Abstract
This article addresses the issues of estimating economic benefits of ash and slag resource potential in Primorsky Krai on the example of CHPP-2, Vladivostok. The conducted research focused on chemical and ultimate composition of ash and slag waste (ASW) of heat power plants of Primorsky Krai. The research objectives were to determine the commercially valuable components and opportunities for their conversion into saleable products. The resource potential of Vladivostok CHPP-2 landfill was determined. Estimates on economic benefits of ASW conversion process were obtained.
Highlights
The industrial ash and slag waste, which is produced due to coal combustion at heat power plants, represent the only large-capacity waste at these enterprises
As a result of the high levels of coal-based electricity production that reach 38% of the world energy market, there are already 11 bln tonnes of industrial ash and slag waste accumulated at landfills of heat power plants
Research of ASW and development of treatment and processing technologies started at Vladivostok CHPP-2 in the 2000s
Summary
The industrial ash and slag waste, which is produced due to coal combustion at heat power plants, represent the only large-capacity waste at these enterprises. As a result of the high levels of coal-based electricity production that reach 38% of the world energy market, there are already 11 bln tonnes of industrial ash and slag waste accumulated at landfills of heat power plants. This dictates the volumes and rates of accumulation of ASW at landfills of heat power plants.
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