低品位炭の利用について

抄録

Coal industry of our country is carrying out many rationalization programs with which stabilize demcnls for coal competing with other energy sources.
The coal consumption has a tendency of depending mainly upon iron manufacture and electric power generation, and inferior coal is expected to increase the demand and we must promote to expand inferior coal utilization for electric power generation at the coal field.
To cope with the situation, following methods are considered and we try to reckon the producible amount of the inferior coal with these methods in our country.
1. Reorganization coal preparation systems in order to be able to yield more inferior coal
2. Recovering suspending fine coal in waste water from the preparation plants
3. Rewashing middlings of waste piles