Emerging Technology for Bioremediation of Metals, Volume 2
Bioremediation techniques for treating metals-contaminated soil and water are in an emerging state of development. Unlike organic compounds that can be broken down into harmless compounds such as CO2 and water, metals and their salts generally inhibit biological activity. They must be converted into more complex states, be sorbed, or undergo valence state changes before biodegradation by activated sludge treatment or other complex reactions such as air stripping can occur.
This book introduces various treatment technologies and options for the bioremediation of metals. The chapters, written by researchers and practitioners from North America and Europe, represent the most recent compilation of state-of-the-art techniques and methods for metals biotreatment. These topics and more are addressed:
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PASSIVE BIOREMEDIATION OF METALS
BACTERIAL CHROMATE REDUCTION
MICROBLAL REMOVAL OF HEAVY METALS
COMBINED REMOVAL OF ARSENIC VOCS
RECYCLING OF COPPER FLOTATION TAILINGS
FEASIBILITY OF IN SITU CHEMICAL OXIDATION
INTRASPECIFIC TRANSFER OF ORGANIC XENOBIOTIC
acid acid mine drainage activity aerobic anaerobic anaerobic cell aqueous arsenic Bender bioleaching biological treatment biomass bioreactor bioremediation biotreatment carbon chemical chlordane chromate chromate reduction Clark Atlanta University compounds Constructed Wetlands copper extraction Cr(III Cr(VI culture cyanobacteria degradation drainage effect effluent environment experiments extracellular Fenton's reagent filter flasks flocculating flotation flowrate glass wool groundwater growth growth medium heavy metals hexadecane Hg(II increase incubated influent inoculum laboratory leaching levels LOPOSO medium mercury metal concentrations metal contaminants metal removal methylation mg/L microbial mats microcosms microorganisms nitroxide nutrient organic oxidation oxygen p-CPA pg/L plasmid pond precipitation pulp density reaction reactor redox remediation RL water samples selenium sludge soil soluble solution strain substrate subtilis sulfate reduction sulfate-reducing bacteria sulfide surface Table tailings Technology temperature Thiobacillus ferrooxidans toxic U.S. Environmental Protection UASBR VOCs and SVOCs water column Wildeman