![Wet and dry grinding of coal in a laboratoryscale ball ...](/e69yszg/62.jpg)
Wet and dry grinding of coal in a laboratoryscale ball ...
Jan 01, 2020· The solid concentration for the wet grinding was 70 vol %. The experimental procedure for wet grinding and the detailed information regarding the ball mill are described in our previous work . After each drygrinding test with a selected grinding time, the mill .