SRB协同自燃煤矸石处理煤矿酸性废水试验

针对煤矿酸性废水中金属离子含量高、易造成环境污染等问题，采用自燃煤矸石、NaOH改性自燃煤矸石和SRB协同自燃煤矸石对煤矿酸性废水中SO42-、COD、Fe2+和Mn2+进行动态吸附试验研究。结果表明：3种处理方式对煤矿酸性废水中待测离子的处理效果为：SRB协同自燃煤矸石作用>NaOH改性自燃煤矸石>自燃煤矸石。其中，装有SRB协同自燃煤矸石的3号柱运行稳定后对煤矿酸性废水中SO42-、COD值、Fe2+和Mn2+的平均降低率分别为69.05%、72.06%、99.02%和38.29%。

Experimental Treatment of Acid Mine Drainage by the Synergistic Reaction with SRB and Spontaneous Combustion Coal Gangue

Aimed at the acid mine drainage problems, such as high content of metal ion and environmental pollution. For this phenomenon, we used spontaneous combustion coal gangue, coal gangue which were modiifed by NaOH and spontaneous combustion coal gangue which were synergized by SRB to treat acid mine drainage problems containing SO42-, COD, Fe2+, Mn2+ by experimental study on dynamic adsorption. The results showed that effect of three treatment methods on the removal of ions to be measured in acid mine drainage: spontaneous combustion coal gangue which were synergized by SRB > coal gangue which were modiifed by NaOH > spontaneous combustion coal gangue. Among them, the average reduce rate of SO42-, COD, Fe2+ and Mn2+ in acid mine drainage were 69.05%, 72.06%, 99.02% and 38.29%, after the operation stability of the 3# column of spontaneous combustion coal gangue which were synerized by SRB.