Solvent extraction is widely employed in a variety of industries for both the upgrading and purification of a range of elements and chemicals. The technology is used in applications as diverse as ore processing, pharmaceuticals, agriculture, industrial chemicals, petrochemicals, food industry, purification of base metals and refining of precious metals. This review deals with the basics of solvent extraction technique and discusses in detail its applications in several fields focusing on ore processing and recovery of important metals from economic and industrial point of view.

中文翻译：

---

溶剂萃取及其在金属矿石加工和回收中的应用：经典方法

溶剂萃取广泛用于各种行业中，用于升级和纯化各种元素和化学物质。该技术用于各种应用，例如矿石加工，制药，农业，工业化学品，石化，食品工业，贱金属纯化和贵金属精炼。本文概述了溶剂萃取技术的基础，并从经济和工业角度详细讨论了其在矿石加工和重要金属回收领域的应用。