水酸化第二鉄沈殿へのFe(2+)イオンの吸着

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書誌事項

タイトル別名
  • Adsorption of Fe(2+) Ion on Ferric Hydroxide Precipitate
  • スイサンカ ダイ2テツ チンデン エ ノ Fe2 + イオン ノ キュウチャク

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説明

The ferric hydroxide precipitate produced from ferrous sulfate solution by air oxidation under the conditions of pH 5.0 and 35 ℃ was a -FeOOH or a mixture of α -FeOOH and amorphous Fe(OH)3. The iep and the pzc of the precipitate which had a specific surface area of 142 ± 4 ㎡/g were pH6.7 and 5.83, respectively. The amount of adsorbed Fe(2+) ion on ferric hydroxide precipitate was proportional to the concentrations of Fe(2+) ion and the ferric hydroxide added in solution. And it was proportional to the 1/4th pewer of the pH of solution and the -1/3th power of the total sulfate concentration in solution.

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