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CHARACTERIZATION AND APPLICATION OF BIOSORBENTS MODIFIED WITH TIO2 FOR HEAVY METAL IONS REMOVAL

Nena Velinov, Miljana D. Radović, Aleksandra R. Zarubica, Aleksandar Lj. Bojić

DOI Number
10.2298/FUPCT1602079V
First page
79
Last page
87

Abstract


Preparation, characterization and application of materials modified with TiO2 nanoparticle have been reviewed. Chitosan, bacterial biomass and dendrimers were the starting material for modification. Sorbents characterization was performed by scanning electron microscopy (SEM). In order to investigate the sorption capabilities of sorbents, we used them for removal of heavy metal ions from aqueous solution. The effect of contact time on heavy metal ions sorption and maximum sorption capacities of biosorbents are shown. As a very important parameter of the sorption process, the effect of initial pH values on heavy metal removal was examined. This paper indicates that sorption using the material modified with TiO2 is becoming a promising alternative to conventional adsorbents in removing heavy metal ions.


Keywords

sorption, heavy metal ions, modification, TiO2

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References


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DOI: https://doi.org/10.2298/fu%20pct.v14i2.1245

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