Removal and recovery of metals from a coal pile runoff

The removal and recovery of heavy metals from a coal pile runoff water using a mixture of multiple metal-tolerant bacterial strains of ATCC 55673, and ATCC 55674 and a Pseudomonas sp. was investigated. The analysis of elemental composition of metal precipitates recovered from the bacterial biomass b...

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Bibliographic Details
Published in:Environmental monitoring and assessment 2003-05, Vol.84 (1-2), p.35-44
Main Authors: Ibeanusi, Victor M, Phinney, Donna, Thompson, Michelle
Format: Article
Language:English
Subjects:
Bacteria
Biodegradation, Environmental
Biomass
Chemical Precipitation
Coal
Electron microscopy
Environmental monitoring
Heavy metals
Metals
Metals, Heavy - isolation & purification
Microbiology
Microscopy, Electron
Monitoring
Precipitates
Precipitation
Pseudomonas
Pseudomonas - physiology
Recovery
Runoff
Waste water
Wastewater
Water Pollutants - isolation & purification
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Summary:The removal and recovery of heavy metals from a coal pile runoff water using a mixture of multiple metal-tolerant bacterial strains of ATCC 55673, and ATCC 55674 and a Pseudomonas sp. was investigated. The analysis of elemental composition of metal precipitates recovered from the bacterial biomass by transmission electron microscopy andenergy dispersive X-ray analysis revealed the presence of metals originally present in the wastewater. In addition, analysis of metals in culture supernatant and bacterial biomass by inductively coupled plasma emission spectroscopy (ICP-ES) indicated a removal range of 82-100% and a recovery of 15-58% of metals from the wastewater and bacterial biomass, respectively.
ISSN:0167-6369
1573-2959
DOI:10.1023/A:1022822710687