Separation of Mercury Resistant Bacteria from Wastewater of Milk, Detergent and Ceramic Industry

Authors

1 Department of Microbiology, Damghan Branch, Islamic Azad University, P.O. Box 36716- 39998, Damghan, Iran

2 Department of Chemistry, Damghan Branch, Islamic Azad University, P.O. Box 36716-39998, Damghan, Iran

Abstract

Use of microorganisms for removing mercury is an effective technology for the treatment of industrial wastewaters and can become an effective tool for the remediation of man-impacted coastal ecosystems with this metal. In this study, seven types of mercury resistant bacteria were separated from industrial waste and minimum inhibitory concentration (MIC), were determined for these bacteria. Results showed that two strains of bacteria, which isolated from waste water detergent plants, are more resistant to mercury and able to grow at the presence of 52 ppm of mercuric chloride. These bacteria could be used for biological treatment of mercury in contaminated wastewater.

Keywords

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History

  • Receive Date: 28 September 2011
  • Revise Date: 25 October 2021
  • Accept Date: 29 October 2018

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