Adsorption Properties of Heavy Metal Elements using Zeolite

제올라이트를 이용한 중금속 원소들의 흡착 특성

  • 심상권 (한국자원연구소 지구환경연구부) ;
  • 박진태 (한국자원연구소 지구환경연구부) ;
  • 김태삼 (한국자원연구소 지구환경연구부)
  • Received : 1999.08.25
  • Published : 2000.02.25


The adsorption of heavy-elements to zeolite has been investigated at various adsorptional condition for purification of waste water. Four heavy elements, Cd, Cr, Cu and Pb, were examined, because they are concerned to the major heavy-element contamination. The adsorption efficiencies are measured at the different conditions such as adsorption times and pHs. The practical adsorption was achived and reaches to maximum within 30 minute by using of 2-g zeolite for 50 mL of heavy-element solution. The overall adsorption efficiencies for Cr and Cu are high and become better at low pH. Cd and Pb have 95% of adsorption ratio and this is lower than other two elements. Cadmium shows an abnormally low adsorption at low pH.


zeolite;adsorption;heavy element


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