Adsorption Characteristics of the Heavy Metals, Cd(II) and Pb(II) Ions, on the Si-immobilized Sargassum horneri

실리카고정 괭생이모자반에 대한 중금속 Cd(II), Pb(II) 이온의 흡착 특성

  • Park, Kwang-Ha (Department of Industrial Chemistry, Kangnung National University) ;
  • Park, Mi-A (Department of Industrial Chemistry, Kangnung National University) ;
  • Kim, Young-Ha (Environmental Science Research Institute, Kangnung National University)
  • 박광하 (강릉대학교 공업화학과) ;
  • 박미아 (강릉대학교 공업화학과) ;
  • 김영하 (강릉대학교 환경과학연구소)
  • Received : 2000.03.31
  • Published : 2000.06.25

Abstract

Si-immobilized Sargassum horneri was used to study the adsorption characteristics along with maximum adsorption conditions of heavy metal ions, Cd(II) and Ph(II) on the Si-immobilized Sargassum horneri. More amount of Cd(II) and Pb(II) ions on the Si-immobilized Sargassum horneri than Sargassum horneri were adsorbed. And Pb(II) ions were more adsorbed in all algae than Cd(II) ions more effectively in alkaline than in acidity. Recovery ratios of Cd(II) and Pb(II) ions on the Sargassum horneri were 58.0-62.6%, 61.2-64.4% respectively, Si-immobilized Sargassum horneri 56.8-92.7%, 37.8-47.9%. Recovery ratio of Cd(II) ion was higher on the Si-immobilized Sargassum horneri but it of Pb(II) ion was lower on the Si-immobilized Sargassum horneri.

Keywords

algae;heavy metal;biosorption;immobilization;Sargassum horneri

Acknowledgement

Supported by : 강릉대학교

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