
when it comes to grinding raw coal, savings in specific energy consumption can be achieved with vertical roller mills. specific energy consumption depends on the grindability of the raw coal and the coal meal fineness required. a dynamic separator that ensures high separation efficiency also helps to reduce specific energy use.,is this the end for king coal in britain coal,aug 09, 2020 its annual consumption of coal plunged to the lowest level in 250 years. according to figures released last week, a mere 8 million tonnes were incinerated in uk factories and power plants. that is