ENHANCING COMPREHENSIVE UTILIZATION OF ROCK GANGUE FROM COAL PROCESSING TO ACHIEVE SUSTAINABLE DEVELOPMENT

The gangue is a kind of waste rock cast aside during the process of coal mining and processing.It occupies the biggest amount of the industrial solid wastes in China.From the view of comprehensive utilization of resources and the sustainable development of social economy,the gangue is a kind of valuable resource.In this paper,on the basis of the current status of stock gangue utilization,the main problems existing in utilization of gangue are analyzed,then some suggestions on enhancing utilization of the gangue are brought out.