The essentials of solvent extraction of metals, historical outline of the development of this area of knowledge and main contemporary applications and future trends have been presented. The types of metal extractants have been described and a review of commercially available extractive reagents is presented. Research works carried Out at present at the Institute of Non-Ferrous Metals in Gliwice related to practical aspects of solvent extraction of metals and the equipment used in investigations are described. The results of experiments with extractive recovery of Cd, Zn and Co from the solutions obtained after leaching industrial raw materials have been presented. The possibility of automatic control of the extraction processes has been confirmed in practice.
展开▼
