PT. Batubara Lahat, located in South Sumatra province, is a company that conducts coal mining using the open pit method. The open pit mining method creates a flow of water that has low pH properties commonly known as acid mine drainage and then becomes one in the lowest area of mining which is commonly called a sump. Acid mine drainage is water produced through oxidation of sulfide minerals in rocks by oxygen in the air in an aqueous environment.
Oleh :
Edy Jamal Tuheteru