TREATMENT METHODS OF ACID MINE DRAINAGE

An Acid Mine Drainage (AMD) is a process that occurs when mining activities expose sulfurcontaining minerals to atmospheric oxygen and moisture. The resulting sulfuric acid, which is a byproduct of the iron-oxidizing bacteria, dissolves heavy metals. The amount of acid mine drainage that’s released depends on the volume and type of contained sulfides that are extracted. The discharge also affects the environment’s ecological systems. The most significant source of acid mine drainage is from the abandoned mines in Romania. Many of the mines were left barren after they were abandoned. On the other hand, biological treatment methods are those that rely on biological activities to perform their intended function. Some of these include the use of enzymes and microorganisms.