The overhaul slag is a dangerous solid waste produced by the aluminum electrolysis process.It not only contains a large amount of soluble fluoride and cyanide,but also contains a large amount of recyclable resources such as lithium and aluminum.How to reduce,harmless and resource-based treatment is an urgent problem needs to be solved in the aluminum industry at present.The source of lithium in aluminum electrolysis overhaul slag was analyzed in detail,and the related technology research and industrial status of lithium salt extraction from overhaul slag were reviewed.It can provide a reference for the disposal and utilization of overhaul slag in aluminum electrolysis process and the comprehensive recovery and utilization of lithium resources,and has reference significance for the green sustainable development of China's aluminum electrolysis industry.
aluminum electrolysis processoverhaul slaglithiumcurrent situationsustainable development
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