RECOVERY PATHWAY FOR COAL GANGUE

Coal gangue is a kind of solid waste produced and discharged in the process of exploitation and dressing,which has a dual property both in waste and in resource.In this paper,the importance and urgency for the coal recovery have been discussed.The main recovery pathways for coal gangues have also been presented.The authors propos that the special resource properties for each kind of the coal gangues should be considered and studied for the choice of recovery pathways.