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Products / Rear Earth Sulfate

 A mixture of rare earth double sulfates was produced from bastnasite-containing pre-concentrate (low grade concentrate) by sulfuric acid baking, subsequent water leaching and precipitation with sodium sulfate. The results of acid baking and leaching indicated that recoveries of rare earth elements up to 90% were readily obtained and the recovery of hydrofluoric acid as a by-product was also possible. Reasonable decontamination of the rare earth double sulfate salt from impurities such as Th, Fe, Al and Mg was possible by rapid precipitation at 50 °C using 1.25 times the stoichiometric amount of Na2SO4. The total rare earth double sulfate content (TREDS) was > 90% and analysed 17.3% La, 15.6% Ce, 3.2% Nd, 1.1% Pr, 0.3% Sm, 0.03% Eu, 0.01% Yb and 0.02% Y together with about 0.7% Ca, Fe, Al and other impurities.
 
Applications of Rare Earth Sulfates
 
Rare earth-based materials are used in electronic industry, steel industry, household batteries, fluo- rescent lamps, permanent magnets, and lasers for surgical and nuclear technologies.
 
Payment Term:
T/T, Western Union, Paypal, Credit Card, etc.
Shipment Term:
By courier, by air, by sea, as customers request.
Storage conditions:
1) Store in a dry environment at room temperature.
2) Avoid damp and high temperature.
3) Use immediately after opening the inner packing bag.

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