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合理的なMA回収工程の構築に向けた溶媒抽出/低圧損抽出クロマトグラフィを組み合わせたハイブリッド型プロセスの開発,3; 高TBP濃度条件を対象とした顕微分光法による抽出・逆抽出速度評価

Hybrid process combining solvent extraction and low pressure loss extraction chromatography for a reasonable MA recovery, 3; Kinetic analysis of extraction/back extraction at high concentration of TBP by microspectroscopy

草野 祐香*; 宮川 晃尚*; 長友 重紀*; 中谷 清治*; 佐野 雄一   

Kusano, Yuka*; Miyagawa, Akihisa*; Nagatomo, Shigenori*; Nakatani, Kiyoharu*; Sano, Yuichi

TBP濃度,硝酸濃度,硝酸イオン濃度等をパラメータとした顕微分光測定より得られたFP(Ln)の抽出・逆抽出速度(物質移動係数)を紹介する。各濃度が物質移動係数に及ぼす影響に関する評価・考察結果を報告する。

We measured the concentration dependencies of TBP, nitric acid, and nitrate ion for extraction and back extraction rates of FP (Ln) in a single microdroplet/solution system by fluorescence microspectroscopy technique, and determined mass transfer coefficients at the oil/water interfaces. The mass transfer coefficients, influenced significantly by those concentrations, will be discussed in detail.

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