[ WHY BUY FROM US ]

[ MEETING HIGH-QUALITY STANDARDS FOR VANADIUM CHLORIDES ]

The production of the Stratcor^® high-purity vanadium oxide takes place at Strategic Minerals' Hot Springs, Arkansas plant. Starting with whichever cost-effective feedstocks are available - ores, residues, ashes, or spent catalysts - the plant uses four production operations to remove impurities and contaminants, as shown in the following diagram:

Producing High-Purity Vanadium Oxide at ISO-9001:2000
Facilities in Hot Springs, Arkansas

The process starts when the raw materials are leached to form a water-soluble vanadium compound and unwanted solids are removed. The solution is then fed into a liquid-liquid ion-exchange circuit where vanadium is separated from other metallic impurities.

The resulting high-purity vanadium liquor is further purified in a growth-type crystallizer. The process slowly grows large ammonium-metavanadate crystals, minimizing surface impurities as well as crystal inclusions. For customers ordering ammonium metavanadate, the product is now ready to be dried and shipped.

Final purification of vanadium pentoxide takes place in a calciner that drives off ammonia and any low-melting-point contaminants still present. Only the highest-purity vanadium pentoxide is sold to chemical customers or used at Hot Springs in vanadium-chloride production.

For more information contact: Stratcor, Inc.

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