INVESTIGATION OF THE PHOSPHATE IONS ADSORPTION FROM ALUMINATE SOLUTIONS BY Fe-AС NANOCOMPOSITE

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Abstract

The adsorption of phosphate ions from model solutions by a nanocomposite based on trivalent iron oxide-hydroxide and activated carbon (Fe-AС) was studied. Factors studied affecting the adsorption of phosphate ions: solution pH; adsorbent amount; initial concentration of phosphate ions in solution; contact duration. The efficiency of phosphate ion extraction increased with increasing adsorbent dosage (from 2.5 to 10 g/l) with an initial concentration of phosphate ions of 0.1 g/l. Adsorption is well described by the Langmuir and Frendlich isotherms. The results of the work showed that the Fe-AС nanocomposite has a good potential for adsorption of phosphate ions from aluminate solutions, which was confirmed by SEM/EDS analysis.

About the authors

A. A Geydarov

Nagiev Institute of Catalysis and Inorganic Chemistry, Academy of Sciences of Azerbaijan, Baku, Azerbaijan

Email: arif.heyderov.54@mail.ru

P. G Babaeva

Nagiev Institute of Catalysis and Inorganic Chemistry, Academy of Sciences of Azerbaijan, Baku, Azerbaijan

Email: eliz@imet.ac.ru

A. A Gulieva

Nagiev Institute of Catalysis and Inorganic Chemistry, Academy of Sciences of Azerbaijan, Baku, Azerbaijan

Email: eliz@imet.ac.ru

G. I Alyshanly

Nagiev Institute of Catalysis and Inorganic Chemistry, Academy of Sciences of Azerbaijan, Baku, Azerbaijan

Email: eliz@imet.ac.ru

Z. A Dzhabbarova

Nagiev Institute of Catalysis and Inorganic Chemistry, Academy of Sciences of Azerbaijan, Baku, Azerbaijan

Author for correspondence.
Email: eliz@imet.ac.ru

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