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2013年 第7卷 第4期

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《环境科学与工程前沿（英文）》 >> 2013年 第7卷 第4期 doi: 10.1007/s11783-013-0506-3

Removal of Zn

1. School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China; 2. Nanjing Institute of Environmental Sciences, MEP, Nanjing 210042, China

发布日期： 2013-08-01
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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 .

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