African Journal of
Environmental Science and Technology

  • Abbreviation: Afr. J. Environ. Sci. Technol.
  • Language: English
  • ISSN: 1996-0786
  • DOI: 10.5897/AJEST
  • Start Year: 2007
  • Published Articles: 1123

Full Length Research Paper

The absorption and scavenging ability of a bacillus in heavy metal contaminated soils (Pb, Zn and Cr)

TANG Meizhen
  • TANG Meizhen
  • Key Laboratory of NaSiHu Lake Wetland Ecosystem and Environment Protection, Qufu Normal University, Qufu, Shandong, 273165, China.
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CHEN Junfeng*
  • CHEN Junfeng*
  • College of Resource and Environment, Hunan Agricultural University, Changsha, Hunan, 410128, China.
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  •  Received: 26 December 2013
  •  Accepted: 25 July 2014
  •  Published: 31 August 2014

Abstract

A bacterial strain, which was able survive Pb, Zn and Cr -heavy metal compound culture was isolated from the soils of Shanjia Villiage, Qufu City, Shandong Province. An observation of the morphological and biochemical characteristics of the compound and the analysis of 16SrDNA sequence revealed that it was Bacillus. Standing liquid culture was used to study the tolerance of Pb Zn Cr -heavy metals compound and the ability to absorb and clean the heavy metal compound. Further study was made to compare the absorbing ability of Cu, Cd and Hg.

 

Key words: Bacillus, heavy metal, Pb, Zn, Cr.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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