Removal of lead from contaminated water bodies using sea nodule as an adsorbent
作者： S Bhattacharjee , S Chakrabarty , S Maity , S Kar , P Thakur
DOI: 10.1016/S0043-1354(03)00315-4
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摘要: Adsorption of water soluble lead on polymetallic sea nodule has been studied in detail. Complete decontamination is possible by appropriate dosing. also dependent pH and best adsorption achieved at 6. Beyond 6, the desorption from surface practically zero. Residual metal concentrations filtrate after negligible. Both Freundlich Langmuir isotherms may reasonably explain nodule. Chemically bound moisture plays a very crucial role adsorption. Lead adsorptive capability destroyed when calcined temperature 900°C. loading capacity estimated 440 mg per gram The performance as adsorbent successfully tested over six simulated contaminated systems. compares favorably with other adsorbents like activated carbon, ion exchange resin, anionic clay, granulated blast furnace slag natural treated zeolites.
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