Sorption of uranium(VI) from aqueous solutions by akaganeite

Sabriye (Doyurum) Yusan*, Sema Akyil

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: ???type-name???Makalebilirkişi

133 Atıf (Scopus)

Özet

Removal of U(VI) ions from aqueous solutions was investigated using synthetic akaganeite-type nanocrystals. Nanocrystals of iron oxyhydroxides were synthesized with two different methods and then compared their adsorption capacities. Akaganeite (β-FeOOH) was synthesized in the laboratory by precipitation from aqueous solution of Fe(III) chloride and different precipitating agents. The relative importance of test parameters like solution pH, contact time, temperature and concentration of adsorbate on adsorption performance of akaganeite for U(VI) ion were studied. Typical adsorption isotherms (Langmuir, Freundlich, Dubinin-Raduskevich) were determined for the mechanism of sorption process. Also the thermodynamic constants (ΔH°, ΔS° and ΔG°) were calculated. The product materials were examined by powder X-ray diffraction for crystalline phase identification and scanning electron microscope (SEM).

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)388-395
Sayfa sayısı8
DergiJournal of Hazardous Materials
Hacim160
Basın numarası2-3
DOI'lar
Yayın durumuYayınlandı - 30 Ara 2008
Harici olarak yayınlandıEvet

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