China is exploring the use of coal waste as a source for critical metals like germanium, aluminium, lithium, and gallium. This approach leverages existing industrial infrastructure for coal processing and power generation. However, challenges remain due to the variability of coal composition, which affects the consistency of metal content in the resulting fly ash. AI
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RANK_REASON The article discusses a novel research approach for resource recovery from industrial waste. [lever_c_demoted from research: ic=1 ai=0.1]
