Acid Mine Drainage in a Tropical Environment: A Case Study ...
mine drainage at the Tanjung Enim mine site in south Sumatra; the largest open pit coal mine in Sumatra. ˜ is site lies approximately 165 km from the city of Palembang. PT Bukit Asam (PTBA), a stateowned mining company, operates the mine, at Tanjung Enim. ˜ e mine .