Studies of the adsorbing particle flotation of Fe3+ and Cu2+.
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概要
- 論文の詳細を見る
The adsorbing particle flotation of Fe<SUP>2+</SUP> or Fe<SUP>3+</SUP> and Cu<SUP>2+</SUP> ions was studied by the combined use of bentonite (Bt) and a cationic surfactant, benzylhexadecyldimethylammonium chloride (BHDAC). Fe<SUP>3+</SUP> ions were effectively floated from an aqueous solution by the use of Bt and cationic surfactant in a manner similar to the flotation by the use of sodium silicate and cationic surfactant. Most Fe<SUP>2+</SUP> ions were found to be floated as Fe<SUP>3+</SUP> ions, when the pH was increased by the addition of sodium hydroxide. The maximum floatability of 98% was obtained for Fe<SUP>3+</SUP> under optimum conditions. The pH corresponding to the beginning of flotation of Fe<SUP>3+</SUP> was influenced by the manner in which the pH of the solution was controlled. Cu<SUP>2+</SUP> ions could also be floated, but less effectively than Fe<SUP>3+</SUP> ions. Selective flotation of Fe<SUP>3+</SUP> from the mixed solution of Fe<SUP>3+</SUP> and Cu<SUP>2+</SUP> was attempted and effectively achieved.
- 公益社団法人 日本化学会の論文
著者
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Kobayashi Koichi
Department Of Anesthesiology And Resuscitology Shinshu University School Of Medicine
-
Sasaki Tsunetaka
Department of Chemistry Faculty of Science Tokyo Metropolitan University
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Natori Kenichi
Department of Chemistry, Faculty of Science, Tokyo Metropolitan University
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Kamaya Masamizu
Department of Chemistry, Faculty of Science, Tokyo Metropolitan University
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