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Removal of Zn

Feng XUE, Beicheng XIA, Rongrong YING, Shili SHEN, Peng ZHAO

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4,   Pages 531-538 doi: 10.1007/s11783-013-0506-3

Abstract: Biosorption of Zn from aqueous solutions by biomass of was investigated. The removal rates of Zn by under different parameters (e.g., solution pH, bio-sorbent dosage and initial Zn concentration) were studied. The inhibition of ’s biosorption by anionic ligands EDTA (Ethylene Diamine Tetraacetic Acid), acetate and citrate) implied that EDTA and citrate might be used as eluting reagents. Regular and simultaneous solution pH change and light metal ions release after biosorption indicated that an ion exchange mechanism was involved. From FT-IR (Fourier Transform Infrared) spectroscopy, the main functional groups participated in biosorption were found. Biosorption of Zn by could be well described by the Freundlich and Langmuir models. In conclusion, the biomass of showed high potential for the treatment of wastewater containing Zn .

Keywords： biosorption     Agaricus bisporus     zinc     ion exchange     FT-IR     isotherms    

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Removal of Zn

Feng XUE, Beicheng XIA, Rongrong YING, Shili SHEN, Peng ZHAO

Journal Article