Complex use of ash and slag waste

Abstract

In the article an overview of the main direction of complex use ash and slag waste from coal-fired stations was provided. The composition of ash waste, methods of isolation of valuable components and the key areas of their further using were noted. The results of the analysis of residual carbon, nitrogen and mineral part of ash and slag from the Kirov and Moscow ash dumps of Kazanskaya heat and power station - 2 were shown and perspective directions their utilization were determined.

Keywords

• ash and slag waste
• utilization
• multiple use
• rare and non-ferrous metals
• zeolites
• mineral fertilizers