Heavy metal removal from multicomponent system by sulfate reducing bacteria: Mechanism and cell surface characterization

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• 作者：M. Gopi Kiran^a ; Kannan Pakshirajan^a ; ^b ; ^{pakshi@iitg.ernet.in} ; Gopal Das^a ; ^c
• 关键词：AMD ; acid mine drainage ; APHA ; American Public Health Association ; COD ; chemical oxygen demand ; FESEM-EDX ; field emission scanning electron microscopy equipped with energy dispersive X-ray spectroscopy ; FTIR ; Fourier transforms infrared spectrometer ; g ; gravitational acceleration ; MLVSS ; mixed liquor volatile suspended solids ; SRB ; sulfate reducing bacteria ; TEM-EDS ; transmission electron microscopy with energy dispersive spectroscopy ; ANOVA ; analysis of variance ; EDTA ; ethylene diamine tetraace
• 刊名：Journal of Hazardous Materials
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：324
• 期：part_PA
• 页码：62-70
• 全文大小：1218 K
• 卷排序：324

文摘

Heavy metal bioremoval from mixture using sulfate reducing bacteria was evaluated. Sulfate reduction to sulfide resulted in metal precipitation for removal. More than 95% removal was obtained at low initial concentration combination of the metals. Characterization of the bio-precipitates confirmed metal sulfides formation on the bacteria.