Ferrite is an important functional material with a wide range of applications. Its excellent structural and chemical stabilities also make it a candidate for stabilizing heavy metal-containing wastes. Utilization of metal-rich wastes in ferrite processing, especially those containing heavy metals enables benefits of both waste recycling and heavy-metal stabilization to be achieved. In this paper, we extensively review the types of waste that have been used in such applications, and their roles and final products in ferrite processing. Processing methods for ferrite from waste are compared with those of ferrite from pure chemicals. The properties and applications of waste-derived ferrites are summarized, and the potential for stabilization of heavy metals in ferrite structures is discussed.
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