Study on the synergistic preparation of mineral potassium silicate fertilizer by hydrothermal leaching of illite under the "Calcification-Potassium alkali" system.

Illite, a prevalent clay mineral found in hydrated bauxite ore, decreases the aluminum-to-silicon ratio (Al < 7) while inducing competitive crystallization between sodium and potassium during the leaching process, thereby reducing the leaching effici…

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