Journal of Microbiology and Biotechnology

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Characteristics of Metal Biosorption of Oxidized Undaria pinnatifida

  • PARK, JAE YEON (School of Chemical Engineering, Seoul National University) ;
  • CHOONG CHUN (School of Chemical Engineering, Seoul National University) ;
  • YOUNG JE YOO (School of Chemical Engineering, Seoul National University)
  • Published : 1999.10.01
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Abstract

Undaria pinnatifida oxidized by nitric acid had a high capacity of Cu/sup 2+/ uptake (3.5 mmol Cu/sup 2+/g dry mass) at pH 4 and showed high affinity to Cu/sup 2+/ and Pb/sup 2+/, in a mixed-metal system, compared to Ca/sup 2+/ and Mg/sup 2+/. The IR spectrum showed increase of carboxylic acid on the surface of Undaria pinnatifida, mostly due to the effect of the oxidation reaction.

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