Abstract
In recent years, the hazardous nature of the environmental hormones (endocrine disturbing chemicals) has been regarded as an environmental serious issue. About 70 chemical matters were known as incredulous kind of environmental hormone by Japanese investigation. It often reminds that some kind of environmental hormone may have possibility of eluting to natural river and sea from disposal/landfill site or sewage treatment plant. In this study, the effective removal of hormone (Bis-phenol A (BPA) and 17β-Estradiol (E2)) was investigated by using amorphous iron hydroxide compound and activated carbon for water treatment. From experimental results it is clear that the pH (of the medium) has a great effect for iron hydroxide compound to adsorb the BPA and E2. In the case of BPA, the adsorption and desorption were alternatively conducted under controlled of pH 9 to pH 11. From pH 3 to pH 9, the adsorption of E2 by iron hydroxide is more effective than that at pH 11. Additionally, it is effective to remove E2 by activated carbon even at lower concentration of E2.
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