Removal of Cr3+ Ions by Phytic Acid Derivatives from Rice Bran

Natalia V. Makarenko, Olga D. Arefieva, Anna V. Kovekhova, Liudmila A. Zemnukhova


The process of removing chromium(III) ions from aqueous solutions was investigated with respect to a phosphorus-containing product containing inositol hexaphosphoric acid derivatives obtained from rice bran-rice waste products of Far Eastern breeding varieties. The removal efficiency of chromium(III) ions by phosphorus-containing product depended on their initial concentration and reached 82%. Thus, environmentally friendly polyfunctional chelate materials from rice production wastes could be used to remove metal ions from aqueous solutions.


Rice production wastes; Rice bran; Phytic acid; Removal of Cr(III)

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