadium production?
Typically, ≥98% V₂O₅ is required for industrial ferrovanadium production to ensure stable reduction and high vanadium recovery rates.
How is ferrovanadium produced from V₂O₅?
It is produced through aluminothermic or silicon reduction processes, converting V₂O₅ into vanadium alloyed with iron.
What are common impurities in V₂O₅?
Common impurities include phosphorus, sulfur, silicon, sodium, potassium, and moisture. These must be strictly controlled for metallurgical applications.
Can V₂O₅ be used in batteries?
Yes, high-purity V₂O₅ is used in vanadium redox flow batteries and advanced energy storage systems.
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