What is the price of V2o5 Metal Vanadium Pentoxide Flake per kg? Vanadium pentoxide( Flake V2O5>=98%) Price, USD/mt
| Today's summary of vanadium pentoxide (vanadium flake) prices in China //Vanadium pentoxide 98% V2O5 min, exw China, yuan/tonne |
| Unit: 10,000 RMB/ton |
| product |
Brand |
Transaction price |
rise and fall |
Mainstream pricing |
rise and fall |
Origin |
Remark |
| Vanadium pentoxide (flake form) |
98% |
7.85 |
-- |
7.85 |
-- |
-- |
Acceptance includes tax, major manufacturers |
| 98% |
7.7 |
-- |
7.7 |
-- |
-- |
Cash (including tax), from a major manufacturer |
| 98% |
7.7 |
↓0.025 |
7.7-7.75 |
↓0.075 |
Sichuan, Henan, Liaoning |
Cash (including tax), retail investors |
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Q: What is V₂O₅ vanadium pentoxide flake?
A: V₂O₅ vanadium pentoxide flake is a solid, plate‑like form of vanadium(V) oxide, widely used as an intermediate in producing ferrovanadium, catalysts, and vanadium chemicals.
Q: Vanadium pentoxide flake definition and key characteristics?
A: It is a bright orange‑yellow crystalline flake of V₂O₅, known for high melting point, insolubility in water, and strong oxidizing properties.
Q: Difference between V₂O₅ flake and V₂O₅ powder or granules?
A: Flake has larger, plate‑like particles; powder is finely ground; granules are rounded; form affects handling, dissolution rate, and processing.
Q: Chemical formula and molecular structure of vanadium pentoxide flake?
A: Formula V₂O₅; layered orthorhombic crystal structure with vanadium in +5 oxidation state.
Q: Primary components of V₂O₅ flake – typical purity levels?
A: Typically 98–99.5% V₂O₅; main impurities are Na, Si, Fe, P, derived from ore and processing.
Q: Physical properties of V₂O₅ flake – color, density, melting point?
A: Orange‑yellow color, density ~3.35 g/cm³, melting point ~690 °C (decomposes to V₂O₄ and O₂ above this).
Q: Chemical properties of V₂O₅ flake – solubility in water and acids?
A: Insoluble in water; soluble in strong acids (forming vanadyl salts) and bases (forming vanadates).
Q: Reactivity of V₂O₅ flake with reducing agents like hydrogen or carbon?
A: Reduced by H₂ or C to lower oxides (VO₂, V₂O₃) or metallic vanadium, basis for ferrovanadium production.
Q: Hygroscopicity and stability of V₂O₅ flake in air?
A: Not significantly hygroscopic but can absorb moisture over time; stable in dry air, though surface may slowly hydrate.
Q: Particle size and thickness characteristics of V₂O₅ flakes?
A: Thickness typically tens to hundreds of microns; lateral size ranges from mm down to sub‑mm, depending on crystallization.
Q: How is V₂O₅ vanadium pentoxide flake produced?
A: Produced by roasting vanadium‑bearing ore or slag to oxidize V to V₂O₅, then leaching and crystallizing into flakes.
Q: Manufacturing process of V₂O₅ flake from vanadium ore or slag?
A: Ore/slag → roast in air → leach V₂O₅ into solution → purify → crystallize and dry into flakes.
Q: Key steps in V₂O₅ flake production – roasting, leaching, crystallization?
A: Roasting oxidizes vanadium; leaching dissolves V₂O₅; crystallization grows flakes; drying yields final product.
Q: Raw materials for V₂O₅ flake production – vanadium‑bearing shale or magnetite?
A: Vanadium‑rich shale, magnetite ores, petroleum residues, and steelmaking slag containing vanadium.
Q: Equipment used in V₂O₅ flake manufacturing – rotary kilns, crystallizers?
A: Rotary kilns for roasting, agitated tanks for leaching, crystallizers or evaporative pans for flake formation.
Q: Challenges in producing high‑purity V₂O₅ flakes – impurity removal?
A: Removing Fe, Si, P, Na requires multiple purification stages; achieving consistent flake size and shape also challenging.
Q: What are the applications of V₂O₅ flake in ferrovanadium production?
A: Used as the primary feedstock; reduced with aluminum or silicon in aluminothermic processes to produce ferrovanadium for steel and alloy strengthening.
Q: What is the use of V₂O₅ flake in vanadium redox flow batteries (VRFB)?
A: Dissolved to form vanadium electrolyte solutions (V⁵⁺/V⁴⁺) for the positive side, enabling energy storage and release in renewable power systems.
Q: What is the role of V₂O₅ flake in catalyst manufacturing for sulfuric acid production?
A: Acts as a catalyst in the Contact Process, converting SO₂ to SO₃ efficiently at high temperatures.
Q: How is V₂O₅ flake used in the glass and ceramics industry as colorant or decolorizer?
A: Imparts yellow to brown tint in glass; can neutralize green color from iron impurities, acting as a decolorizer.
Q: What is the use of V₂O₅ flake for pigment production – yellow or orange dyes?
A: Provides vivid yellow to orange pigments for paints, plastics, and coatings due to its intense coloration.
Q: How is V₂O₅ flake used in chemical synthesis as an oxidizing agent?
A: Strong oxidizer for organic and inorganic reactions, facilitating controlled oxidation of substrates.
Q: What are the international standards for V₂O₅ flake – ASTM, ISO?
A: Covered under ASTM D2909 and ISO 6232 specifying chemical composition and quality for industrial use.
Q: What is the Chinese national standard for V₂O₅ flake – GB?
A: GB/T 3284 specifies grades, chemical composition, and test methods for vanadium pentoxide flakes in China.
Q: What are the purity grades of V₂O₅ flake – 98%, 99%, 99.5% typical specifications?
A: Common grades: 98% (technical), 99% (chemical), 99.5% (high purity for catalysts and batteries).
Q: What are the impurity limits in V₂O₅ flake – sodium, potassium, iron?
A: Typical limits: Na ≤ 0.1%, K ≤ 0.05%, Fe ≤ 0.05% for high‑purity grades; higher in technical grade.
Q: What are the testing methods for V₂O₅ flake purity and composition – titration, XRD?
A: Wet chemical titration, XRF, ICP-OES for elemental analysis; XRD to verify crystalline phase purity.
Q: What is the V₂O₅ vanadium pentoxide flake price per ton today – market trend?
A: Prices vary with vanadium ore and battery demand; recent range ~$8–15/kg, trending upward with renewable energy storage growth.
Q: What is the global V₂O₅ flake market size and growth forecast?
A: Multi‑billion USD market expanding with battery and steel demand; forecast CAGR ~6–8%.
Q: What are the major V₂O₅ flake producing countries – China, Russia, South Africa?
A: China, Russia, and South Africa dominate global production from vanadium‑bearing ores and slag.
Q: What factors influence V₂O₅ flake price – vanadium ore supply, battery demand?
A: Ore availability, VRFB deployment, steel industry activity, and geopolitical factors drive price fluctuations.
Q: What is the impact of renewable energy storage on V₂O₅ flake demand?
A: Rapid growth in VRFB installations for grid storage significantly boosts demand for high‑purity V₂O₅ flakes.
Q: How should V₂O₅ flake be handled safely – health hazards and protective measures?
A: Avoid inhalation and skin contact; wear respirator, gloves, goggles; handle in well‑ventilated area as it is toxic and an irritant.
Q: What are the storage conditions for V₂O₅ flake – moisture and contamination prevention?
A: Store in sealed, dry containers away from moisture and reactive chemicals to prevent caking and unwanted reactions.
Q: What are the packaging requirements for V₂O₅ flake – sealed bags or drums?
A: Packed in moisture‑proof, sealed polyethylene or polypropylene bags inside steel drums or fiber drums for bulk shipments.
Q: What are the transportation regulations for V₂O₅ flake – hazardous material classification?
A: Classified as hazardous (oxidizer, toxic); transport per UN/IMDG/IATA rules with proper labeling and packaging.
Q: What are spill response procedures for V₂O₅ flake – accidental release?
A: Isolate area, avoid dust generation, sweep up spilled material, collect in labeled containers, clean with damp cloth, dispose as hazardous waste.
Q: How to dissolve V₂O₅ flake in acidic solutions for processing?
A: Stir into strong acids (e.g., sulfuric or nitric acid) at elevated temperature; oxidation state may change, forming soluble vanadyl species.
Q: What is the optimal dosage of V₂O₅ flake in ferrovanadium smelting?
A: Calculated based on target V content and FeV grade; stoichiometry of reduction reaction determines exact amount for efficient conversion.
Q: What is the effect of V₂O₅ flake particle size on reaction efficiency?
A: Smaller flakes or finer particles increase surface area, speeding reduction reaction and improving yield in smelting or leaching.
Q: What is the compatibility of V₂O₅ flake with other chemicals in catalysts?
A: Compatible with promoters like potassium sulfate; must avoid strong reducers unless intended for reduction processes.
Q: What are common issues when using V₂O₅ flakes and troubleshooting?
A: Clumping, incomplete dissolution, low reaction yield; solve by adjusting particle size, temperature, acidity, and mixing.
Q: What is the environmental impact of V₂O₅ flake production – waste generation?
A: Generates acidic wastewater, solid residues, and off‑gas; requires neutralization, filtration, and safe disposal.
Q: What are emission control measures in V₂O₅ flake manufacturing?
A: Use scrubbers, dust collectors, and gas absorption systems to capture particulates and acidic gases.
Q: How can V₂O₅ flake be recycled from spent catalysts or batteries?
A: Recover by leaching with acid or alkali, purification, and recrystallization to produce reusable V₂O₅ flakes.
Q: What are sustainable practices in the V₂O₅ flake industry – reducing carbon footprint?
A: Use renewable energy, recycle process streams, minimize waste, and adopt closed‑loop water and emission systems.
Q: What is the difference between V₂O₅ flake and V₂O₅ powder in reactivity and handling?
A: Powder has higher surface area and faster reactivity but is dustier and harder to handle safely; flake is easier to store and dose.
Q: How does V₂O₅ flake compare with V₂O₅ granules in catalyst applications?
A: Flake offers larger, stable particles for fixed‑bed catalysts; granules provide better flowability and packing in some processes.
Q: What are the advantages of V₂O₅ flake over other forms for ferrovanadium production?
A: Easier charging, controlled reaction rate, less dust hazard, and consistent composition improve process safety and yield.
