Analytical Science and Technology (분석과학)

The Korean Society of Analytical Sciences (한국분석과학회)
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A Study on the Adsorption Kinetics of the Heavy Metals, Cd(II) and Pb(II) Ions by the Uiva Pertusa and Hizakia Fusiformis

구멍갈파래 및 톳에 대한 Cd(II), Pb(II) 이온의 흡착속도에 관한 연구

  • Park, Kwang-Ha (Department of Industrial Chemistry, Kangnung National University) ;
  • Park, Mi-A (Department of Industrial Chemistry, Kangnung National University) ;
  • Kim, Ki-Hong (Department of Industrial Chemistry, Kangnung National University) ;
  • Kim, Young-Ha (Environmental Science Research Institute, Kangnung National University)
  • 박광하 (강릉대학교 공업화학과) ;
  • 박미아 (강릉대학교 공업화학과) ;
  • 김기홍 (강릉대학교 공업화학과) ;
  • 김영하 (강릉대학교 환경과학연구소)
  • Received : 1999.01.12
  • Published : 1999.10.25
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Abstract

In this research, a study of adsorption kinetics of heavy metal ions on the Ulva pertusa and Hizakia fusiformis which is aiming at removing metal ions from water or every kind has been carried out. During the process of this research. Adsorption kinetics of Cd(II) and Pb(II) ions by the Ulva pertusa and Hizakia fusiformis, within five minutes reached at the maximum adsorption amount. The adsorption amoum by Ulva pertusa was more than the other. Adsorption ratio by Ulva pertusa were 15.0~100% of Cd(II) and 39.2~82.5% of Pb(II). Adsorption ratio by the Hizakia fusiformis were 18.3~100% of Cd(II) and 56.4~94.7% of Pb(II). Additionally, recovery ratio or Cd(II) from the Ulva pertusa presents 75.0~83.6% and that of Pb(II) ions presents 79.1~85.5%. Also, recovery ratio of Cd(II) from Hizakia fusiformis fusiformis were 66.7~85.0% of Cd(II) ions and 77.6~83.9% of Pb(II) ions respectively. As a result of this research. adsorption amount of Cd(II) and Pb(II) ions by Ulva pertusa was more than it by Hizakia fusiformis.

본 연구에서는 각종 수중 중금속을 제거할 목적으로 구멍갈파래와 톳에 대한 중금속이온의 흡착속도에 관한 연구를 수행하였다. 실험결과 구멍갈파래와 톳에 대한 Cd(II) 및 Pb(II) 이온의 흡착속도는 5분이내로 최대흡착량에 도달하였으며 구멍갈파래에 대한 흡착량이 더 많았다. 구멍갈파래에 대한 흡착율은 pH에 따라 Cd(II) 이온이 15.0~100%, Pb(II) 이온이 39.2~82.5%로 나타났다. 톳은 Cd(II) 이온이 18.3~100%, Pb(II) 이온이 56.4~94.7%로 나타났다. 한편 구멍갈파래에 대한 회수율은 pH에 따라 Cd(II) 이온이 75.0~83.6%, Pb(II) 이온이 79.1~85.5%로 나타났으며, 톳은 Cd(II) 이온이 66.7~85.0%, Pb(II) 이온이 77.6~83.9로 나타났다. 구멍갈파래에 대한 Cd(II) 및 Pb(II) 이온의 흡착량이 톳보다 더 많았다.

Keywords

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