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Fumihiko Ogata,Erimi Ueta,Naohito Kawasaki 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.59 No.-
In the present study, we prepared a newly adsorbent, Iron–Magnesium-type hydrotalcite (FHT), at different molar ratios (FHT3.0; Mg2+/Fe3+ = 3.0 and FHT5.0; Mg2+/Fe3+ = 5.0) for removing heavy metal ions. Characteristics of FHT and arsenite (As(III)) and hexavalent chromium (Cr(VI)) adsorption capability onto that were evaluated. Amount adsorbed of As(III) and Cr(VI) increased with raising temperatures. Amount adsorbed of heavy metal ions onto FHT in the single liquid phase was smaller than that in the mixed liquid phase, which suggests that the amount adsorbed was affected by the adsorbent properties, interlayer space, and solution pH.