KSBB Journal

  • 제29권3호
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  • Pages.139-144
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  • 2014
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  • 1225-7117(pISSN)
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  • 2288-8268(eISSN)
한국생물공학회 (The Korean Society for Biotechnology and Bioengineering)
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중금속 내성이 있는 Desulfovibrio desulfuricans를 이용한 해양 환경에서의 Cu(II), Zn(II) 제거

Removal of Cupper(II), Zinc(II) in Marine Environment by Heavy Metal Resistant Desulfovibrio desulfuricans

  • 주정옥 (서강대학교 바이오융합기술) ;
  • 김인화 (서강대학교 화공생명공학과) ;
  • 오병근 (서강대학교 바이오융합기술)
  • Joo, Jeong Ock (Interdisciplinary Program of Intergrated Biotechnologyk Sogang University) ;
  • Kim, In Hwa (Department of Chemical & Biomolecular Engineering, Sogang University) ;
  • Oh, Byung-Keun (Interdisciplinary Program of Intergrated Biotechnologyk Sogang University)
  • 투고 : 2014.05.20
  • 심사 : 2014.06.05
  • 발행 : 2014.06.30
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초록

Microorganisms play a significant role in bioremediation of heavy metal contaminated seawater. In this study, we reported an effective removal of Cu and Zn in marine envionment by using Desulfovibrio desulfuricans (D. desulfuricans) which belong to sulfate reducing bacteria. D. desulfuricans showed stable growth characteristics in high salt concentration and had resistance to heavy metals. Cu and Zn was removed not only by physical adsorption on the surface of bacteria but also by precipitation reaction of microbial metabolism by D. desulfuricans in seawater. In case of different heavy metal concentration, Cu was effectively removed 85% at 25 ppm and 60% at 50 ppm and Zn was effectively removed 54% at 50 ppm and 46% at 200 ppm, respectively.

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참고문헌

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