Treatment of Acid Mine Drainage by Sulfate Reducing Bacteria and Iron at Room Temperature
This study describes a new method to treat acid mine wastewater containing high amounts of heavy metals and sulfate by biotechnology.Sulfate reducing Bacteria (SRB) was inoculated in an up-flow multiple bed bioreactor treating practical wastewater.In addition to precipitation processes,water purification was also possible with the metabolism process of microorganisms.Iron dust was added to the system to enhance the activity of SRB and ensure the treatment efficiency.The results indicates that treating acid mining drainage using SRB and iron at room temperature (20℃～25℃) is possible,the reduction rate of sulfate is up to 61％,pH of wastewater raises from 2.75 to 6.2 and the copper concentration of effluent is less than 0.2 mg/L.
acid mine drainage heavy metal sulfate reducing bacteria iron room temperature
Feng Ying Kang Yong Yu Yanfang
School of Mechanical Engineering,Shen yang Institute of Chemical Technology,Shen yang,China School of Chemical Engineering and Technology,Tian jin University,Tian jin,China
国际会议
哈尔滨
英文
1500-1503
2010-07-24（万方平台首次上网日期，不代表论文的发表时间）