Journal
BIORESOURCE TECHNOLOGY
Volume 128, Issue -, Pages 818-822Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2012.10.070
Keywords
Acid mine drainage; Sulfate reducing bacteria; Fe-0; Heavy metal
Funding
- National Nature Science Foundation of China [21077075, 20106014]
- Program of Introducing Talents of Discipline to Universities [B06006]
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In order to treat acid mine drainage (AMD) effectively using sulfate-reducing bacteria (SRB) at high concentration of sulfate and heavy metals, Fe was added to enhance the activity of SRB. When AMD was treated by SRB and Fe-0 at 25 degrees C, more than 61% of sulfate was removed and the effluent pH was improved from 2.75 to 6.20 during the operation. Cu2+ was removed effectively with the removal efficiency at 99%, while only 86% of Fe2+ was removed during the AMD treatment, without conspicuous change of Mn2+ in the effluent in the process. (C) 2012 Elsevier Ltd. All rights reserved.
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