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Adsorption Characteristics of the Heavy Metals, Cd(II) and Pb(II) Ions, on the Si-Immobilized Ulva pertusa
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1999, v.12 no.2, pp.116-124
Park,
K., Park,
M., Kim,
Y., &
Choi,
B.
(1999). Adsorption Characteristics of the Heavy Metals, Cd(II) and Pb(II) Ions, on the Si-Immobilized Ulva pertusa. Analytical Science and Technology, 12(2), 116-124.
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Abstract
Adsorption characteristics of heavy metal ions, Cd(II) and Pb(II), on eastcoast-living algae, ulva pertusa, has been studied in our experiment. The Maximum adsorption amount of Cd(II) and Pb(II) ions on 1 g of the ulva pertusa were 2.3 mg, 3.1 mg in alkaline and 2.0 mg, 2.8 mg in acidic solution. However 3.4 mg, 7.3 mg in alkaline and 3.1 mg, 6.5 mg in acidic solution were shown on the Si-immobilized ulva pertusa in the same condition. Thus, Si-immobilized ulva pertusa adsorbs more amount of heavy metals, Cd(II), Pb(II), than the ulva pertusa, and more effective absorbent in alkaline. Furthermore, more amounts of Pb(II) ion were absorbed compare to Cd(II) ion in our work. Recovery ratio of Cd(II) and Pb(II) ions on the ulva pertusa were 55.0~61.0%, 59.7~66.8% respectively and 87.6~97.5%, 83.5~99.3% on the Si-immobilized ulva pertusa.
- keywords
- algae, heavy metal, biosorption, immobilization, ulva pertusa
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