Extraction Kinetics of Lanthanum with Purified Cyanex 923 from Nitrate Medium

Tong-hui、Hui Hui、Li、De-qian、Wang、Yi-ge、Lei、Jiaheng

2003Acta Scientiarum Naturalium Universitatis SunyatseniEngineering被引 1

摘要

Solvent extraction kinetics of lanthanum with purified Cyanex 923 in heptane from nitrate medium was investigated by using a constant interfacial cell with laminar flow at 303 K. The effects of stirring speed, temperature and specific interface on the extraction rate were studied. The experimental results showed that the extraction apparent activawas controlled by both chemical reaction and diffusion. The extraction rates were measured at different chemical compositions by varying ionic strength, pH value and the concentration of purified Cyanex 923. The initial extraction rate equation was obtained.

引用本文（GB/T 7714）

Tong-hui, Hui Hui, Li, 等. Extraction Kinetics of Lanthanum with Purified Cyanex 923 from Nitrate Medium[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2003.

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