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J.Health Sci., 52(4), 455-458, 2006
Efficiency of Rice Bran for the Removal of Fe3+ from Solution
Atsuko Adachi,* Kanako Morita,
and Toshio Okano
Department of Hygienic Sciences, Kobe Pharmaceutical University, 4-chome, Motoyamakita-machi, Higashinada-ku, Kobe 658-8558, Japan
Rice bran was found to adsorb Fe3+ effectively over the range of pH 1-12. Therefore rice bran is applicable for uses in the food industry over a wide pH range. Fe3+ was successfully removed from water samples with an average removal efficiency of 88.5% after 90 min when rice bran was added to water samples containing 5 mg/l Fe3+. The removal of Fe3+ by rice bran was attributed to the chelating properties of phytic acid. Here, we report a fundamental study on the efficiency of rice bran for the removal of Fe3+ using a batch system on a laboratory scale and describe the elucidation of the mechanism of Fe3+ removal by rice bran.
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