Adsorbing-particle flotation of Hg2+ by combined use of charcoal, polyacrylamide, and cationic surfactant.
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概要
- 論文の詳細を見る
Adsorbing-particle flotation of Hg<SUP>2+</SUP> ions by using active charcoal as an adsorbent, Polyacrylamide (PAA) as a coagulant, and hexadecyltrimethylammonium chloride (HTAC) as a frother was carried out. The floatability exceeded 90% in a wide range of pH and nearly 98% of Hg<SUP>2+</SUP> ions was floated from 2.1×10<SUP>−4</SUP> mol dm<SUP>−3</SUP> solution by adding 2500 ppm of active charcoal, 24 ppm of PAA, 81 ppm of HTAC and with shaking. Stepwise and double flotations were further attempted which proved to distinctly increase the floatability, while sodium sulfide treatment of active charcoal showed only a slight increase and the coexistence of chloride ions showed no effect. The mechanism of adsorbing-particle flotation was discussed.
- 公益社団法人 日本化学会の論文
著者
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Sasaki Toshiyuki
Department Of Analytical Chemistry Faculty Of Pharmaceutical Sciences Hokuriku University
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Kidokoro Tadahiko
Department Of Chemistry Faculty Of Science Tokai University
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Sasaki Tsunetaka
Department of Chemistry Faculty of Science Tokyo Metropolitan University
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Ishiwata Satoshi
Department of Chemistry, Faculty of Science, Tokai University
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Matsui Kotaro
Department of Chemistry, Faculty of Science, Tokai University
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