• The water that is pumped from the ground as part of the coal seam gas mining process is very salty and contains a range of naturally present chemicals. It may also include heavy metals and radionuclides. • To figure out how much waste salt the coal seam gas industry will produce,...
(22); QLD (37) (2017) NSW (20); QLD (13) (2017) Slowly inclined or near horizontal coal seam Medium and thick coal seams Black coal (48.56%) Brown coal (51.44%) Main mining methods • Conventional mining (Small coal mines) • Longwall mining method (single, top coal caving, ...