publication . Article . Conference object . Other literature type . 2016

Toxicity effects on metal sequestration by microbially-induced carbonate precipitation.

Ahmed Mugwar; Michael John Harbottle;
Open Access English
  • Published: 01 Aug 2016
  • Publisher: Elsevier
  • Country: United Kingdom
Abstract
AbstractBiological precipitation of metallic contaminants has been explored as a remedial technology for contaminated groundwater systems. However, metal toxicity and availability limit the activity and remedial potential of bacteria. We report the ability of a bacterium, Sporosarcina pasteurii, to remove metals in aerobic aqueous systems through carbonate formation. Its ability to survive and grow in increasingly concentrated aqueous solutions of zinc, cadmium, lead and copper is explored, with and without a metal precipitation mechanism. In the presence of metal ions alone, bacterial growth was inhibited at a range of concentrations depending on the metal. Mic...
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doi: 10.1016/j.jhazmat.2016.04.039
pmid: 27136729
Subjects
free text keywords: TA, Bioprecipitation, Sporosarcina pasteurii, Urea hydrolysis, Heavy metals, Bioremediation, Environmental Engineering, Waste Management and Disposal, Pollution, Health, Toxicology and Mutagenesis, Environmental Chemistry, Cadmium, chemistry.chemical_element, chemistry, PH elevation, Carbonate Ion, Inorganic chemistry, Microbiologically induced calcite precipitation, Calcium carbonate, chemistry.chemical_compound, Metal toxicity, biology.organism_classification, biology, Carbonate
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