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This is a Experimental Study study.

September 16, 2025SeparationsOpen Access

Investigation on Li Recovery from Greek Coal Fly Ash Under a Circular Economy Framework: An Experimental Study

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Lithium concentrations in coal fly ash ranged from 80 to 256 mg/kg, indicating significant metal enrichment.
Hydrofluoric acid achieved the highest lithium extraction efficiency of up to 79.9% across evaluated samples.
Fourteen coal fly ash samples from various power plants were analyzed using X-ray powder diffraction and mass spectrometry.
This study highlights the potential of coal fly ash as a secondary resource for lithium recovery under a circular economy framework.

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Experimental study shows lithium extraction from coal fly ash, indicating potential for recycling efforts.

Pentari et al. (2025) studied this question.

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