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Permutite and chitosan are known to be safe compounds that effectively remove metal ions from wastewater. In this study, chitosan coated permutite granules were prepared as a new adsorbent and then optimized and applied to the removal of zinc and copper ions from feed water from a local plant. TG-DTA and SEM analysis illustrated that the modified permutite was not simply a mixture, but a novel adsorbent...
In this dissertation, the ceramic filter media is the new environment-friendly production of red mud, using chitosan as a modifier and the new ceramic filter as the carrier, which were used to modify its surface function, to improve its removal rate of copper ions. By the research of the sorption of the modified ceramic filter media on Cu2+, we have determined the impact of initial concentration,...
This paper is study on the adsorption performance of chitosan for copper ions in conditions of different amounts of chitosan, different times, different temperatures and different pH. The results show that the best adsorption conditions is chitosan concentration of 6.4 ∼ 8.0g/L; adsorption time of 10min; adsorption temperature of 38°C; pH=6. The kinetic equation of chitosan adsorption for copper ion...
To find an effective method for uranium(VI) adsorption, uranium(VI) ion-imprinted chitosan composite magnetic microsphers (U(VI)-ICCMM) were synthesized using uranium(VI) as template, chitosan as functional monomer, epichlorohydrin and glutaraldehyde as crosslinking agents. Magnetic chitosan microsphers (MCM) were synthesized without U(VI) ion-imprinted as control. Experiments were conducted in a...
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