As the Na 2 SO 4 dosage increased from 20% to 60%, the leaching efficiency of Li 2 O continuously improved, while the leaching efficiencies of Rb 2 O and Cs 2 O showed a decreasing trend, especially when the Na 2 SO 4 dosage exceeded 40%.
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Systematic Optimization of Complex Salt Roasting and Leaching Conditions for Efficient Extraction of Lithium, Rubidium and Cesium from Lepidolite.
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