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Adsorption Properties of Heavy Metal Elements using Zeolite
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.1, pp.96-100
Shim,
S., Park,
J., &
Kim,
T.
(2000). Adsorption Properties of Heavy Metal Elements using Zeolite. Analytical Science and Technology, 13(1), 96-100.
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Abstract
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.
- keywords
- zeolite, adsorption, heavy element
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