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Cornstalk, a cellulosic agricultural waste material, was loaded with extractant Cyanex272 after chemical modification and was utilized for removing lead ions from aqueous media in this study. The adsorbents were characterized by FTIR spectra in order to confirm that some functional groups were successfully introduced into the surface of cornstalk after chemical modification and Cyanex272 was successfully...
Lawny grass is selected as a novel adsorbent to remove Cd(II) from aqueous solution. Different adsorbents are prepared by some reagents and characterized by elemental analysis, SEM and FTIR. The acidic and basic sites and points of zero charge are also determined. Influences of pH, contact time, initial concentration of Cd(II), biosorbent dosage and temperature on adsorption of Cd(II) are discussed...
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